DataGridViewImageColumn Classe

Definição

Espaço de Nomes:: System.Windows.Forms

Assemblagem:: System.Windows.Forms.dll

Importante

Algumas informações dizem respeito a um produto pré-lançado que pode ser substancialmente modificado antes de ser lançado. A Microsoft não faz garantias, de forma expressa ou implícita, em relação à informação aqui apresentada.

Aloja uma coleção de DataGridViewImageCell objetos.

public ref class DataGridViewImageColumn : System::Windows::Forms::DataGridViewColumn

[System.Drawing.ToolboxBitmap(typeof(System.Windows.Forms.DataGridViewImageColumn), "DataGridViewImageColumn.bmp")]
public class DataGridViewImageColumn : System.Windows.Forms.DataGridViewColumn

[<System.Drawing.ToolboxBitmap(typeof(System.Windows.Forms.DataGridViewImageColumn), "DataGridViewImageColumn.bmp")>]
type DataGridViewImageColumn = class
    inherit DataGridViewColumn

Public Class DataGridViewImageColumn
Inherits DataGridViewColumn

Herança: Object

DataGridViewElement

DataGridViewBand

DataGridViewColumn
DataGridViewImageColumn

Atributos: ToolboxBitmapAttribute

Exemplos

O exemplo de código seguinte demonstra como usar imagens para criar um jogo de TicTacToe.

#using <System.Drawing.dll>
#using <System.dll>
#using <system.windows.forms.dll>

using namespace System::IO;
using namespace System::Windows::Forms;
using namespace System::Drawing;
using namespace System;
public ref class TicTacToe: public System::Windows::Forms::Form
{
public:
   TicTacToe()
      : Form()
   {
      oBytes = gcnew array<Byte>{
        0x42, 0x4D, 0xC6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x76, 
        0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0xB, 0x0, 0x0, 0x0, 0xA,
        0x0, 0x0, 0x0, 0x1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50,
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10,
        0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
        0x0, 0x80, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 
        0x80, 0x0, 0x0, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x80, 0x0, 
        0x0, 0xC0, 0xC0, 0xC0, 0x0, 0x80, 0x80, 0x80, 0x0, 0x0, 0x0,
        0xFF, 0x0, 0x0, 0xFF, 0x0, 0x0, 0x0, 0xFF, 0xFF, 0x0, 0xFF, 
        0x0, 0x0, 0x0, 0xFF, 0x0, 0xFF, 0x0, 0xFF, 0xFF, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0x0, 0xFF, 0xFF, 0x0, 0xF, 0xFF, 0xF0, 
        0x0, 0x0, 0xFF, 0x0, 0xFF, 0xF0, 0xF, 0xF0, 0x0, 0x0, 0xF0, 
        0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xF0, 0xFF, 0xFF, 
        0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xF, 0xFF, 0xFF, 0xFF, 0xFF, 
        0x0, 0x0, 0x0, 0xF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0, 0x0, 0x0, 
        0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xF0, 0xFF, 
        0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xFF, 0x0, 0xFF, 0xF0, 
        0xF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0x0, 0xF, 0xFF, 0xF0, 0x0, 
        0x0};
      xBytes = gcnew array<Byte>{
        0x42, 0x4D, 0xC6, 0x0, 0x0, 0x0, 0x0, 
        0x0, 0x0, 0x0, 0x76, 0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 
        0xB, 0x0, 0x0, 0x0, 0xA, 0x0, 0x0, 0x0, 0x1, 0x0, 0x4, 0x0, 
        0x0, 0x0, 0x0, 0x0, 0x50, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
        0x0, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x80, 
        0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 0x80, 0x0, 0x0, 0x0, 0x80, 
        0x0, 0x80, 0x0, 0x80, 0x80, 0x0, 0x0, 0xC0, 0xC0, 0xC0, 0x0,
        0x80, 0x80, 0x80, 0x0, 0x0, 0x0, 0xFF, 0x0, 0x0, 0xFF, 0x0, 
        0x0, 0x0, 0xFF, 0xFF, 0x0, 0xFF, 0x0, 0x0, 0x0, 0xFF, 0x0, 
        0xFF, 0x0, 0xFF, 0xFF, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0x0, 
        0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xFF, 0xF, 
        0xFF, 0xFF, 0xF, 0xF0, 0x0, 0x0, 0xFF, 0xF0, 0xFF, 0xF0, 
        0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xF, 0xF, 0xFF, 0xF0, 0x0,
        0x0, 0xFF, 0xFF, 0xF, 0xF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF,
        0xF, 0xF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xF0, 0xFF, 0xF0, 
        0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xF, 0xFF, 0xFF, 0xF, 0xF0, 0x0,
        0x0, 0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0};
      blankBytes = gcnew array<Byte>{
        0x42, 0x4D, 0xC6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x76, 
        0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0xB, 0x0, 0x0, 0x0, 0xA,
        0x0, 0x0, 0x0, 0x1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50,
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10,
        0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
        0x0, 0x80, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 
        0x80, 0x0, 0x0, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x80, 0x0, 
        0x0, 0xC0, 0xC0, 0xC0, 0x0, 0x80, 0x80, 0x80, 0x0, 0x0, 0x0,
        0xFF, 0x0, 0x0, 0xFF, 0x0, 0x0, 0x0, 0xFF, 0xFF, 0x0, 0xFF, 
        0x0, 0x0, 0x0, 0xFF, 0x0, 0xFF, 0x0, 0xFF, 0xFF, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 
        0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 
        0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 
        0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 
        0xFF, 0xF0, 0x0, 0x0};
      blank = gcnew Bitmap( gcnew MemoryStream( blankBytes ) );
      x = gcnew Bitmap( gcnew MemoryStream( xBytes ) );
      o = gcnew Bitmap( gcnew MemoryStream( oBytes ) );
      this->AutoSize = true;
      turn = gcnew Label;
      Button1 = gcnew Button;
      Button2 = gcnew Button;
      Button3 = gcnew Button;
      Button4 = gcnew Button;
      Button5 = gcnew Button;
      Panel1 = gcnew FlowLayoutPanel;
      SetupButtons();
      InitializeDataGridView( nullptr, nullptr );

      xString = L"X's turn";
      oString = L"O's turn";
      gameOverString = L"Game Over";
      bitmapPadding = 6;
   }


private:
   DataGridView^ dataGridView1;
   Button^ Button1;
   Label^ turn;
   Button^ Button2;
   Button^ Button3;
   Button^ Button4;
   Button^ Button5;
   FlowLayoutPanel^ Panel1;

#pragma region S " bitmaps " 
   array<Byte>^oBytes;
   array<Byte>^xBytes;
   array<Byte>^blankBytes;

#pragma endregion 
   Bitmap^ blank;
   Bitmap^ x;
   Bitmap^ o;
   String^ xString;
   String^ oString;
   String^ gameOverString;
   int bitmapPadding;
   void InitializeDataGridView( Object^ ignored, EventArgs^ e )
   {
      this->Panel1->SuspendLayout();
      this->SuspendLayout();
      ConfigureForm();
      SizeGrid();
      CreateColumns();
      CreateRows();
      this->Panel1->ResumeLayout( false );
      this->ResumeLayout( false );
   }

   void ConfigureForm()
   {
      AutoSize = true;
      turn->Size = System::Drawing::Size( 75, 34 );
      turn->TextAlign = ContentAlignment::MiddleLeft;
      Panel1->Location = System::Drawing::Point( 0, 8 );
      Panel1->Size = System::Drawing::Size( 120, 196 );
      Panel1->FlowDirection = FlowDirection::TopDown;
      ClientSize = System::Drawing::Size( 355, 200 );
      Controls->Add( this->Panel1 );
      Text = L"TicTacToe";
      dataGridView1 = gcnew System::Windows::Forms::DataGridView;
      dataGridView1->Location = Point(120,0);
      dataGridView1->AllowUserToAddRows = false;
      dataGridView1->CellClick += gcnew DataGridViewCellEventHandler( this, &TicTacToe::dataGridView1_CellClick );
      dataGridView1->CellMouseEnter += gcnew DataGridViewCellEventHandler( this, &TicTacToe::dataGridView1_CellMouseEnter );
      dataGridView1->CellMouseLeave += gcnew DataGridViewCellEventHandler( this, &TicTacToe::dataGridView1_CellMouseLeave );
      Controls->Add( dataGridView1 );
      turn->Text = xString;
      turn->AutoSize = true;
   }

   void SetupButtons()
   {
      Button1->AutoSize = true;
      SetupButton( Button1, L"Restart", gcnew EventHandler( this, &TicTacToe::Reset ) );
      Panel1->Controls->Add( turn );
      SetupButton( Button2, L"Increase Cell Size", gcnew EventHandler( this, &TicTacToe::MakeCellsLarger ) );
      SetupButton( Button3, L"Stretch Images", gcnew EventHandler( this, &TicTacToe::Stretch ) );
      SetupButton( Button4, L"Zoom Images", gcnew EventHandler( this, &TicTacToe::ZoomToImage ) );
      SetupButton( Button5, L"Normal Images", gcnew EventHandler( this, &TicTacToe::NormalImage ) );
   }

   void SetupButton( Button^ button, String^ buttonLabel, EventHandler^ handler )
   {
      Panel1->Controls->Add( button );
      button->Text = buttonLabel;
      button->AutoSize = true;
      button->Click += handler;
   }


   void CreateColumns()
   {
      DataGridViewImageColumn^ imageColumn;
      int columnCount = 0;
      do
      {
         Bitmap^ unMarked = blank;
         imageColumn = gcnew DataGridViewImageColumn;
         
         //Add twice the padding for the left and 
         //right sides of the cell.
         imageColumn->Width = x->Width + 2 * bitmapPadding + 1;
         imageColumn->Image = unMarked;
         dataGridView1->Columns->Add( imageColumn );
         columnCount = columnCount + 1;
      }
      while ( columnCount < 3 );
   }


   void CreateRows()
   {
      dataGridView1->Rows->Add();
      dataGridView1->Rows->Add();
      dataGridView1->Rows->Add();
   }


   void SizeGrid()
   {
      dataGridView1->ColumnHeadersVisible = false;
      dataGridView1->RowHeadersVisible = false;
      dataGridView1->AllowUserToResizeColumns = false;
      dataGridView1->AllowUserToResizeRows = false;
      dataGridView1->BorderStyle = BorderStyle::None;
      
      //Add twice the padding for the top of the cell 
      //and the bottom.
      dataGridView1->RowTemplate->Height = x->Height + 2 * bitmapPadding + 1;
      dataGridView1->AutoSize = true;
   }


   void Reset( Object^ sender, System::EventArgs^ e )
   {
      dataGridView1->~DataGridView();
      InitializeDataGridView( nullptr, nullptr );
   }


   void dataGridView1_CellClick( Object^ sender, DataGridViewCellEventArgs^ e )
   {
      if ( turn->Equals( gameOverString ) )
      {
         return;
      }

      DataGridViewImageCell^ cell = dynamic_cast<DataGridViewImageCell^>(dataGridView1->Rows[ e->RowIndex ]->Cells[ e->ColumnIndex ]);
      if ( cell->Value == blank )
      {
         if ( IsOsTurn() )
         {
            cell->Value = o;
         }
         else
         {
            cell->Value = x;
         }

         ToggleTurn();
      }

      if ( IsAWin( cell ) )
      {
         turn->Text = gameOverString;
      }
   }


   void dataGridView1_CellMouseEnter( Object^ sender, DataGridViewCellEventArgs^ e )
   {
      Bitmap^ markingUnderMouse = dynamic_cast<Bitmap^>(dataGridView1->Rows[ e->RowIndex ]->Cells[ e->ColumnIndex ]->Value);
      if ( markingUnderMouse == blank )
      {
         dataGridView1->Cursor = Cursors::Default;
      }
      else
      if ( markingUnderMouse == o || markingUnderMouse == x )
      {
         dataGridView1->Cursor = Cursors::No;
         ToolTip(e,true);
      }
   }

   void ToolTip( DataGridViewCellEventArgs^ e, bool showTip )
   {
      DataGridViewImageCell^ cell = dynamic_cast<DataGridViewImageCell^>(dataGridView1->Rows[ e->RowIndex ]->Cells[ e->ColumnIndex ]);
      DataGridViewImageColumn^ imageColumn = dynamic_cast<DataGridViewImageColumn^>(dataGridView1->Columns[ cell->ColumnIndex ]);
      if ( showTip )
            cell->ToolTipText = imageColumn->Description;
      else
      {
         cell->ToolTipText = String::Empty;
      }
   }

   void dataGridView1_CellMouseLeave( Object^ sender, DataGridViewCellEventArgs^ e )
   {
      ToolTip( e, false );
      dataGridView1->Cursor = Cursors::Default;
   }


   void Stretch( Object^ sender, EventArgs^ e )
   {
      System::Collections::IEnumerator^ myEnum = dataGridView1->Columns->GetEnumerator();
      while ( myEnum->MoveNext() )
      {
         DataGridViewImageColumn^ column = safe_cast<DataGridViewImageColumn^>(myEnum->Current);
         column->ImageLayout = DataGridViewImageCellLayout::Stretch;
         column->Description = L"Stretched";
      }
   }

   void ZoomToImage( Object^ sender, EventArgs^ e )
   {
      System::Collections::IEnumerator^ myEnum1 = dataGridView1->Columns->GetEnumerator();
      while ( myEnum1->MoveNext() )
      {
         DataGridViewImageColumn^ column = safe_cast<DataGridViewImageColumn^>(myEnum1->Current);
         column->ImageLayout = DataGridViewImageCellLayout::Zoom;
         column->Description = L"Zoomed";
      }
   }

   void NormalImage( Object^ sender, EventArgs^ e )
   {
      System::Collections::IEnumerator^ myEnum2 = dataGridView1->Columns->GetEnumerator();
      while ( myEnum2->MoveNext() )
      {
         DataGridViewImageColumn^ column = safe_cast<DataGridViewImageColumn^>(myEnum2->Current);
         column->ImageLayout = DataGridViewImageCellLayout::Normal;
         column->Description = L"Normal";
      }
   }


   void MakeCellsLarger( Object^ sender, EventArgs^ e )
   {
      System::Collections::IEnumerator^ myEnum3 = dataGridView1->Columns->GetEnumerator();
      while ( myEnum3->MoveNext() )
      {
         DataGridViewImageColumn^ column = safe_cast<DataGridViewImageColumn^>(myEnum3->Current);
         column->Width = column->Width * 2;
      }

      System::Collections::IEnumerable^ temp = safe_cast<System::Collections::IEnumerable^>(dataGridView1->Rows);
      System::Collections::IEnumerator^ myEnum4 = temp->GetEnumerator();

      //System::Collections::IEnumerator^ myEnum4 = dataGridView1->Rows->GetEnumerator();
      while ( myEnum4->MoveNext() )
      {
         DataGridViewRow^ row = safe_cast<DataGridViewRow^>(myEnum4->Current);
         if ( row->IsNewRow )
                  break;
         row->Height = (int)(row->Height * 1.5);
      }
   }

   bool IsAWin( DataGridViewCell^ cell )
   {
      if ( ARowIsSame() || AColumnIsSame() || ADiagonalIsSame() )
            return true;
      else
            return false;
   }

   bool ARowIsSame()
   {
      Bitmap^ marking = nullptr;
      System::Collections::IEnumerable^ temp = safe_cast<System::Collections::IEnumerable^>(dataGridView1->Rows);
      System::Collections::IEnumerator^ myEnum5 = temp->GetEnumerator();
      //System::Collections::IEnumerator^ myEnum5 = dataGridView1->Rows->GetEnumerator();
      while ( myEnum5->MoveNext() )
      {
         DataGridViewRow^ row = safe_cast<DataGridViewRow^>(myEnum5->Current);
         if ( row->IsNewRow )
                  break;

         marking = dynamic_cast<Bitmap^>(row->Cells[ 0 ]->Value);
         if ( marking != blank )
         {
            if ( marking == row->Cells[ 1 ]->Value && marking == row->Cells[ 2 ]->Value )
                        return true;
         }
      }

      return false;
   }

   bool AColumnIsSame()
   {
      int columnIndex = 0;
      Bitmap^ marking;
      do
      {
         marking = dynamic_cast<Bitmap^>(dataGridView1->Rows[ 0 ]->Cells[ columnIndex ]->Value);
         if ( marking != blank )
         {
            if ( marking == dynamic_cast<Bitmap^>(dataGridView1->Rows[ 1 ]->Cells[ columnIndex ]->Value) && marking == dynamic_cast<Bitmap^>(dataGridView1->Rows[ 2 ]->Cells[ columnIndex ]->Value) )
                        return true;
         }

         columnIndex = columnIndex + 1;
      }
      while ( columnIndex < dataGridView1->Columns->GetColumnCount( DataGridViewElementStates::Visible ) );

      return false;
   }

   bool ADiagonalIsSame()
   {
      if ( LeftToRightDiagonalIsSame() )
      {
         return true;
      }

      if ( RightToLeftDiagonalIsSame() )
      {
         return true;
      }

      return false;
   }

   bool LeftToRightDiagonalIsSame()
   {
      return IsDiagonalSame( 0, 2 );
   }

   bool RightToLeftDiagonalIsSame()
   {
      return IsDiagonalSame( 2, 0 );
   }

   bool IsDiagonalSame( int startingColumn, int lastColumn )
   {
      Bitmap^ marking = dynamic_cast<Bitmap^>(dataGridView1->Rows[ 0 ]->Cells[ startingColumn ]->Value);
      if ( marking == blank )
            return false;

      if ( marking == dataGridView1->Rows[ 1 ]->Cells[ 1 ]->Value && marking == dataGridView1->Rows[ 2 ]->Cells[ lastColumn ]->Value )
            return true;

      return false;
   }

   void ToggleTurn()
   {
      if ( turn->Text->Equals( xString ) )
      {
         turn->Text = oString;
      }
      else
      {
         turn->Text = xString;
      }
   }

   bool IsOsTurn()
   {
      if ( turn->Text->Equals( oString ) )
            return true;

      return false;
   }


public:

   [STAThread]
   static void Main()
   {
      Application::Run( gcnew TicTacToe );
   }

};

int main()
{
   TicTacToe::Main();
}

using System.IO;
using System.Windows.Forms;
using System.Drawing;
using System;

public class TicTacToe : System.Windows.Forms.Form
{
    public TicTacToe()
    {
        blank = new Bitmap(new MemoryStream(blankImage));
        x = new Bitmap(new MemoryStream(xImage));
        o = new Bitmap(new MemoryStream(oImage));

        this.AutoSize = true;
        SetupButtons();
        InitializeDataGridView(null, null);
    }

    private DataGridView dataGridView1;
    private Button Button1 = new Button();
    private Label turn = new Label();
    private Button Button2 = new Button();
    private Button Button3 = new Button();
    private Button Button4 = new Button();
    private Button Button5 = new Button();
    private FlowLayoutPanel Panel1 = new FlowLayoutPanel();

    #region "bitmaps"
    private byte[] oImage = new byte[] {
        0x42, 0x4D, 0xC6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x76, 
        0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0xB, 0x0, 0x0, 0x0, 0xA,
        0x0, 0x0, 0x0, 0x1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50,
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10,
        0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
        0x0, 0x80, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 
        0x80, 0x0, 0x0, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x80, 0x0, 
        0x0, 0xC0, 0xC0, 0xC0, 0x0, 0x80, 0x80, 0x80, 0x0, 0x0, 0x0,
        0xFF, 0x0, 0x0, 0xFF, 0x0, 0x0, 0x0, 0xFF, 0xFF, 0x0, 0xFF, 
        0x0, 0x0, 0x0, 0xFF, 0x0, 0xFF, 0x0, 0xFF, 0xFF, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0x0, 0xFF, 0xFF, 0x0, 0xF, 0xFF, 0xF0, 
        0x0, 0x0, 0xFF, 0x0, 0xFF, 0xF0, 0xF, 0xF0, 0x0, 0x0, 0xF0, 
        0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xF0, 0xFF, 0xFF, 
        0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xF, 0xFF, 0xFF, 0xFF, 0xFF, 
        0x0, 0x0, 0x0, 0xF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0, 0x0, 0x0, 
        0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xF0, 0xFF, 
        0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xFF, 0x0, 0xFF, 0xF0, 
        0xF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0x0, 0xF, 0xFF, 0xF0, 0x0, 
        0x0};

    private byte[] xImage = new byte[]{
        0x42, 0x4D, 0xC6, 0x0, 0x0, 0x0, 0x0, 
        0x0, 0x0, 0x0, 0x76, 0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 
        0xB, 0x0, 0x0, 0x0, 0xA, 0x0, 0x0, 0x0, 0x1, 0x0, 0x4, 0x0, 
        0x0, 0x0, 0x0, 0x0, 0x50, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
        0x0, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x80, 
        0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 0x80, 0x0, 0x0, 0x0, 0x80, 
        0x0, 0x80, 0x0, 0x80, 0x80, 0x0, 0x0, 0xC0, 0xC0, 0xC0, 0x0,
        0x80, 0x80, 0x80, 0x0, 0x0, 0x0, 0xFF, 0x0, 0x0, 0xFF, 0x0, 
        0x0, 0x0, 0xFF, 0xFF, 0x0, 0xFF, 0x0, 0x0, 0x0, 0xFF, 0x0, 
        0xFF, 0x0, 0xFF, 0xFF, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0x0, 
        0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xFF, 0xF, 
        0xFF, 0xFF, 0xF, 0xF0, 0x0, 0x0, 0xFF, 0xF0, 0xFF, 0xF0, 
        0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xF, 0xF, 0xFF, 0xF0, 0x0,
        0x0, 0xFF, 0xFF, 0xF, 0xF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF,
        0xF, 0xF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xF0, 0xFF, 0xF0, 
        0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xF, 0xFF, 0xFF, 0xF, 0xF0, 0x0,
        0x0, 0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0x0, 0x0, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0};

    private byte[] blankImage = new byte[] {
        0x42, 0x4D, 0xC6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x76, 
        0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0xB, 0x0, 0x0, 0x0, 0xA,
        0x0, 0x0, 0x0, 0x1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50,
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10,
        0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
        0x0, 0x80, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 
        0x80, 0x0, 0x0, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x80, 0x0, 
        0x0, 0xC0, 0xC0, 0xC0, 0x0, 0x80, 0x80, 0x80, 0x0, 0x0, 0x0,
        0xFF, 0x0, 0x0, 0xFF, 0x0, 0x0, 0x0, 0xFF, 0xFF, 0x0, 0xFF, 
        0x0, 0x0, 0x0, 0xFF, 0x0, 0xFF, 0x0, 0xFF, 0xFF, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 
        0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 
        0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 
        0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xF0, 0x0, 0x0, 0xFF, 0xFF, 0xFF, 0xFF, 
        0xFF, 0xF0, 0x0, 0x0};
    #endregion

    private Bitmap blank;
    private Bitmap x;
    private Bitmap o;
    private string xString = "X's turn";
    private string oString = "O's turn";
    private string gameOverString = "Game Over";
    private int bitmapPadding = 6;

    private void InitializeDataGridView(object sender,
        EventArgs e)
    {
        this.Panel1.SuspendLayout();
        this.SuspendLayout();

        ConfigureForm();
        SizeGrid();
        CreateColumns();
        CreateRows();

        this.Panel1.ResumeLayout(false);
        this.ResumeLayout(false);
    }

    private void ConfigureForm()
    {
        AutoSize = true;
        turn.Size = new System.Drawing.Size(75, 34);
        turn.TextAlign = ContentAlignment.MiddleLeft;
        turn.Text = xString;

        Panel1.Location = new System.Drawing.Point(0, 8);
        Panel1.Size = new System.Drawing.Size(120, 196);
        Panel1.FlowDirection = FlowDirection.TopDown;

        ClientSize = new System.Drawing.Size(355, 200);
        Controls.Add(this.Panel1);
        Text = "TicTacToe";

        dataGridView1 = new System.Windows.Forms.DataGridView();
        dataGridView1.Location = new Point(120, 0);
        dataGridView1.AllowUserToAddRows = false;
        dataGridView1.CellClick += new
            DataGridViewCellEventHandler(dataGridView1_CellClick);
        dataGridView1.CellMouseEnter += new
            DataGridViewCellEventHandler(dataGridView1_CellMouseEnter);
        dataGridView1.CellMouseLeave += new
            DataGridViewCellEventHandler(dataGridView1_CellMouseLeave);

        Controls.Add(dataGridView1);
    }

    private void SetupButtons()
    {
        Button1.AutoSize = true;
        SetupButton(Button1, "Restart", new EventHandler(Reset));
        Panel1.Controls.Add(turn);
        SetupButton(Button2, "Increase Cell Size", new EventHandler(MakeCellsLarger));
        SetupButton(Button3, "Stretch Images", new EventHandler(Stretch));
        SetupButton(Button4, "Zoom Images", new EventHandler(ZoomToImage));
        SetupButton(Button5, "Normal Images", new EventHandler(NormalImage));
    }

    private void SetupButton(Button button, string buttonLabel, EventHandler handler)
    {
        Panel1.Controls.Add(button);
        button.Text = buttonLabel;
        button.AutoSize = true;
        button.Click += handler;
    }

    private void CreateColumns()
    {
        DataGridViewImageColumn imageColumn;
        int columnCount = 0;
        do
        {
            Bitmap unMarked = blank;
            imageColumn = new DataGridViewImageColumn();

            //Add twice the padding for the left and 
            //right sides of the cell.
            imageColumn.Width = x.Width + 2 * bitmapPadding + 1;

            imageColumn.Image = unMarked;
            dataGridView1.Columns.Add(imageColumn);
            columnCount = columnCount + 1;
        }
        while (columnCount < 3);
    }

    private void CreateRows()
    {
        dataGridView1.Rows.Add();
        dataGridView1.Rows.Add();
        dataGridView1.Rows.Add();
    }

    private void SizeGrid()
    {
        dataGridView1.ColumnHeadersVisible = false;
        dataGridView1.RowHeadersVisible = false;
        dataGridView1.AllowUserToResizeColumns = false;;
        dataGridView1.AllowUserToResizeRows = false;
        dataGridView1.BorderStyle = BorderStyle.None;

        //Add twice the padding for the top of the cell 
        //and the bottom.
        dataGridView1.RowTemplate.Height = x.Height +
            2 * bitmapPadding + 1;

        dataGridView1.AutoSize = true;
    }

    private void Reset(object sender, System.EventArgs e)
    {
        dataGridView1.Dispose();
        InitializeDataGridView(null, null);
    }

    private void dataGridView1_CellClick(object sender,
        DataGridViewCellEventArgs e)
    {

        if (turn.Text.Equals(gameOverString)) { return; }

        DataGridViewImageCell cell = (DataGridViewImageCell)
            dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];

        if (cell.Value == blank)
        {
            if (IsOsTurn())
            {
                cell.Value = o;
            }
            else
            {
                cell.Value = x;
            }
            ToggleTurn();
        }
        if (IsAWin())
        {
            turn.Text = gameOverString;
        }
    }

    private void dataGridView1_CellMouseEnter(object sender,
        DataGridViewCellEventArgs e)
    {
        Bitmap markingUnderMouse = (Bitmap)dataGridView1.
               Rows[e.RowIndex].
               Cells[e.ColumnIndex].Value;

        if (markingUnderMouse == blank)
        {
            dataGridView1.Cursor = Cursors.Default;
        }
        else if (markingUnderMouse == o || markingUnderMouse == x)
        {
            dataGridView1.Cursor = Cursors.No;
            ToolTip(e, true);
        }
    }

    private void ToolTip(DataGridViewCellEventArgs e, bool showTip)
    {
        DataGridViewImageCell cell = (DataGridViewImageCell)
            dataGridView1
            .Rows[e.RowIndex].Cells[e.ColumnIndex];
        DataGridViewImageColumn imageColumn =
            (DataGridViewImageColumn)
            dataGridView1.Columns[cell.ColumnIndex];

        if (showTip)
        {
            cell.ToolTipText = imageColumn.Description;
        }
        else { cell.ToolTipText = String.Empty; }
    }

    private void dataGridView1_CellMouseLeave(object sender,
        DataGridViewCellEventArgs e)
    {
        ToolTip(e, false);
        dataGridView1.Cursor = Cursors.Default;
    }

    private void Stretch(object sender, EventArgs e)
    {
        foreach (DataGridViewImageColumn column in
            dataGridView1.Columns)
        {
            column.ImageLayout = DataGridViewImageCellLayout.Stretch;
            column.Description = "Stretched";
        }
    }

    private void ZoomToImage(object sender, EventArgs e)
    {

        foreach (DataGridViewImageColumn column in
            dataGridView1.Columns)
        {
            column.ImageLayout = DataGridViewImageCellLayout.Zoom;
            column.Description = "Zoomed";
        }
    }

    private void NormalImage(object sender, EventArgs e)
    {

        foreach (DataGridViewImageColumn column in
            dataGridView1.Columns)
        {
            column.ImageLayout = DataGridViewImageCellLayout.Normal;
            column.Description = "Normal";
        }
    }

    private void MakeCellsLarger(object sender, EventArgs e)
    {
        foreach (DataGridViewImageColumn column in
            dataGridView1.Columns)
        {
            column.Width = column.Width * 2;
        }
        foreach (DataGridViewRow row in dataGridView1.Rows)
        {
            if (row.IsNewRow) break;
            row.Height = (int)(row.Height * 1.5);
        }
    }

    private bool IsAWin()
    {
        if (ARowIsSame() || AColumnIsSame() || ADiagonalIsSame())
            return true;
        else return false;
    }

    private bool ARowIsSame()
    {
        Bitmap marking = null;

        foreach (DataGridViewRow row in dataGridView1.Rows)
        {
            if (row.IsNewRow) break;
            marking = (Bitmap)row.Cells[0].Value;
            if (marking != blank)
            {
                if (marking == row.Cells[1].Value &&
                    marking == row.Cells[2].Value) return true;
            }
        }
        return false;
    }

    private bool AColumnIsSame()
    {
        int columnIndex = 0;
        Bitmap marking;
        do
        {
            marking = (Bitmap)
                dataGridView1.Rows[0].Cells[columnIndex].Value;
            if (marking != blank)
            {
                if (marking == (Bitmap)dataGridView1.Rows[1]
                    .Cells[columnIndex].Value
                    && marking == (Bitmap)dataGridView1.Rows[2].
                    Cells[columnIndex].Value) return true;
            }
            columnIndex = columnIndex + 1;
        }
        while (columnIndex < dataGridView1.Columns.GetColumnCount(
            DataGridViewElementStates.Visible));
        return false;
    }

    private bool ADiagonalIsSame()
    {
        if (LeftToRightDiagonalIsSame()) { return true; }
        if (RightToLeftDiagonalIsSame()) { return true; }
        return false;
    }

    private bool LeftToRightDiagonalIsSame()
    {
        return IsDiagonalSame(0, 2);
    }

    private bool RightToLeftDiagonalIsSame()
    {
        return IsDiagonalSame(2, 0);
    }

    private bool IsDiagonalSame(int startingColumn, int lastColumn)
    {
        Bitmap marking = (Bitmap)dataGridView1.Rows[0]
            .Cells[startingColumn].Value;

        if (marking == blank) return false;
        if (marking == dataGridView1.Rows[1].Cells[1]
            .Value && marking == dataGridView1.Rows[2]
            .Cells[lastColumn].Value) return true;

        return false;
    }

    private void ToggleTurn()
    {
        if (turn.Text.Equals(xString)) { turn.Text = oString; }
        else { turn.Text = xString; }
    }

    private bool IsOsTurn()
    {
        if (turn.Text.Equals(oString)) return true;
        return false;
    }

    [STAThread]
    public static void Main()
    {
        Application.Run(new TicTacToe());
    }
}

Imports System.IO
Imports System.Windows.Forms
Imports System.Drawing
Public Class TicTacToe
    Inherits System.Windows.Forms.Form

    Friend WithEvents dataGridView1 As DataGridView
    Friend WithEvents Button1 As Button = New Button()
    Friend WithEvents turn As Label = New Label()
    Friend WithEvents Button2 As Button = New Button()
    Friend WithEvents Button3 As Button = New Button()
    Friend WithEvents Button4 As Button = New Button()
    Friend WithEvents Button5 As Button = New Button()
    Friend WithEvents Panel1 As FlowLayoutPanel = New FlowLayoutPanel()

#Region "bitmaps"
    Private oImage As Byte() = { _
        &H42, &H4D, &HC6, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H76, &H0, &H0, &H0, &H28, &H0, _
        &H0, &H0, &HB, &H0, &H0, &H0, &HA, &H0, _
        &H0, &H0, &H1, &H0, &H4, &H0, &H0, &H0, _
        &H0, &H0, &H50, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H0, &H0, &H0, &H0, &H10, &H0, _
        &H0, &H0, &H10, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H0, &H0, &H80, &H0, &H0, &H80, _
        &H0, &H0, &H0, &H80, &H80, &H0, &H80, &H0, _
        &H0, &H0, &H80, &H0, &H80, &H0, &H80, &H80, _
        &H0, &H0, &HC0, &HC0, &HC0, &H0, &H80, &H80, _
        &H80, &H0, &H0, &H0, &HFF, &H0, &H0, &HFF, _
        &H0, &H0, &H0, &HFF, &HFF, &H0, &HFF, &H0, _
        &H0, &H0, &HFF, &H0, &HFF, &H0, &HFF, &HFF, _
        &H0, &H0, &HFF, &HFF, &HFF, &H0, &HFF, &HFF, _
        &H0, &HF, &HFF, &HF0, &H0, &H0, &HFF, &H0, _
        &HFF, &HF0, &HF, &HF0, &H0, &H0, &HF0, &HFF, _
        &HFF, &HFF, &HF0, &HF0, &H0, &H0, &HF0, &HFF, _
        &HFF, &HFF, &HF0, &HF0, &H0, &H0, &HF, &HFF, _
        &HFF, &HFF, &HFF, &H0, &H0, &H0, &HF, &HFF, _
        &HFF, &HFF, &HFF, &H0, &H0, &H0, &HF0, &HFF, _
        &HFF, &HFF, &HF0, &HF0, &H0, &H0, &HF0, &HFF, _
        &HFF, &HFF, &HF0, &HF0, &H0, &H0, &HFF, &H0, _
        &HFF, &HF0, &HF, &HF0, &H0, &H0, &HFF, &HFF, _
        &H0, &HF, &HFF, &HF0, &H0, &H0}

    Private xImage As Byte() = { _
        &H42, &H4D, &HC6, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H76, &H0, &H0, &H0, &H28, &H0, _
        &H0, &H0, &HB, &H0, &H0, &H0, &HA, &H0, _
        &H0, &H0, &H1, &H0, &H4, &H0, &H0, &H0, _
        &H0, &H0, &H50, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H0, &H0, &H0, &H0, &H10, &H0, _
        &H0, &H0, &H10, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H0, &H0, &H80, &H0, &H0, &H80, _
        &H0, &H0, &H0, &H80, &H80, &H0, &H80, &H0, _
        &H0, &H0, &H80, &H0, &H80, &H0, &H80, &H80, _
        &H0, &H0, &HC0, &HC0, &HC0, &H0, &H80, &H80, _
        &H80, &H0, &H0, &H0, &HFF, &H0, &H0, &HFF, _
        &H0, &H0, &H0, &HFF, &HFF, &H0, &HFF, &H0, _
        &H0, &H0, &HFF, &H0, &HFF, &H0, &HFF, &HFF, _
        &H0, &H0, &HFF, &HFF, &HFF, &H0, &HF0, &HFF, _
        &HFF, &HFF, &HF0, &HF0, &H0, &H0, &HFF, &HF, _
        &HFF, &HFF, &HF, &HF0, &H0, &H0, &HFF, &HF0, _
        &HFF, &HF0, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HF, &HF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HF, &HF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HF, &HF, &HFF, &HF0, &H0, &H0, &HFF, &HF0, _
        &HFF, &HF0, &HFF, &HF0, &H0, &H0, &HFF, &HF, _
        &HFF, &HFF, &HF, &HF0, &H0, &H0, &HF0, &HFF, _
        &HFF, &HFF, &HF0, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0}

    Private blankImage As Byte() = { _
        &H42, &H4D, &HC6, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H76, &H0, &H0, &H0, &H28, &H0, _
        &H0, &H0, &HB, &H0, &H0, &H0, &HA, &H0, _
        &H0, &H0, &H1, &H0, &H4, &H0, &H0, &H0, _
        &H0, &H0, &H50, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H0, &H0, &H0, &H0, &H10, &H0, _
        &H0, &H0, &H10, &H0, &H0, &H0, &H0, &H0, _
        &H0, &H0, &H0, &H0, &H80, &H0, &H0, &H80, _
        &H0, &H0, &H0, &H80, &H80, &H0, &H80, &H0, _
        &H0, &H0, &H80, &H0, &H80, &H0, &H80, &H80, _
        &H0, &H0, &HC0, &HC0, &HC0, &H0, &H80, &H80, _
        &H80, &H0, &H0, &H0, &HFF, &H0, &H0, &HFF, _
        &H0, &H0, &H0, &HFF, &HFF, &H0, &HFF, &H0, _
        &H0, &H0, &HFF, &H0, &HFF, &H0, &HFF, &HFF, _
        &H0, &H0, &HFF, &HFF, &HFF, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0, &HFF, &HFF, _
        &HFF, &HFF, &HFF, &HF0, &H0, &H0}
#End Region

    Private blank As Bitmap = New Bitmap( _
        New MemoryStream(blankImage))
    Private x As Bitmap = New Bitmap(New MemoryStream(xImage))
    Private o As Bitmap = New Bitmap(New MemoryStream(oImage))
    Private xString As String = "X's turn"
    Private oString As String = "O's turn"
    Private gameOverString As String = "Game Over"
    Private bitmapPadding As Integer = 6

    Private Sub InitializeDataGridView(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Me.Load
        SuspendLayout()
        Panel1.SuspendLayout()

        ConfigureForm()
        SizeGrid()
        CreateColumns()
        CreateRows()

        ResumeLayout(False)
        Panel1.ResumeLayout(False)
    End Sub

    Private Sub ConfigureForm()
        AutoSize = True
        turn.Size = New System.Drawing.Size(75, 34)
        turn.TextAlign = ContentAlignment.MiddleLeft
        turn.Text = xString

        Panel1.FlowDirection = FlowDirection.TopDown
        Panel1.Location = New System.Drawing.Point(0, 8)
        Panel1.Size = New System.Drawing.Size(120, 196)

        ClientSize = New System.Drawing.Size(355, 200)
        Controls.Add(Me.Panel1)
        Text = "TicTacToe"

        dataGridView1 = New System.Windows.Forms.DataGridView
        dataGridView1.Location = New Point(120, 0)
        dataGridView1.AllowUserToAddRows = False
        Controls.Add(dataGridView1)
        SetupButtons()
    End Sub

    Private Sub SetupButtons()
        SetupButton(Button1, "Restart")
        Panel1.Controls.Add(Me.turn)
        SetupButton(Button2, "Increase Cell Size")
        SetupButton(Button3, "Stretch Images")
        SetupButton(Button4, "Zoom Images")
        SetupButton(Button5, "Normal Images")
    End Sub

    Private Sub SetupButton(ByVal button As Button, _
        ByVal buttonLabel As String)

        Panel1.Controls.Add(button)
        button.Text = buttonLabel
        button.AutoSize = True

    End Sub

    Private Sub CreateColumns()

        Dim imageColumn As DataGridViewImageColumn
        Dim columnCount As Integer = 0
        Do
            Dim unMarked As Bitmap = blank
            imageColumn = New DataGridViewImageColumn()

            ' Add twice the padding for the left and 
            ' right sides of the cell.
            imageColumn.Width = x.Width + 2 * bitmapPadding + 1

            imageColumn.Image = unMarked
            imageColumn.ImageLayout = DataGridViewImageCellLayout.NotSet
            imageColumn.Description = "default image layout"
            dataGridView1.Columns.Add(imageColumn)
            columnCount = columnCount + 1
        Loop While columnCount < 3
    End Sub

    Private Sub CreateRows()
        dataGridView1.Rows.Add()
        dataGridView1.Rows.Add()
        dataGridView1.Rows.Add()
    End Sub

    Private Sub SizeGrid()
        dataGridView1.ColumnHeadersVisible = False
        dataGridView1.RowHeadersVisible = False
        dataGridView1.AllowUserToResizeColumns = False
        dataGridView1.AllowUserToResizeRows = False
        dataGridView1.BorderStyle = BorderStyle.None

        ' Add twice the padding for the top and bottom of the cell. 
        dataGridView1.RowTemplate.Height = x.Height + _
            2 * bitmapPadding + 1

        dataGridView1.AutoSize = True
    End Sub

    Private Sub reset(ByVal sender As Object, _
        ByVal e As EventArgs) _
        Handles Button1.Click

        dataGridView1.Dispose()
        InitializeDataGridView(Nothing, Nothing)
    End Sub

    Private Sub dataGridView1_CellClick(ByVal sender As Object, _
        ByVal e As DataGridViewCellEventArgs) _
        Handles dataGridView1.CellClick

        If turn.Text.Equals(gameOverString) Then Return

        Dim cell As DataGridViewImageCell = _
            CType(dataGridView1.Rows(e.RowIndex). _
                Cells(e.ColumnIndex), DataGridViewImageCell)
        If (cell.Value Is blank) Then
            If IsOsTurn() Then
                cell.Value = o
            Else
                cell.Value = x
            End If
            ToggleTurn()
            ToolTip(e)
        End If
        If IsAWin() Then
            turn.Text = gameOverString
        End If
    End Sub

    Private Sub dataGridView1_CellMouseEnter(ByVal sender As Object, _
        ByVal e As DataGridViewCellEventArgs) _
        Handles dataGridView1.CellMouseEnter

        Dim markingUnderMouse As Bitmap = _
            CType(dataGridView1.Rows(e.RowIndex). _
                Cells(e.ColumnIndex).Value, Bitmap)

        If markingUnderMouse Is blank Then
            dataGridView1.Cursor = Cursors.Default
        ElseIf markingUnderMouse Is o OrElse markingUnderMouse Is x Then
            dataGridView1.Cursor = Cursors.No
            ToolTip(e)
        End If
    End Sub

    Private Sub ToolTip( _
        ByVal e As DataGridViewCellEventArgs)

        Dim cell As DataGridViewImageCell = _
            CType(dataGridView1.Rows(e.RowIndex). _
            Cells(e.ColumnIndex), DataGridViewImageCell)
        Dim imageColumn As DataGridViewImageColumn = _
            CType(dataGridView1.Columns(cell.ColumnIndex), _
            DataGridViewImageColumn)

        cell.ToolTipText = imageColumn.Description
    End Sub

    Private Sub dataGridView1_CellMouseLeave(ByVal sender As Object, _
        ByVal e As DataGridViewCellEventArgs) _
        Handles dataGridView1.CellMouseLeave

        dataGridView1.Cursor = Cursors.Default
    End Sub

    Private Sub Stretch(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Button3.Click

        For Each column As DataGridViewImageColumn _
            In dataGridView1.Columns
            column.ImageLayout = DataGridViewImageCellLayout.Stretch
            column.Description = "Stretched image layout"
        Next
    End Sub

    Private Sub ZoomToImage(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Button4.Click

        For Each column As DataGridViewImageColumn _
            In dataGridView1.Columns
            column.ImageLayout = DataGridViewImageCellLayout.Zoom
            column.Description = "Zoomed image layout"
        Next
    End Sub

    Private Sub NormalImage(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Button5.Click

        For Each column As DataGridViewImageColumn _
            In dataGridView1.Columns
            column.ImageLayout = DataGridViewImageCellLayout.Normal
            column.Description = "Normal image layout"
        Next
    End Sub

    Private Sub MakeCellsLarger(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Button2.Click

        For Each column As DataGridViewImageColumn _
            In dataGridView1.Columns
            column.Width = column.Width * 2
        Next
        For Each row As DataGridViewRow In dataGridView1.Rows
            If row.IsNewRow Then Continue For
            row.Height = CInt(row.Height * 1.5)
        Next
    End Sub

    Private Function IsAWin() As Boolean
        If ARowIsSame() OrElse AColumnIsSame() OrElse ADiagonalIsSame() Then
            Return True
        Else 
            Return False
        End If
    End Function

    Private Function ARowIsSame() As Boolean
        Dim marking As Bitmap = Nothing
        If marking Is blank Then Return False
        For Each row As DataGridViewRow In dataGridView1.Rows
            If row.IsNewRow Then Continue For
            marking = CType(row.Cells(0).Value, Bitmap)
            If marking IsNot blank Then
                If marking Is row.Cells(1).Value AndAlso _
                    marking Is row.Cells(2).Value Then Return True
            End If
        Next
        Return False
    End Function

    Private Function AColumnIsSame() As Boolean

        Dim columnIndex As Integer = 0
        Dim marking As Bitmap
        Do
            marking = CType(dataGridView1.Rows(0).Cells(columnIndex).Value, _
                Bitmap)
            If marking IsNot blank Then
                If marking Is _
                    dataGridView1.Rows(1).Cells(columnIndex).Value _
                    AndAlso marking Is _
                    dataGridView1.Rows(2).Cells(columnIndex).Value _
                    Then Return True
            End If
            columnIndex = columnIndex + 1
        Loop While columnIndex < _
            dataGridView1.Columns.GetColumnCount( _
            DataGridViewElementStates.Visible)
        Return False
    End Function

    Private Function ADiagonalIsSame() As Boolean

        If LeftToRightDiagonalIsSame() Then Return True
        If RightToLeftDiagonalIsSame() Then Return True
        Return False
    End Function

    Private Function LeftToRightDiagonalIsSame() As Boolean
        Return IsDiagonalSame(0, 2)
    End Function

    Private Function RightToLeftDiagonalIsSame() As Boolean
        Return IsDiagonalSame(2, 0)
    End Function

    Private Function IsDiagonalSame(ByVal startingColumn As Integer, _
        ByVal lastColumn As Integer) As Boolean

        Dim marking As Bitmap = CType( _
            dataGridView1.Rows(0).Cells(startingColumn).Value, Bitmap)
        If marking Is blank Then Return False
        If marking Is dataGridView1.Rows(1).Cells(1).Value AndAlso _
            marking Is dataGridView1.Rows(2).Cells(lastColumn).Value _
            Then Return True
    End Function

    Private Sub ToggleTurn()
        If turn.Text.Equals(xString) Then turn.Text = oString _
        Else turn.Text = xString
    End Sub

    Private Function IsOsTurn() As Boolean
        If turn.Text.Equals(oString) Then Return True _
        Else  : Return False
    End Function

    <STAThread> Public Shared Sub Main()
        Application.Run(New TicTacToe())
    End Sub

End Class

Observações

A DataGridViewImageColumn classe é um tipo especializado da DataGridViewColumn classe usada para alojar logicamente células que exibem imagens. A DataGridViewImageColumn tem um associado DataGridViewImageCell em cada DataGridViewRow que o intersecta. Cada célula é capaz de conter um Image ou um Icon, dependendo do valor da DataGridViewImageCell.ValueIsIcon propriedade. Exibir ícones é útil para acomodar imagens com transparência.

Por defeito, as células vazias exibem um gráfico de erro por defeito. Para evitar que este gráfico apareça para valores de célula iguais a null ou DBNull.Value, defina a DataGridViewCellStyle.NullValue propriedade do objeto de estilo de célula devolvido pela DefaultCellStyle propriedade para null antes de adicionar linhas ao controlo. No entanto, isto não afeta a linha para novos registos. Para evitar que o gráfico de erro apareça na linha para novos registos quando o valor da propriedade de controlo é , deve também definir explicitamente o valor da célula como null num handler para o evento de controlo RowsAdded ou definir a propriedade da coluna CellTemplate para uma instância de tipo DataGridViewImageCellderivado de , com uma propriedade sobreposta DefaultNewRowValue que devolve null.trueAllowUserToAddRows

O modo de ordenação por defeito para este tipo de coluna é NotSortable.

Notas para Herdeiros

Quando derivar e DataGridViewImageColumn adicionar novas propriedades à classe derivada, certifique-se de sobrepor o Clone() método para copiar as novas propriedades durante as operações de clonagem. Deves também chamar o método da Clone() classe base para que as propriedades da classe base sejam copiadas para a nova célula.

Construtores

Name	Description
DataGridViewImageColumn()	Inicializa uma nova instância da DataGridViewImageColumn classe, configurando-a para uso com valores de célula do tipo Image.
DataGridViewImageColumn(Boolean)	Inicializa uma nova instância da DataGridViewImageColumn classe, configurando-a opcionalmente para uso com Icon valores de células.

Propriedades

Name	Description
AutoSizeMode	Obtém ou define o modo pelo qual a coluna ajusta automaticamente a sua largura. (Herdado de DataGridViewColumn)
CellTemplate	Obtém ou define o modelo usado para criar novas células.
CellType	Obtém o tipo de execução do template da célula. (Herdado de DataGridViewColumn)
ContextMenuStrip	Recebe ou define o menu de atalhos para a coluna. (Herdado de DataGridViewColumn)
DataGridView	Obtém o DataGridView controlo associado a este elemento. (Herdado de DataGridViewElement)
DataPropertyName	Obtém ou define o nome da propriedade da fonte de dados ou da coluna da base de dados à qual está vinculado DataGridViewColumn . (Herdado de DataGridViewColumn)
DefaultCellStyle	Obtém ou define o estilo de célula padrão da coluna.
DefaultHeaderCellType	Obtém ou define o tipo de execução da célula de cabeçalho padrão. (Herdado de DataGridViewBand)
Description	Obtém ou define uma cadeia que descreve a imagem da coluna.
Displayed	Recebe um valor que indica se a banda está atualmente exibida no ecrã. (Herdado de DataGridViewBand)
DisplayIndex	Obtém ou define a ordem de exibição da coluna em relação às colunas atualmente apresentadas. (Herdado de DataGridViewColumn)
DividerWidth	Obtém ou define a largura, em píxeis, do divisor de colunas. (Herdado de DataGridViewColumn)
FillWeight	Obtém ou define um valor que representa a largura da coluna quando esta está em modo de preenchimento relativamente às larguras de outras colunas em modo de preenchimento no controlo. (Herdado de DataGridViewColumn)
Frozen	Recebe ou define um valor que indica se uma coluna se move quando o utilizador desliza o DataGridView controlo horizontalmente. (Herdado de DataGridViewColumn)
HasDefaultCellStyle	Recebe um valor que indica se a DefaultCellStyle propriedade foi definida. (Herdado de DataGridViewBand)
HeaderCell	Obtém ou define o DataGridViewColumnHeaderCell que representa o cabeçalho da coluna. (Herdado de DataGridViewColumn)
HeaderCellCore	Obtém ou define a célula de cabeçalho do DataGridViewBand. (Herdado de DataGridViewBand)
HeaderText	Recebe ou define o texto da legenda na célula do cabeçalho da coluna. (Herdado de DataGridViewColumn)
Icon	Recebe ou define o ícone exibido nas células desta coluna quando a propriedade da Value célula não está definida e a propriedade da ValueIsIcon célula está definida para `true`.
Image	Obtém ou define a imagem exibida nas células desta coluna quando a propriedade da Value célula não está definida e a propriedade da ValueIsIcon célula está definida para `false`.
ImageLayout	Obtém ou define a disposição da imagem nas células desta coluna.
Index	Obtém a posição relativa da banda dentro do DataGridView controlo. (Herdado de DataGridViewBand)
InheritedAutoSizeMode	Assim entra em funcionamento o modo de dimensionamento para a coluna. (Herdado de DataGridViewColumn)
InheritedStyle	Recebe o estilo de célula atualmente aplicado à coluna. (Herdado de DataGridViewColumn)
IsDataBound	Obtém um valor que indica se a coluna está ligada a uma fonte de dados. (Herdado de DataGridViewColumn)
IsRow	Recebe um valor que indica se a banda representa uma linha. (Herdado de DataGridViewBand)
MinimumWidth	Obtém ou define a largura mínima, em pixels, da coluna. (Herdado de DataGridViewColumn)
Name	Recebe ou define o nome da coluna. (Herdado de DataGridViewColumn)
ReadOnly	Recebe ou define um valor que indica se o utilizador pode editar as células da coluna. (Herdado de DataGridViewColumn)
Resizable	Recebe ou define um valor que indica se a coluna é redimensionável. (Herdado de DataGridViewColumn)
Selected	Recebe ou define um valor que indica se a banda está num estado selecionado de interface de utilizador (UI). (Herdado de DataGridViewBand)
Site	Obtém ou define o local da coluna. (Herdado de DataGridViewColumn)
SortMode	Obtém ou define o modo de ordenação para a coluna. (Herdado de DataGridViewColumn)
State	Obtém o estado da interface de utilizador (UI) do elemento. (Herdado de DataGridViewElement)
Tag	Obtém ou define o objeto que contém dados para associar à banda. (Herdado de DataGridViewBand)
ToolTipText	Obtém ou define o texto usado para as dicas de ferramenta. (Herdado de DataGridViewColumn)
ValuesAreIcons	Recebe ou define um valor que indica se as células desta coluna apresentam Icon valores.
ValueType	Obtém ou define o tipo de dados dos valores nas células da coluna. (Herdado de DataGridViewColumn)
Visible	Recebe ou define um valor que indica se a coluna é visível. (Herdado de DataGridViewColumn)
Width	Obtém ou define a largura atual da coluna. (Herdado de DataGridViewColumn)

Métodos

Name	Description
Clone()	Cria uma cópia exata desta coluna.
Dispose()	Liberta todos os recursos utilizados pelo DataGridViewBand. (Herdado de DataGridViewBand)
Dispose(Boolean)	Liberta os recursos não geridos usados pelo DataGridViewBand e opcionalmente liberta os recursos geridos. (Herdado de DataGridViewColumn)
Equals(Object)	Determina se o objeto especificado é igual ao objeto atual. (Herdado de Object)
GetHashCode()	Serve como função de hash predefinida. (Herdado de Object)
GetPreferredWidth(DataGridViewAutoSizeColumnMode, Boolean)	Calcula a largura ideal da coluna com base nos critérios especificados. (Herdado de DataGridViewColumn)
GetType()	Obtém o Type da instância atual. (Herdado de Object)
MemberwiseClone()	Cria uma cópia superficial do atual Object. (Herdado de Object)
OnDataGridViewChanged()	Chamado quando a banda está associada a um .DataGridView (Herdado de DataGridViewBand)
RaiseCellClick(DataGridViewCellEventArgs)	Eleva o CellClick evento. (Herdado de DataGridViewElement)
RaiseCellContentClick(DataGridViewCellEventArgs)	Eleva o CellContentClick evento. (Herdado de DataGridViewElement)
RaiseCellContentDoubleClick(DataGridViewCellEventArgs)	Eleva o CellContentDoubleClick evento. (Herdado de DataGridViewElement)
RaiseCellValueChanged(DataGridViewCellEventArgs)	Eleva o CellValueChanged evento. (Herdado de DataGridViewElement)
RaiseDataError(DataGridViewDataErrorEventArgs)	Eleva o DataError evento. (Herdado de DataGridViewElement)
RaiseMouseWheel(MouseEventArgs)	Eleva o MouseWheel evento. (Herdado de DataGridViewElement)
ToString()	Recebe uma cadeia que descreve a coluna.

evento

Name	Description
Disposed	Ocorre quando é DataGridViewColumn descartado. (Herdado de DataGridViewColumn)

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