DataGrid.CurrentCellChanged Evento
Definição
Importante
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Ocorre quando a CurrentCell propriedade mudou.
public:
event EventHandler ^ CurrentCellChanged;
public event EventHandler CurrentCellChanged;
member this.CurrentCellChanged : EventHandler
Public Custom Event CurrentCellChanged As EventHandler
Tipo de Evento
Exemplos
O seguinte exemplo de código demonstra a utilização deste elemento.
// Create an instance of the 'CurrentCellChanged' EventHandler.
private:
void CallCurrentCellChanged()
{
myDataGrid->CurrentCellChanged += gcnew EventHandler( this, &MyDataGrid::Grid_CurCellChange );
}
// Raise the event when focus on DataGrid cell changes.
void Grid_CurCellChange( Object^ /*sender*/, EventArgs^ /*e*/ )
{
// String variable used to show message.
String^ myString = "CurrentCellChanged event raised, cell focus is at ";
// Get the co-ordinates of the focussed cell.
String^ myPoint = String::Concat( myDataGrid->CurrentCell.ColumnNumber, ", ", myDataGrid->CurrentCell.RowNumber );
// Create the alert message.
myString = String::Concat( myString, "(", myPoint, ")" );
// Show Co-ordinates when CurrentCellChanged event is raised.
MessageBox::Show( myString, "Current cell co-ordinates" );
}
// Create an instance of the 'CurrentCellChanged' EventHandler.
private void CallCurrentCellChanged()
{
myDataGrid.CurrentCellChanged += new EventHandler(Grid_CurCellChange);
}
// Raise the event when focus on DataGrid cell changes.
private void Grid_CurCellChange(object sender, EventArgs e)
{
// String variable used to show message.
string myString = "CurrentCellChanged event raised, cell focus is at ";
// Get the co-ordinates of the focussed cell.
string myPoint = myDataGrid.CurrentCell.ColumnNumber + "," +
myDataGrid.CurrentCell.RowNumber;
// Create the alert message.
myString = myString + "(" + myPoint + ")";
// Show Co-ordinates when CurrentCellChanged event is raised.
MessageBox.Show(myString, "Current cell co-ordinates");
}
' Create an instance of the 'CurrentCellChanged' EventHandler.
Private Sub CallCurrentCellChanged()
AddHandler myDataGrid.CurrentCellChanged, AddressOf Grid_CurCellChange
End Sub
' Raise the event when focus on DataGrid cell changes.
Private Sub Grid_CurCellChange(ByVal sender As Object, ByVal e As EventArgs)
' String variable used to show message.
Dim myString As String = "CurrentCellChanged event raised, cell focus is at "
' Get the co-ordinates of the focussed cell.
Dim myPoint As String = myDataGrid.CurrentCell.ColumnNumber + "," + myDataGrid.CurrentCell.RowNumber
' Create the alert message.
myString = myString + "(" + myPoint + ")"
' Show Co-ordinates when CurrentCellChanged event is raised.
MessageBox.Show(myString, "Current cell co-ordinates")
End Sub
Observações
Para determinar a célula atual, use a CurrentCell propriedade.