VisualStyleElement.TrackBar.ThumbTop Classe

Definição

public: ref class VisualStyleElement::TrackBar::ThumbTop abstract sealed

public static class VisualStyleElement.TrackBar.ThumbTop

type VisualStyleElement.TrackBar.ThumbTop = class

Public Class VisualStyleElement.TrackBar.ThumbTop

Herança

Object

VisualStyleElement.TrackBar.ThumbTop

Exemplos

O seguinte exemplo de código demonstra como criar um VisualStyleRenderer com o VisualStyleElement devolvido pela Disabled propriedade. Para executar este exemplo, cole-o num formulário do Windows. Trate o evento do Paint formulário e chame o DrawVisualStyleElementTrackBarThumbTop5 método a partir do Paint método de gestão de eventos, passando e como PaintEventArgs.

public void DrawVisualStyleElementTrackBarThumbTop5(PaintEventArgs e)
{
    if (VisualStyleRenderer.IsElementDefined(
        VisualStyleElement.TrackBar.ThumbTop.Disabled))
    {
        VisualStyleRenderer renderer =
             new VisualStyleRenderer(VisualStyleElement.TrackBar.ThumbTop.Disabled);
        Rectangle rectangle1 = new Rectangle(10, 50, 50, 50);
        renderer.DrawBackground(e.Graphics, rectangle1);
        e.Graphics.DrawString("VisualStyleElement.TrackBar.ThumbTop.Disabled",
             this.Font, Brushes.Black, new Point(10, 10));
    }
    else
        e.Graphics.DrawString("This element is not defined in the current visual style.",
             this.Font, Brushes.Black, new Point(10, 10));
}

Public Sub DrawVisualStyleElementTrackBarThumbTop5(ByVal e As PaintEventArgs)
    If (VisualStyleRenderer.IsElementDefined( _
     VisualStyleElement.TrackBar.ThumbTop.Disabled)) Then
        Dim renderer As New VisualStyleRenderer _
          (VisualStyleElement.TrackBar.ThumbTop.Disabled)
        Dim rectangle1 As New Rectangle(10, 50, 50, 50)
        renderer.DrawBackground(e.Graphics, rectangle1)
        e.Graphics.DrawString("VisualStyleElement.TrackBar.ThumbTop.Disabled", _
          Me.Font, Brushes.Black, New Point(10, 10))
    Else
        e.Graphics.DrawString("This element is not defined in the current visual style.", _
          Me.Font, Brushes.Black, New Point(10, 10))
    End If
End Sub

Observações

Cada propriedade da VisualStyleElement.TrackBar.ThumbTop classe devolve a VisualStyleElement para um estado diferente do deslizador da barra de via apontada para cima.

Ver também

• VisualStyleElement
• VisualStyleRenderer