ToolStripRenderer.RenderToolStripContentPanelBackground 事件

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

绘制 ToolStripContentPanel 的背景。

public:
 event System::Windows::Forms::ToolStripContentPanelRenderEventHandler ^ RenderToolStripContentPanelBackground;

public event System.Windows.Forms.ToolStripContentPanelRenderEventHandler RenderToolStripContentPanelBackground;

member this.RenderToolStripContentPanelBackground : System.Windows.Forms.ToolStripContentPanelRenderEventHandler 

Public Custom Event RenderToolStripContentPanelBackground As ToolStripContentPanelRenderEventHandler 

事件类型

ToolStripContentPanelRenderEventHandler

示例

下面的代码示例演示了此成员的用法。 在此示例中，事件处理程序报告事件的发生情况 RenderToolStripContentPanelBackground 。 此报告可帮助你了解事件发生的时间，并可以帮助你进行调试。

若要运行示例代码，请将其粘贴到包含继承自 ToolStripRenderer的类型的实例（如 ToolStripSystemRenderer 或 ToolStripProfessionalRenderer）的项目中。 然后命名实例 ToolStripRenderer1 并确保事件处理程序与事件 RenderToolStripContentPanelBackground 相关联。

private void ToolStripRenderer1_RenderToolStripContentPanelBackground(Object sender, ToolStripContentPanelRenderEventArgs e) {

System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "Graphics", e.Graphics );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Handled", e.Handled );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "ToolStripContentPanel", e.ToolStripContentPanel );
messageBoxCS.AppendLine();
MessageBox.Show(messageBoxCS.ToString(), "RenderToolStripContentPanelBackground Event" );
}

Private Sub ToolStripRenderer1_RenderToolStripContentPanelBackground(sender as Object, e as ToolStripContentPanelRenderEventArgs) _ 
     Handles ToolStripRenderer1.RenderToolStripContentPanelBackground

    Dim messageBoxVB as New System.Text.StringBuilder()
    messageBoxVB.AppendFormat("{0} = {1}", "Graphics", e.Graphics)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Handled", e.Handled)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "ToolStripContentPanel", e.ToolStripContentPanel)
    messageBoxVB.AppendLine()
    MessageBox.Show(messageBoxVB.ToString(),"RenderToolStripContentPanelBackground Event")

End Sub

注解

有关处理事件的详细信息，请参阅 处理和引发事件。