ToolStripRenderer.RenderSplitButtonBackground ToolStripRenderer.RenderSplitButtonBackground ToolStripRenderer.RenderSplitButtonBackground ToolStripRenderer.RenderSplitButtonBackground Event

定义

当呈现 ToolStripSplitButton 的背景时发生。Occurs when the background for a ToolStripSplitButton is rendered.

public:
 event System::Windows::Forms::ToolStripItemRenderEventHandler ^ RenderSplitButtonBackground;
public event System.Windows.Forms.ToolStripItemRenderEventHandler RenderSplitButtonBackground;
member this.RenderSplitButtonBackground : System.Windows.Forms.ToolStripItemRenderEventHandler 
Public Custom Event RenderSplitButtonBackground As ToolStripItemRenderEventHandler 

示例

下面的代码示例演示如何使用此成员。The following code example demonstrates the use of this member. 在此示例中, 事件处理程序报告RenderSplitButtonBackground事件的发生。In the example, an event handler reports on the occurrence of the RenderSplitButtonBackground event. 此报表可帮助你了解何时发生事件, 并可帮助你进行调试。This report helps you to learn when the event occurs and can assist you in debugging.

若要运行示例代码, 请将其粘贴到一个项目中, 该项目包含从ToolStripRenderer继承的类型的实例, 如ToolStripProfessionalRenderer ToolStripSystemRenderer或。To run the example code, paste it into a project that contains an instance of a type that inherits from ToolStripRenderer, such as a ToolStripSystemRenderer or ToolStripProfessionalRenderer. 然后命名该实例ToolStripRenderer1 , 并确保事件处理程序RenderSplitButtonBackground与事件相关联。Then name the instance ToolStripRenderer1 and ensure that the event handler is associated with the RenderSplitButtonBackground event.

private void ToolStripRenderer1_RenderSplitButtonBackground(Object sender, ToolStripItemRenderEventArgs e) {

System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "Graphics", e.Graphics );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Item", e.Item );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "ToolStrip", e.ToolStrip );
messageBoxCS.AppendLine();
MessageBox.Show(messageBoxCS.ToString(), "RenderSplitButtonBackground Event" );
}
Private Sub ToolStripRenderer1_RenderSplitButtonBackground(sender as Object, e as ToolStripItemRenderEventArgs) _ 
     Handles ToolStripRenderer1.RenderSplitButtonBackground

    Dim messageBoxVB as New System.Text.StringBuilder()
    messageBoxVB.AppendFormat("{0} = {1}", "Graphics", e.Graphics)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Item", e.Item)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "ToolStrip", e.ToolStrip)
    messageBoxVB.AppendLine()
    MessageBox.Show(messageBoxVB.ToString(),"RenderSplitButtonBackground 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For more information about handling events, see Handling and Raising Events.

适用于