ToolStripRenderer.RenderButtonBackground ToolStripRenderer.RenderButtonBackground ToolStripRenderer.RenderButtonBackground ToolStripRenderer.RenderButtonBackground Event

定義

發生於呈現 ToolStripButton 的背景時。Occurs when the background for a ToolStripButton is rendered

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

範例

下列程式碼範例示範如何使用這個成員。The following code example demonstrates the use of this member. 在此範例中, 事件處理常式會報告RenderButtonBackground事件的發生次數。In the example, an event handler reports on the occurrence of the RenderButtonBackground event. 此報表可協助您瞭解事件發生的時間, 並可協助您進行調試。This report helps you to learn when the event occurs and can assist you in debugging.

若要執行範例程式碼, 請將它貼到包含繼承自ToolStripRenderer之類型實例的專案中, 例如ToolStripSystemRendererToolStripProfessionalRendererTo 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. 然後為實例ToolStripRenderer1命名, 並確定事件處理常式RenderButtonBackground與事件相關聯。Then name the instance ToolStripRenderer1 and ensure that the event handler is associated with the RenderButtonBackground event.

private void ToolStripRenderer1_RenderButtonBackground(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(), "RenderButtonBackground Event" );
}
Private Sub ToolStripRenderer1_RenderButtonBackground(sender as Object, e as ToolStripItemRenderEventArgs) _ 
     Handles ToolStripRenderer1.RenderButtonBackground

    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(),"RenderButtonBackground Event")

End Sub

備註

如需處理事件的詳細資訊, 請參閱處理和引發事件For more information about handling events, see Handling and Raising Events.

適用於