Control.ContextMenuStripChanged Control.ContextMenuStripChanged Control.ContextMenuStripChanged Control.ContextMenuStripChanged Event

定义

ContextMenuStrip 属性的值更改时发生。Occurs when the value of the ContextMenuStrip property changes.

public:
 event EventHandler ^ ContextMenuStripChanged;
public event EventHandler ContextMenuStripChanged;
member this.ContextMenuStripChanged : EventHandler 
Public Custom Event ContextMenuStripChanged As EventHandler 

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ContextMenuStripChanged事件的发生。In the example, an event handler reports on the occurrence of the ContextMenuStripChanged 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. 若要报告多个事件或频繁发生的事件, 请考虑MessageBox.ShowConsole.WriteLine消息替换为多行或将TextBox其追加到多行。To report on multiple events or on events that occur frequently, consider replacing MessageBox.Show with Console.WriteLine or appending the message to a multiline TextBox.

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Control继承的类型的实例,如ComboBox Button或。To run the example code, paste it into a project that contains an instance of a type that inherits from Control, such as a Button or ComboBox. 然后命名该实例Control1 ,并确保事件处理程序ContextMenuStripChanged与事件相关联。Then name the instance Control1 and ensure that the event handler is associated with the ContextMenuStripChanged event.

private void Control1_ContextMenuStripChanged(Object sender, EventArgs e) {

   MessageBox.Show("You are in the Control.ContextMenuStripChanged event.");

}
Private Sub Control1_ContextMenuStripChanged(sender as Object, e as EventArgs) _ 
     Handles Control1.ContextMenuStripChanged

   MessageBox.Show("You are in the Control.ContextMenuStripChanged 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