Control.ContextMenu Control.ContextMenu Control.ContextMenu Control.ContextMenu Property

定义

获取或设置与控件关联的快捷菜单。Gets or sets the shortcut menu associated with the control.

public:
 virtual property System::Windows::Forms::ContextMenu ^ ContextMenu { System::Windows::Forms::ContextMenu ^ get(); void set(System::Windows::Forms::ContextMenu ^ value); };
[System.ComponentModel.Browsable(false)]
public virtual System.Windows.Forms.ContextMenu ContextMenu { get; set; }
member this.ContextMenu : System.Windows.Forms.ContextMenu with get, set
Public Overridable Property ContextMenu As ContextMenu

属性值

一个 ContextMenu,表示与控件关联的快捷菜单。A ContextMenu that represents the shortcut menu associated with the control.

示例

下面的代码示例显示ContextMenu分配给TreeView时单击鼠标右键按钮和释放。The following code example displays the ContextMenu assigned to a TreeView when the right mouse button is clicked and released. 此代码,则需要FormTreeView上它。This code requires that you have a Form with a TreeView on it. 另外,也需要该TreeViewContextMenu分配给其ContextMenu属性。It is also required that the TreeView has a ContextMenu assigned to its ContextMenu property.

private:
   void treeView1_MouseUp( Object^ /*sender*/, MouseEventArgs^ e )
   {
      // If the right mouse button was clicked and released,
      // display the shortcut menu assigned to the TreeView.
      if ( e->Button == ::MouseButtons::Right )
      {
         treeView1->ContextMenu->Show( treeView1, Point(e->X,e->Y) );
      }
   }
private void treeView1_MouseUp(object sender, MouseEventArgs e)
{
   // If the right mouse button was clicked and released,
   // display the shortcut menu assigned to the TreeView. 
   if(e.Button == MouseButtons.Right)
   {
      treeView1.ContextMenu.Show(treeView1, new Point(e.X, e.Y) );      
   }
}
Private Sub treeView1_MouseUp(sender As Object, _
  e As MouseEventArgs) Handles treeView1.MouseUp
   ' If the right mouse button was clicked and released,
   ' display the shortcut menu assigned to the TreeView. 
   If e.Button = MouseButtons.Right Then
      treeView1.ContextMenu.Show(treeView1, New Point(e.X, e.Y))
   End If
End Sub

注解

使用快捷菜单时他们右键单击该控件向用户提供特定于上下文菜单选项。Use a shortcut menus to give context-specific menu options to users when they right-click on the control.

继承者说明

重写时ContextMenu属性在派生类中,使用基类的ContextMenu属性扩展的基实现。When overriding the ContextMenu property in a derived class, use the base class's ContextMenu property to extend the base implementation. 否则,必须提供所有的实现。Otherwise, you must provide all the implementation. 不需要重写二者getset访问器ContextMenu属性; 您可以根据需要覆盖只有一个。You are not required to override both the get and set accessors of the ContextMenu property; you can override only one if needed.

适用于

另请参阅