DataGridView.OnColumnContextMenuStripChanged(DataGridViewColumnEventArgs) 方法

定义

protected:
 virtual void OnColumnContextMenuStripChanged(System::Windows::Forms::DataGridViewColumnEventArgs ^ e);
protected virtual void OnColumnContextMenuStripChanged (System.Windows.Forms.DataGridViewColumnEventArgs e);
abstract member OnColumnContextMenuStripChanged : System.Windows.Forms.DataGridViewColumnEventArgs -> unit
override this.OnColumnContextMenuStripChanged : System.Windows.Forms.DataGridViewColumnEventArgs -> unit
Protected Overridable Sub OnColumnContextMenuStripChanged (e As DataGridViewColumnEventArgs)

参数

e
DataGridViewColumnEventArgs

包含事件数据的 DataGridViewColumnEventArgsA DataGridViewColumnEventArgs that contains the event data.

异常

eColumn 属性指示的列不属于此 DataGridView 控件。The column indicated by the Column property of e does not belong to this DataGridView control.

注解

引发事件时,将通过委托调用事件处理程序。Raising an event invokes the event handler through a delegate. 有关详细信息,请参阅处理和引发事件For more information, see Handling and Raising Events.

OnColumnContextMenuStripChanged 方法还允许派生类对事件进行处理而不必附加委托。The OnColumnContextMenuStripChanged method also allows derived classes to handle the event without attaching a delegate. 这是在派生类中处理事件的首选技术。This is the preferred technique for handling the event in a derived class.

继承者说明

在派生类中重写 OnColumnContextMenuStripChanged(DataGridViewColumnEventArgs) 时,请确保调用基类 "OnColumnContextMenuStripChanged(DataGridViewColumnEventArgs) 方法,以便注册的委托接收事件。When overriding OnColumnContextMenuStripChanged(DataGridViewColumnEventArgs) in a derived class, be sure to call the base class' OnColumnContextMenuStripChanged(DataGridViewColumnEventArgs) method so that registered delegates receive the event.

适用于

另请参阅