DataGridView.OnColumnHeaderMouseDoubleClick(DataGridViewCellMouseEventArgs) 方法

定义

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

参数

e
DataGridViewCellMouseEventArgs

一个 DataGridViewCellMouseEventArgs,包含有关单元格和鼠标指针位置的信息。A DataGridViewCellMouseEventArgs that contains information about the cell and the position of the mouse pointer.

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.

OnColumnHeaderMouseDoubleClick 方法还允许派生类对事件进行处理而不必附加委托。The OnColumnHeaderMouseDoubleClick 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 OnColumnHeaderMouseDoubleClick(DataGridViewCellMouseEventArgs) 时,请确保调用基类 "OnColumnHeaderMouseDoubleClick(DataGridViewCellMouseEventArgs) 方法,以便注册的委托接收事件。When overriding OnColumnHeaderMouseDoubleClick(DataGridViewCellMouseEventArgs) in a derived class, be sure to call the base class' OnColumnHeaderMouseDoubleClick(DataGridViewCellMouseEventArgs) method so that registered delegates receive the event.

适用于

另请参阅