DataGridView.OnAutoSizeColumnsModeChanged(DataGridViewAutoSizeColumnsModeEventArgs) 方法

定义

引发 AutoSizeColumnsModeChanged 事件。Raises the AutoSizeColumnsModeChanged event.

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

参数

异常

ePreviousModes 属性的值为 nullThe value of the PreviousModes property of e is null.

ePreviousModes 属性返回的数组中的条目数不等于此控件中的列数。The number of entries in the array returned by the PreviousModes property of e is not equal to the number of columns in the 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.

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

适用于

另请参阅