DataGridView.RowHeadersWidthSizeModeChanged DataGridView.RowHeadersWidthSizeModeChanged DataGridView.RowHeadersWidthSizeModeChanged DataGridView.RowHeadersWidthSizeModeChanged Event

定义

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

public:
 event System::Windows::Forms::DataGridViewAutoSizeModeEventHandler ^ RowHeadersWidthSizeModeChanged;
public event System.Windows.Forms.DataGridViewAutoSizeModeEventHandler RowHeadersWidthSizeModeChanged;
member this.RowHeadersWidthSizeModeChanged : System.Windows.Forms.DataGridViewAutoSizeModeEventHandler 
Public Custom Event RowHeadersWidthSizeModeChanged As DataGridViewAutoSizeModeEventHandler 

示例

下面的代码示例演示如何将此成员。The following code example demonstrates the use of this member. 在示例中,事件处理程序报告的匹配项RowHeadersWidthSizeModeChanged事件。In the example, an event handler reports on the occurrence of the RowHeadersWidthSizeModeChanged event. 此报告可帮助您了解事件发生的并可以帮助您进行调试。This report helps you to learn when the event occurs and can assist you in debugging. 若要报告或频繁发生的事件上多个事件,请考虑更换MessageBox.ShowConsole.WriteLine或将消息附加到多行TextBoxTo 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.

若要运行此代码示例,请将其粘贴到包含类型的实例的项目DataGridView名为DataGridView1To run the example code, paste it into a project that contains an instance of type DataGridView named DataGridView1. 然后,确保事件处理程序相关联RowHeadersWidthSizeModeChanged事件。Then ensure that the event handler is associated with the RowHeadersWidthSizeModeChanged event.

private void DataGridView1_RowHeadersWidthSizeModeChanged(Object sender, DataGridViewAutoSizeModeEventArgs e) {

System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "PreviousModeAutoSized", e.PreviousModeAutoSized );
messageBoxCS.AppendLine();
MessageBox.Show(messageBoxCS.ToString(), "RowHeadersWidthSizeModeChanged Event" );
}
Private Sub DataGridView1_RowHeadersWidthSizeModeChanged(sender as Object, e as DataGridViewAutoSizeModeEventArgs) _ 
     Handles DataGridView1.RowHeadersWidthSizeModeChanged

    Dim messageBoxVB as New System.Text.StringBuilder()
    messageBoxVB.AppendFormat("{0} = {1}", "PreviousModeAutoSized", e.PreviousModeAutoSized)
    messageBoxVB.AppendLine()
    MessageBox.Show(messageBoxVB.ToString(),"RowHeadersWidthSizeModeChanged Event")

End Sub

注解

有关如何处理事件的详细信息,请参阅处理和引发事件For more information about how to handle events, see Handling and Raising Events.

适用于

另请参阅