MenuItem.Checked 事件

定义

命名空间:

System.Windows.Controls

程序集:

PresentationFramework.dll

在选中菜单项时发生。

public:
 event System::Windows::RoutedEventHandler ^ Checked;

public event System.Windows.RoutedEventHandler Checked;

member this.Checked : System.Windows.RoutedEventHandler 

Public Custom Event Checked As RoutedEventHandler 

事件类型

RoutedEventHandler

示例

下面的示例演示如何处理 Checked 事件。

<MenuItem Header="_Bold" IsCheckable="True"
          Checked="Bold_Checked"
          Unchecked="Bold_Unchecked"/>

private void Bold_Checked(object sender, RoutedEventArgs e)
{
    textBox1.FontWeight = FontWeights.Bold;
}

private void Bold_Unchecked(object sender, RoutedEventArgs e)
{
    textBox1.FontWeight = FontWeights.Normal;
}

Private Sub Bold_Checked(ByVal sender As Object, ByVal e As RoutedEventArgs)
    textBox1.FontWeight = FontWeights.Bold
End Sub

Private Sub Bold_Unchecked(ByVal sender As Object, ByVal e As RoutedEventArgs)
    textBox1.FontWeight = FontWeights.Normal
End Sub

注解

路由事件信息

标识符字段	CheckedEvent
路由策略	鼓 泡
委托	RoutedEventHandler