[英]How can I raise a custom Routed Event from user control?
在我的用戶控件中,我有一個按鈕,單擊該按鈕將引發自定義路由事件。 我試圖提高它,但它不會在MainWindow.xaml中被觸發。
用戶控件中按鈕的Xaml:
<Button x:Name="PART_Add" Content="+" Grid.Column="3" Margin="0,0,0,0" Style="{DynamicResource dTranspButton}" Click="btnAdd_Click"/>
UserControl C#代碼:
//AddClick Event
public static readonly RoutedEvent AddClickEvent = EventManager.RegisterRoutedEvent("AddClick", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(dCB_Props));
public event RoutedEventHandler AddClick
{
add { AddHandler(AddClickEvent, value); }
remove { RemoveHandler(AddClickEvent, value); }
}
void RaiseAddClickEvent()
{
RoutedEventArgs newEventArgs = new RoutedEventArgs(dCB_Props.AddClickEvent);
}
protected void OnAddClick()
{
RaiseAddClickEvent();
}
//objects events
private void btnAdd_Click(object sender, System.Windows.RoutedEventArgs e)
{
RaiseAddClickEvent();
}
MainWindow.xaml中UserControl實例的Xaml代碼:
<local:dCB_Props x:Name="cb1" Margin="41.166,0,36.19,25" VerticalAlignment="Bottom" Height="30" Width="141" AddClick="dCB_Props_AddClick">
<local:dCB_Props.Items>
<ComboBoxItem Content="item1"/>
</local:dCB_Props.Items>
</local:dCB_Props>
應該在MainWindow.xaml.cs中觸發的C#代碼:
private void dCB_Props_AddClick(object sender, System.Windows.RoutedEventArgs e)
{
MessageBox.Show("This Works");
}
你需要打電話
RaiseEvent(new RoutedEventArgs(AddClickEvent));
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