C# 鼠标按下事件未触发(冒泡事件)
我是WPF的新手。我开始学习WPF中的RoutedEvents。我试了一个样品,但遇到了一个问题C# 鼠标按下事件未触发(冒泡事件),c#,.net,wpf,.net-4.0,C#,.net,Wpf,.net 4.0,我是WPF的新手。我开始学习WPF中的RoutedEvents。我试了一个样品,但遇到了一个问题 <Grid Margin="5" Name="Grid" MouseDown="Window_MouseUp"> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="*"></RowDefinitio
<Grid Margin="5" Name="Grid" MouseDown="Window_MouseUp">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
</Grid.RowDefinitions>
<Label BorderBrush="Black" BorderThickness="1" Grid.Row="0" Margin="5" Name="FancyLabel" MouseDown="Window_MouseUp" >
<StackPanel Name="Stack" MouseDown="Window_MouseUp">
<TextBlock Margin="3" Name="txtBlock1">
Click Any Where
</TextBlock>
<TextBlock Margin="50" Name="txtBlock2" >
Click me also
</TextBlock>
</StackPanel>
</Label>
<ListBox Grid.Row="1" Margin="5" Name="ListMessages"/>
<Button Grid.Row="3" Margin="5" Name="cmd_Clear" MouseDown="Cmd_Clear_MouseDown" >Clear</Button>
</Grid>
Cmd_Clear_MouseDown事件被触发,事件被冒泡到网格中,网格触发窗口\u MouseUp。两点:
1) 是否打算在任何地方使用MouseDown=“Window\u MouseUp”
2) 为什么不注册到用ClickMode=“Press”
而不是MouseDown
点击事件。我不认为按钮
提供/提升鼠标向下
,除非可能使用自定义模板
例子:
清除
两点:
1) 是否打算在任何地方使用MouseDown=“Window\u MouseUp”
2) 为什么不注册到用ClickMode=“Press”
而不是MouseDown
点击事件。我不认为按钮
提供/提升鼠标向下
,除非可能使用自定义模板
例子:
清除
Grid.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Window_MouseUp),true);
Stack.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Window_MouseUp), true);
FancyLabel.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Window_MouseUp), true);
txtBlock1.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Window_MouseUp), true);
txtBlock2.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Window_MouseUp), true);
Img1.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Window_MouseUp), true);
cmd_Clear.AddHandler(UIElement.MouseDownEvent, new MouseButtonEventHandler(Cmd_Clear_MouseDown), true);
<Button Grid.Row="3"
Margin="5"
Name="cmd_Clear"
ClickMode="Press"
Click="Cmd_Clear_MouseDown">Clear</Button>