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在我的模板控件中,我有一個按鈕和一個橢圓。 我用Interaction.Behavior添加了點擊事件。按鈕工作正常。但Ellipse從未開火。爲什麼?帶有橢圓的UWP Interaction.Behavior
<Style TargetType="local:SensorMeter">
<Setter Property="UseSystemFocusVisuals" Value="True"></Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="local:SensorMeter">
<Viewbox>
<Ellipse x:Name="PART_MeterCenter" RenderTransformOrigin="0.5,0.5" HorizontalAlignment="Center" VerticalAlignment="Center">
<Ellipse.RenderTransform>
<CompositeTransform/>
</Ellipse.RenderTransform>
<interactivity:Interaction.Behaviors>
<core:EventTriggerBehavior EventName="Click">
<core:InvokeCommandAction Command="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=CenterCommand}"
CommandParameter="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=CenterCommandParameter}"/>
</core:EventTriggerBehavior>
</interactivity:Interaction.Behaviors>
</Ellipse>
<Button Content="ClickBtn">
<interactivity:Interaction.Behaviors>
<core:EventTriggerBehavior EventName="Click">
<core:InvokeCommandAction Command="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=CenterCommand}"
CommandParameter="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=CenterCommandParameter}"/>
</core:EventTriggerBehavior>
</interactivity:Interaction.Behaviors>
</Button>.........
我在TemplateControl C#代碼中使用此代碼繪製圓。
var _meterCenter = _sensorMeter.GetTemplateChild("PART_MeterCenter") as Ellipse;
if (_meterCenter != null)
{
_meterCenter.Stroke = _sensorMeter.MeterBorder_Brush;
_meterCenter.StrokeThickness = _sensorMeter.MeterBorderWidth;
_meterCenter.Fill = _sensorMeter.CenterThresHoldColor;
_meterCenter.Opacity = Opacity;
_meterCenter.Height = _sensorMeter.meterCenterSize * 2;
_meterCenter.Width = _sensorMeter.meterCenterSize * 2;
_meterCenter.Margin = new Thickness(0, _sensorMeter.MeterYOffset*2, 0, 0);
}
其實在我的代碼中,有很多網格,路徑,橢圓。我應該去最上層接受點擊事件嗎?但按鈕可以在同一個z-index中觸發事件。
在我的代碼中,沒有Canvas。 這只是網格,路徑,橢圓只。