[英]PointerDownThemeAnimation application stops WP8
我很困惑为什么我的应用程序正在关闭,我添加了PointerDownThemeAnimation并且它工作正常但只有一次,当我再次点击它时,应用程序停止。 为什么?
这是我的代码:
private void staryrynek1(object sender, PointerRoutedEventArgs e)
{
pointerDownStoryboard.Begin();
}
private void staryrynek(object sender, PointerRoutedEventArgs e)
{
pointerUpStoryboard.Begin();
this.Frame.Navigate(typeof(StaryRynek));
}
和
<Grid x:Name="staryrynek_grid" Margin="10,92,10,0" VerticalAlignment="Top" PointerPressed="staryrynek1" PointerReleased="staryrynek">
<Grid.Resources>
<Storyboard x:Name="pointerDownStoryboard">
<PointerDownThemeAnimation TargetName="staryrynek_grid" />
</Storyboard>
<Storyboard x:Name="pointerUpStoryboard">
<PointerUpThemeAnimation TargetName="staryrynek_grid" />
</Storyboard>
</Grid.Resources>
<Grid.Background>
<SolidColorBrush Color="Black" Opacity="0.495"/>
</Grid.Background>
<TextBlock HorizontalAlignment="Center" TextWrapping="Wrap" VerticalAlignment="Top" Width="380" FontSize="29.333" Text="Stary Rynek"/>
</Grid>
我想你找到了一个真正的错误。 这是解决方法。
XAML
<Grid>
<Grid.Resources>
<Storyboard x:Name="PointerDownStory">
<PointerDownThemeAnimation TargetName="MyRectangle" />
</Storyboard>
<Storyboard x:Name="PointerUpStory">
<PointerUpThemeAnimation TargetName="MyRectangle" />
</Storyboard>
<Style TargetType="Rectangle">
<Setter Property="Width" Value="300" />
<Setter Property="Height" Value="200" />
<Setter Property="Fill" Value="White" />
</Style>
</Grid.Resources>
<Rectangle x:Name="MyRectangle"
PointerPressed="Grid_PointerPressed"
PointerReleased="Grid_PointerReleased" />
</Grid>
代码隐藏
private void Grid_PointerPressed(object sender, PointerRoutedEventArgs e)
{
this.MyRectangle.Projection = new PlaneProjection();
PointerDownStory.Begin();
}
private void Grid_PointerReleased(object sender, PointerRoutedEventArgs e)
{
PointerUpStory.Begin();
}
这就是this.MyRectangle.Projection = new PlaneProjection();
你应该注意到的。 这是您原始代码中唯一真正的变化。 好像PointerUpThemeAnimation
无意中破坏了PlaneProjection
。 如果PointerDownThemeAnimation
将重新创建它,那PointerDownThemeAnimation
了。
祝你好运!
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