本文介绍了[Windows Phone 8] Scrollviewer中的Textblock变得模糊的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有一个包含一个文本块的scrollviewer。
它们包含在一个弹出窗口中，弹出窗口有一个动画。
问题是文本块的内容变得模糊。我尝试了一切...我试图聚焦一个物体（scrollviewer），我试图改变不透明度等等......没有任何改变。
I've a scrollviewer that contains one textblock.
They are contained inside a popup and the popup has an animation.
The problem is that the content of the textblock, gets blurry. I tried everything... i tried to Focus an object (scrollviewer), i tried to change the opacity, etc... Nothing changed.
我该怎么办？
如果您需要一些XAML和C＃代码样本，请询问。
谢谢。
What can i do?
If you need some XAML and C# code samples ask please.
Thank you.
Popup（XAML） ：
Popup (XAML):
<Popup x:Name="PopupChoosePEProjChoise"
IsHitTestVisible="True"
IsOpen="{Binding PopupProjChoise}">
<StackPanel Width="480"
Height="800"
Background="Transparent"
Tap="stackPanelProjChoise_Tap_1">
<StackPanel x:Name="stackPanelProjChoise"
Width="400"
Opacity="0.9"
Margin="0,235,0,0"
RenderTransformOrigin="0.5,0.5">
<StackPanel.RenderTransform>
<CompositeTransform/>
</StackPanel.RenderTransform>
<i:Interaction.Triggers>
<i:EventTrigger EventName="Tap">
<cmd:EventToCommand Command="{Binding ClosePopupOnScreenTap}"/>
</i:EventTrigger>
</i:Interaction.Triggers>
<Border Padding="15"
Background="#FF0B0E25"
BorderBrush="#FF314F7A"
CornerRadius="20"
BorderThickness="5">
<StackPanel HorizontalAlignment="Center"
VerticalAlignment="Center">
<TextBlock Text="Select the project to edit." />
<ScrollViewer MaxHeight="400">
<ListBox Width="340"
BorderBrush="Transparent"
BorderThickness="0"
x:Name="lbEditProject"
Tap="lbDeleteProject_Tap_1"
ItemsSource="{Binding FullProjectsList}"
SelectedItem="{Binding ChoiseSelectedProj, Mode=TwoWay}"
Foreground="White"
ItemContainerStyle="{StaticResource ChooseProjectListboxPickerTemplate}">
</ListBox>
</ScrollViewer>
<StackPanel VerticalAlignment="Bottom"
Orientation="Horizontal">
<Button BorderBrush="Transparent"
BorderThickness="0"
Content="Edit Project"
Background="#FF314F7A"
toolkit:TiltEffect.IsTiltEnabled="True"
FontSize="20"
Width="360"
Margin="0,10,65,0"
Command="{Binding ToEditProjectCommand}">
<Button.Template>
<ControlTemplate>
<Border CornerRadius="20"
Background="#FF22425D"
Padding="5">
<ContentPresenter HorizontalAlignment="Center"
VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Button.Template>
</Button>
</StackPanel>
</StackPanel>
</Border>
</StackPanel>
</StackPanel>
</Popup>列表框模板（XAML）：
Listbox Template (XAML):
<Style x:Key="ChooseProjectListboxPickerTemplate" TargetType="ListBoxItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Border x:Name="Content"
Padding="3"
Background="Transparent"
Margin="0,15,0,0">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="MouseOver"/>
</VisualStateGroup>
<VisualStateGroup x:Name="SelectionStates">
<VisualState x:Name="Unselected">
<Storyboard>
<ColorAnimation Duration="0"
To="Transparent"
Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"
Storyboard.TargetName="Content"/>
</Storyboard>
</VisualState>
<VisualState x:Name="Selected">
<Storyboard>
<ColorAnimation Duration="0"
To="#FF2B67AE"
Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"
Storyboard.TargetName="Content"/>
<DoubleAnimationUsingKeyFrames Storyboard.TargetName="Content"
Storyboard.TargetProperty="Opacity"
>
<EasingDoubleKeyFrame KeyTime="0:0:0.6"
Value="0.5"/>
<EasingDoubleKeyFrame KeyTime="0:0:1"
Value="1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="SelectedUnfocused">
<Storyboard>
<ColorAnimation Duration="0"
To="#FF2B67AE"
Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"
Storyboard.TargetName="Content"/>
<DoubleAnimationUsingKeyFrames Storyboard.TargetName="Content"
Storyboard.TargetProperty="Opacity"
>
<EasingDoubleKeyFrame KeyTime="0:0:0.6"
Value="0.5"/>
<EasingDoubleKeyFrame KeyTime="0:0:1"
Value="1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0.5*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="auto" />
</Grid.RowDefinitions>
<TextBlock Text="Name:"
Opacity="0.6"
Grid.Column="0"
Grid.Row="0"
FontSize="21"/>
<TextBlock Text="{Binding Name}"
Grid.Column="1"
Grid.Row="0"
FontSize="21"/>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>动画（XAML）：
<Storyboard x:Name="PopupChooseProjAnimation">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)"
Storyboard.TargetName="stackPanelProjChoise">
<EasingDoubleKeyFrame KeyTime="0" Value="-411"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="0"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Name="PopupChooseProjAnimationInvert">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)"
Storyboard.TargetName="stackPanelProjChoise">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="-411"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>开始动画（代码隐藏C＃）：
Start Animation (Code-behind C#):
private void Button_Click_2(object sender, RoutedEventArgs e)
{
if (ProjectsList.Items.Count > 0)
{
editing = true;
SetBackContentOpacityAlternative();
PopupChoosePEProjChoise.IsOpen = true;
PopupChooseProjAnimation.Begin();
}
else
MessageBox.Show("There isn't projects to edit.", "Error: No projects", MessageBoxButton.OK);
}结束动画（代码隐藏C＃）：
End Animation (Code-behind C#):
private void stackPanelProjChoise_Tap_1(object sender, System.Windows.Input.GestureEventArgs e)
{
if (openingdeletefunc == false)
{
PopupChooseProjAnimationInvert.Completed += (s, ev) =>
{
editing = false;
SetBackContentOpacityNormal();
PopupChoosePEProjChoise.IsOpen = false;
ProjectsList.SelectedItem = null;
};
PopupChooseProjAnimationInvert.Begin();
}
openingdeletefunc = false;
}
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