请问怎么修复海盗王老虎机bug技能bug,就是wp...

www.51yue.net 2012-05-16 标签：海盗王生活技能点

【WP8.1】系统控件的bug及修复方案 - 为程序员服务
【WP8.1】系统控件的bug及修复方案
最近开发的时候，发现Windows Phone 8.1 Runtime中的两个控件的存在bug的情况，现总结出来，并给出解决方案。
1、Hub控件
Hub控件的顶部默认是可以拖动来切换HubSection的：
然而当我们将Hub的Header设置为复杂对象的时候，例如：
&Hub.Header&
&StackPanel Orientation="Horizontal"&
&Image Source="Assets/logo11w.png"
Height="100" /&
&TextBlock Text="谷歌" /&
&/StackPanel&
&/Hub.Header&
&HubSection Header="section 1"
Background="Red" /&
&HubSection Header="section 2"
Background="Green" /&
&HubSection Header="section 3"
Background="Blue" /&
或者使用HeaderTemplate的方式设置：
&Hub.HeaderTemplate&
&DataTemplate&
&StackPanel Orientation="Horizontal"&
&Image Source="Assets/logo11w.png"
Height="100" /&
&TextBlock Text="谷歌" /&
&/StackPanel&
&/DataTemplate&
&/Hub.HeaderTemplate&
&HubSection Header="section 1"
Background="Red" /&
&HubSection Header="section 2"
Background="Green" /&
&HubSection Header="section 3"
Background="Blue" /&
Hub的顶部就再也无法拖动了。
解决方案：重写Hub控件的模板。
以上面设置Header的内容为例，重写Hub的Template如下：
&x:Int32 x:Key="HubHeaderCharacterSpacing"&-22&/x:Int32&
&x:Double x:Key="HubHeaderFontSize"&78&/x:Double&
&FontFamily x:Key="PhoneFontFamilyNormal"&Segoe WP&/FontFamily&
&Thickness x:Key="HubHeaderMarginThickness"&15,1,0,0&/Thickness&
&Style x:Key="HubFixStyle"
TargetType="Hub"&
&Setter Property="Template"&
&Setter.Value&
&ControlTemplate TargetType="Hub"&
&Grid x:Name="HubRoot"&
&Grid.Projection&
&PlaneProjection x:Name="EntranceAnimationProjection" /&
&/Grid.Projection&
&Grid.RowDefinitions&
&RowDefinition Height="auto" /&
&RowDefinition Height="*" /&
&/Grid.RowDefinitions&
&VisualStateManager.VisualStateGroups&
&VisualStateGroup x:Name="BackgroundImageLoadStates"&
&VisualState x:Name="BackgroundHidden"&
&Storyboard&
&FadeOutThemeAnimation Storyboard.TargetName="Background" /&
&/Storyboard&
&/VisualState&
&VisualState x:Name="BackgroundImageFadingIn"&
&Storyboard&
&FadeInThemeAnimation Storyboard.TargetName="Background" /&
&/Storyboard&
&/VisualState&
&VisualState x:Name="BackgroundShowing"&
&Storyboard&
&DoubleAnimation To="1"
Storyboard.TargetProperty="Opacity"
Storyboard.TargetName="Background" /&
&/Storyboard&
&/VisualState&
&/VisualStateGroup&
&/VisualStateManager.VisualStateGroups&
&Canvas Grid.RowSpan="2"&
&Canvas.Clip&
&RectangleGeometry x:Name="BackgroundClipRect" /&
&/Canvas.Clip&
&Grid x:Name="Background"&
&Grid.RenderTransform&
&CompositeTransform x:Name="BackgroundParallaxTransform" /&
&/Grid.RenderTransform&
&Border x:Name="WrapBackground"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Background="{TemplateBinding Background}"&
&Border.RenderTransform&
&CompositeTransform x:Name="WrapBackgroundParallaxTransform" /&
&/Border.RenderTransform&
&Border x:Name="MainBackground"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Background="{TemplateBinding Background}" /&
&ScrollViewer x:Name="ScrollViewer"
HorizontalScrollMode="Auto"
HorizontalSnapPointsType="None"
HorizontalAlignment="Left"
HorizontalScrollBarVisibility="Hidden"
Grid.RowSpan="2"
Template="{StaticResource ScrollViewerScrollBarlessTemplate}"
VerticalScrollBarVisibility="Disabled"
VerticalScrollMode="Disabled"
ZoomMode="Disabled"&
&ItemsStackPanel x:Name="Panel"
CacheLength="6"
Orientation="{TemplateBinding Orientation}" /&
&/ScrollViewer&
&Canvas Grid.Row="0"&
&Canvas.Clip&
&RectangleGeometry x:Name="HeaderClipRect" /&
&/Canvas.Clip&
&ContentControl x:Name="HeaderHost"
CharacterSpacing="{StaticResource HubHeaderCharacterSpacing}"
ContentTemplate="{TemplateBinding HeaderTemplate}"
FontWeight="Light"
FontSize="{StaticResource HubHeaderFontSize}"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
Margin="{StaticResource HubHeaderMarginThickness}"&
&ContentControl.RenderTransform&
&TransformGroup&
&CompositeTransform x:Name="HeaderParallaxTransform" /&
&TranslateTransform x:Name="HeaderFlyinFlyoutTransform" /&
&/TransformGroup&
&/ContentControl.RenderTransform&
&ContentControl.Content&
&StackPanel Orientation="Horizontal"&
&Image Source="Assets/logo11w.png"
Height="100" /&
&ContentPresenter Content="{TemplateBinding Header}" /&
&/StackPanel&
&/ContentControl.Content&
&/ContentControl&
&/ControlTemplate&
&/Setter.Value&
Hub的Header解决方案
2、Image控件
如果同一时间有多个Image控件进行加载网络图像的话，那么有部分将会加载失败。
这里先列出测试的数据源：
"/az/hprichbg/rb/DragonFlyBeijing_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MidAutumnFestivalHongKong_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MusulmokBeach_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BetulaVerrucosa_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HoluhraunVolcano_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SouthernElephantSeal_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/YokoteKamakura_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SpottedLakeCanada_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/StKildaBay_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SellinPier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/RNPFogVideo_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/PaperFansRedLanterns_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NinthEmperorGodTemple_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/ChineseDecorationTiger_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearPinwheels_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearOrnaments_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/DadaochengFireworks_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SummerVacation_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/InsideRhoneGlacier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BodleianLibrary_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HeartNebula_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HotAndCold_ZH-CN_150x150.jpg"
测试数据源
来自每天的必应壁纸，将大小选定为150×150排除由于过大而导致失败的因素，并且在150×150下，每幅图像均只有几kb。
测试前台XAML：
&Page x:Class="BugDemo.ImageBugPage"
xmlns="/winfx/2006/xaml/presentation"
xmlns:x="/winfx/2006/xaml"
xmlns:local="using:BugDemo"
xmlns:d="/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"&
&Grid.RowDefinitions&
&RowDefinition Height="Auto" /&
&RowDefinition /&
&/Grid.RowDefinitions&
&Button Content="Load"
Click="BtnLoad_Click" /&
&ListView Grid.Row="1"
x:Name="lvwImage"
Background="Gray"&
&ListView.ItemTemplate&
&DataTemplate&
&Image Width="150"
Height="150"
Source="{Binding}"
ImageFailed="Image_ImageFailed" /&
&/DataTemplate&
&/ListView.ItemTemplate&
&/ListView&
ImageBug前台
using System.D
using Windows.Phone.UI.I
using Windows.UI.X
using Windows.UI.Xaml.C
using Windows.UI.Xaml.N
// &空白页&项模板在 /fwlink/?LinkID=390556 上有介绍
namespace BugDemo
/// &summary&
/// 可用于自身或导航至 Frame 内部的空白页。
/// &/summary&
public sealed partial class ImageBugPage : Page
private string[] _testUrl = new string[]{
"/az/hprichbg/rb/DragonFlyBeijing_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MidAutumnFestivalHongKong_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MusulmokBeach_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BetulaVerrucosa_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HoluhraunVolcano_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SouthernElephantSeal_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/YokoteKamakura_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SpottedLakeCanada_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/StKildaBay_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SellinPier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/RNPFogVideo_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/PaperFansRedLanterns_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NinthEmperorGodTemple_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/ChineseDecorationTiger_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearPinwheels_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearOrnaments_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/DadaochengFireworks_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SummerVacation_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/InsideRhoneGlacier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BodleianLibrary_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HeartNebula_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HotAndCold_ZH-CN_150x150.jpg"
public ImageBugPage()
this.InitializeComponent();
/// &summary&
/// 在此页将要在 Frame 中显示时进行调用。
/// &/summary&
/// ¶m name="e"&描述如何访问此页的事件数据。
/// 此参数通常用于配置页。&/param&
protected override void OnNavigatedTo(NavigationEventArgs e)
HardwareButtons.BackPressed += HardwareButtons_BackP
protected override void OnNavigatedFrom(NavigationEventArgs e)
HardwareButtons.BackPressed -= HardwareButtons_BackP
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
if (Frame.CanGoBack)
e.Handled =
Frame.GoBack();
private void BtnLoad_Click(object sender, RoutedEventArgs e)
lvwImage.ItemsSource = _testU
private void Image_ImageFailed(object sender, ExceptionRoutedEventArgs e)
Debug.WriteLine(e.ErrorMessage);
ImageBug后台
测试效果：
出现了其中一幅无法加载的情况
而我们的调试窗口也显示出了无法加载的信息。
解决方案：捕获到加载失败时，重新设定Image控件的Source属性。
修改上面的后台代码中的ImageFailed方法：
PS：暂时未知win8.1 store app上也是否会出现这个问题，有时间的博友可以帮忙测试一下。
最后附上测试的代码及解决的代码的整个工程：
又一个码农站点
原文地址：, 感谢原作者分享。
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19:43 by h, ... 阅读,
最近开发的时候，发现Windows Phone 8.1 Runtime中的两个控件的存在bug的情况，现总结出来，并给出解决方案。
1、Hub控件
Hub控件的顶部默认是可以拖动来切换HubSection的：
然而当我们将Hub的Header设置为复杂对象的时候，例如：
&Hub.Header&
&StackPanel Orientation="Horizontal"&
&Image Source="Assets/logo11w.png"
Height="100" /&
&TextBlock Text="谷歌" /&
&/StackPanel&
&/Hub.Header&
&HubSection Header="section 1"
Background="Red" /&
&HubSection Header="section 2"
Background="Green" /&
&HubSection Header="section 3"
Background="Blue" /&
或者使用HeaderTemplate的方式设置：
&Hub.HeaderTemplate&
&DataTemplate&
&StackPanel Orientation="Horizontal"&
&Image Source="Assets/logo11w.png"
Height="100" /&
&TextBlock Text="谷歌" /&
&/StackPanel&
&/DataTemplate&
&/Hub.HeaderTemplate&
&HubSection Header="section 1"
Background="Red" /&
&HubSection Header="section 2"
Background="Green" /&
&HubSection Header="section 3"
Background="Blue" /&
Hub的顶部就再也无法拖动了。
解决方案：重写Hub控件的模板。
以上面设置Header的内容为例，重写Hub的Template如下：
&x:Int32 x:Key="HubHeaderCharacterSpacing"&-22&/x:Int32&
&x:Double x:Key="HubHeaderFontSize"&78&/x:Double&
&FontFamily x:Key="PhoneFontFamilyNormal"&Segoe WP&/FontFamily&
&Thickness x:Key="HubHeaderMarginThickness"&15,1,0,0&/Thickness&
&Style x:Key="HubFixStyle"
TargetType="Hub"&
&Setter Property="Template"&
&Setter.Value&
&ControlTemplate TargetType="Hub"&
&Grid x:Name="HubRoot"&
&Grid.Projection&
&PlaneProjection x:Name="EntranceAnimationProjection" /&
&/Grid.Projection&
&Grid.RowDefinitions&
&RowDefinition Height="auto" /&
&RowDefinition Height="*" /&
&/Grid.RowDefinitions&
&VisualStateManager.VisualStateGroups&
&VisualStateGroup x:Name="BackgroundImageLoadStates"&
&VisualState x:Name="BackgroundHidden"&
&Storyboard&
&FadeOutThemeAnimation Storyboard.TargetName="Background" /&
&/Storyboard&
&/VisualState&
&VisualState x:Name="BackgroundImageFadingIn"&
&Storyboard&
&FadeInThemeAnimation Storyboard.TargetName="Background" /&
&/Storyboard&
&/VisualState&
&VisualState x:Name="BackgroundShowing"&
&Storyboard&
&DoubleAnimation To="1"
Storyboard.TargetProperty="Opacity"
Storyboard.TargetName="Background" /&
&/Storyboard&
&/VisualState&
&/VisualStateGroup&
&/VisualStateManager.VisualStateGroups&
&Canvas Grid.RowSpan="2"&
&Canvas.Clip&
&RectangleGeometry x:Name="BackgroundClipRect" /&
&/Canvas.Clip&
&Grid x:Name="Background"&
&Grid.RenderTransform&
&CompositeTransform x:Name="BackgroundParallaxTransform" /&
&/Grid.RenderTransform&
&Border x:Name="WrapBackground"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Background="{TemplateBinding Background}"&
&Border.RenderTransform&
&CompositeTransform x:Name="WrapBackgroundParallaxTransform" /&
&/Border.RenderTransform&
&Border x:Name="MainBackground"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Background="{TemplateBinding Background}" /&
&ScrollViewer x:Name="ScrollViewer"
HorizontalScrollMode="Auto"
HorizontalSnapPointsType="None"
HorizontalAlignment="Left"
HorizontalScrollBarVisibility="Hidden"
Grid.RowSpan="2"
Template="{StaticResource ScrollViewerScrollBarlessTemplate}"
VerticalScrollBarVisibility="Disabled"
VerticalScrollMode="Disabled"
ZoomMode="Disabled"&
&ItemsStackPanel x:Name="Panel"
CacheLength="6"
Orientation="{TemplateBinding Orientation}" /&
&/ScrollViewer&
&Canvas Grid.Row="0"&
&Canvas.Clip&
&RectangleGeometry x:Name="HeaderClipRect" /&
&/Canvas.Clip&
&ContentControl x:Name="HeaderHost"
CharacterSpacing="{StaticResource HubHeaderCharacterSpacing}"
ContentTemplate="{TemplateBinding HeaderTemplate}"
FontWeight="Light"
FontSize="{StaticResource HubHeaderFontSize}"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
Margin="{StaticResource HubHeaderMarginThickness}"&
&ContentControl.RenderTransform&
&TransformGroup&
&CompositeTransform x:Name="HeaderParallaxTransform" /&
&TranslateTransform x:Name="HeaderFlyinFlyoutTransform" /&
&/TransformGroup&
&/ContentControl.RenderTransform&
&ContentControl.Content&
&StackPanel Orientation="Horizontal"&
&Image Source="Assets/logo11w.png"
Height="100" /&
&ContentPresenter Content="{TemplateBinding Header}" /&
&/StackPanel&
&/ContentControl.Content&
&/ContentControl&
&/ControlTemplate&
&/Setter.Value&
Hub的Header解决方案
2、Image控件
如果同一时间有多个Image控件进行加载网络图像的话，那么有部分将会加载失败。
这里先列出测试的数据源：
"/az/hprichbg/rb/DragonFlyBeijing_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MidAutumnFestivalHongKong_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MusulmokBeach_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BetulaVerrucosa_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HoluhraunVolcano_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SouthernElephantSeal_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/YokoteKamakura_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SpottedLakeCanada_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/StKildaBay_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SellinPier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/RNPFogVideo_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/PaperFansRedLanterns_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NinthEmperorGodTemple_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/ChineseDecorationTiger_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearPinwheels_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearOrnaments_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/DadaochengFireworks_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SummerVacation_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/InsideRhoneGlacier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BodleianLibrary_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HeartNebula_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HotAndCold_ZH-CN_150x150.jpg"
测试数据源
来自每天的必应壁纸，将大小选定为150x150排除由于过大而导致失败的因素，并且在150x150下，每幅图像均只有几kb。
测试前台XAML：
1 &Page x:Class="BugDemo.ImageBugPage"
xmlns="/winfx/2006/xaml/presentation"
xmlns:x="/winfx/2006/xaml"
xmlns:local="using:BugDemo"
xmlns:d="/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"&
&Grid.RowDefinitions&
&RowDefinition Height="Auto" /&
&RowDefinition /&
&/Grid.RowDefinitions&
&Button Content="Load"
Click="BtnLoad_Click" /&
&ListView Grid.Row="1"
x:Name="lvwImage"
Background="Gray"&
&ListView.ItemTemplate&
&DataTemplate&
&Image Width="150"
Height="150"
Source="{Binding}"
ImageFailed="Image_ImageFailed" /&
&/DataTemplate&
&/ListView.ItemTemplate&
&/ListView&
29 &/Page&
ImageBug前台
1 using System.D
2 using Windows.Phone.UI.I
3 using Windows.UI.X
4 using Windows.UI.Xaml.C
5 using Windows.UI.Xaml.N
7 // &空白页&项模板在 /fwlink/?LinkID=390556 上有介绍
9 namespace BugDemo
/// &summary&
/// 可用于自身或导航至 Frame 内部的空白页。
/// &/summary&
public sealed partial class ImageBugPage : Page
private string[] _testUrl = new string[]{
"/az/hprichbg/rb/DragonFlyBeijing_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MidAutumnFestivalHongKong_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/MusulmokBeach_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BetulaVerrucosa_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HoluhraunVolcano_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SouthernElephantSeal_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/YokoteKamakura_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SpottedLakeCanada_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/StKildaBay_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SellinPier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/RNPFogVideo_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/PaperFansRedLanterns_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NinthEmperorGodTemple_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/ChineseDecorationTiger_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearPinwheels_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/NewYearOrnaments_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/DadaochengFireworks_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/SummerVacation_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/InsideRhoneGlacier_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/BodleianLibrary_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HeartNebula_ZH-CN_150x150.jpg",
"/az/hprichbg/rb/HotAndCold_ZH-CN_150x150.jpg"
public ImageBugPage()
this.InitializeComponent();
/// &summary&
/// 在此页将要在 Frame 中显示时进行调用。
/// &/summary&
/// ¶m name="e"&描述如何访问此页的事件数据。
/// 此参数通常用于配置页。&/param&
protected override void OnNavigatedTo(NavigationEventArgs e)
HardwareButtons.BackPressed += HardwareButtons_BackP
protected override void OnNavigatedFrom(NavigationEventArgs e)
HardwareButtons.BackPressed -= HardwareButtons_BackP
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
if (Frame.CanGoBack)
e.Handled = true;
Frame.GoBack();
private void BtnLoad_Click(object sender, RoutedEventArgs e)
lvwImage.ItemsSource = _testU
private void Image_ImageFailed(object sender, ExceptionRoutedEventArgs e)
Debug.WriteLine(e.ErrorMessage);
ImageBug后台
测试效果：
出现了其中一幅无法加载的情况
而我们的调试窗口也显示出了无法加载的信息。
解决方案：捕获到加载失败时，重新设定Image控件的Source属性。
修改上面的后台代码中的ImageFailed方法：
PS：暂时未知win8.1 store app上也是否会出现这个问题，有时间的博友可以帮忙测试一下。
最后附上测试的代码及解决的代码的整个工程：

参考资料

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