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C# 为什么我的用户控件使Visual Studio崩溃？

c# windows-phone-7 xaml

C# 为什么我的用户控件使Visual Studio崩溃？,c#,windows-phone-7,xaml,user-controls,C#,Windows Phone 7,Xaml,User Controls,我花了一整天的时间试图弄明白为什么这个用户控件会使VS2010（WindowsPhone7.1开发）崩溃。应用程序运行此控件没有问题，但当我在MainPage.xaml-VS-crash中进入设计模式时 <UserControl x:Class="blabla.Controls.Tile" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.mic

我花了一整天的时间试图弄明白为什么这个用户控件会使VS2010（WindowsPhone7.1开发）崩溃。应用程序运行此控件没有问题，但当我在MainPage.xaml-VS-crash中进入设计模式时

<UserControl x:Class="blabla.Controls.Tile"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}">

    <UserControl.Resources>
        <Storyboard x:Name="SwitchSidesAnimation">
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Projection).(PlaneProjection.RotationX)" Storyboard.TargetName="FrontSide">
                <EasingDoubleKeyFrame KeyTime="0" Value="0"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="90"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="90"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause1" KeyTime="0:0:6" Value="-90"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause2" KeyTime="0:0:6.2" Value="-90"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause3" KeyTime="0:0:6.4" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause4" KeyTime="0:0:12" Value="0"/>
            </DoubleAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Projection).(PlaneProjection.RotationX)" Storyboard.TargetName="BackSide">
                <EasingDoubleKeyFrame KeyTime="0" Value="-90"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="-90"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause5" KeyTime="0:0:6" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause6" KeyTime="0:0:6.2" Value="90"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause7" KeyTime="0:0:6.4" Value="90"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause8" KeyTime="0:0:12" Value="90"/>
            </DoubleAnimationUsingKeyFrames>
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="FrontSide">
                <DiscreteObjectKeyFrame KeyTime="0:0:0.2">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
                <DiscreteObjectKeyFrame KeyTime="0:0:0.4">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Collapsed</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
                <DiscreteObjectKeyFrame x:Name="MoveThisForPause9" KeyTime="0:0:6">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
                <DiscreteObjectKeyFrame x:Name="MoveThisForPause10" KeyTime="0:0:6.4">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
                <DiscreteObjectKeyFrame x:Name="MoveThisForPause11" KeyTime="0:0:12">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
            </ObjectAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateX)" Storyboard.TargetName="FrontSide">
                <EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause12" KeyTime="0:0:6" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause13" KeyTime="0:0:6.2" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause14" KeyTime="0:0:6.4" Value="0"/>
                <EasingDoubleKeyFrame x:Name="MoveThisForPause15" KeyTime="0:0:12" Value="0"/>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
    </UserControl.Resources>

    <Grid x:Name="LayoutRoot">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="1*" />
        </Grid.RowDefinitions>

        <!-- Front side -->
        <Grid x:Name="FrontSide" Grid.Column="0" Grid.Row="0"
              Background="{Binding FrontBackground}">
            <Image Source="{Binding FrontImage}" />
        </Grid>
        <!-- /Front side -->

        <!-- Back side -->
        <Grid x:Name="BackSide" Grid.Column="0" Grid.Row="0"
              Background="{Binding BackBackground}">
            <Grid.Projection>
                <PlaneProjection RotationX="-90" />
            </Grid.Projection>
            <Image Source="{Binding BackImage}" />
        </Grid>
        <!-- /Back side -->
    </Grid>
</UserControl>


看得见的
崩溃
看得见的
看得见的
看得见的
现在是代码

namespace blabla.Controls
{
    public partial class Tile : UserControl
    {
        /// <summary>
        /// Defines if the tile has two sides.
        /// </summary>
        public bool IsTwoSided
        {
            get { return (bool)GetValue(IsTwoSidedProperty); }
            set
            {
                SetValue(IsTwoSidedProperty, value);

                this.startAnimations();
            }
        }

        /// <summary>
        /// Image that will be displayed on front side.
        /// </summary>
        public BitmapImage FrontImage
        {
            get { return (BitmapImage)GetValue(FrontImageProperty); }
            set { SetValue(FrontImageProperty, value); }
        }

        /// <summary>
        /// Image that ill be displayed on back side.
        /// </summary>
        public BitmapImage BackImage
        {
            get { return (BitmapImage)GetValue(BackImageProperty); }
            set { SetValue(BackImageProperty, value); }
        }

        /// <summary>
        /// Brush that will be used as background for front side.
        /// </summary>
        public Brush FrontBackground
        {
            get { return (Brush)GetValue(FrontBackgroundProperty); }
            set { SetValue(FrontBackgroundProperty, value); }
        }

        /// <summary>
        /// Brush that will be used as background for back side.
        /// </summary>
        public Brush BackBackground
        {
            get { return (Brush)GetValue(BackBackgroundProperty); }
            set { SetValue(BackBackgroundProperty, value); }
        }

        ///////////////////////////////////////////////////////////////////////////////////////////////////////

        public static readonly DependencyProperty IsTwoSidedProperty =
            DependencyProperty.Register("IsTwoSided", typeof(bool), typeof(Tile), new PropertyMetadata(false));

        public static readonly DependencyProperty FrontImageProperty =
            DependencyProperty.Register("FrontImage", typeof(BitmapImage), typeof(Tile), new PropertyMetadata(null));

        public static readonly DependencyProperty BackImageProperty =
            DependencyProperty.Register("BackImage", typeof(BitmapImage), typeof(Tile), new PropertyMetadata(null));

        public static readonly DependencyProperty FrontBackgroundProperty =
            DependencyProperty.Register("FrontBackground", typeof(Brush), typeof(Tile),
            new PropertyMetadata(new SolidColorBrush((Color)Application.Current.Resources["PhoneAccentColor"])));

        public static readonly DependencyProperty BackBackgroundProperty =
            DependencyProperty.Register("BackBackground", typeof(Brush), typeof(Tile),
            new PropertyMetadata(new SolidColorBrush((Color)Application.Current.Resources["PhoneAccentColor"])));

        ///////////////////////////////////////////////////////////////////////////////////////////////////////

        public Tile()
        {
            InitializeComponent();
            this.LayoutRoot.DataContext = this;
        }

        ///////////////////////////////////////////////////////////////////////////////////////////////////////

        /// <summary>
        /// Modifies animation frames' KeyTime to adjust time for new timing.
        /// <param name="pauseTime">Lenght of the pause.</param>
        /// </summary>
        private void setPauses(TimeSpan pauseTime)
        {
            // Sets pauses.
            EasingDoubleKeyFrame frameToModify;

            for(int i = 0; true; i++)
            {
                if(this.FindName("MoveThisForPause" + i) != null)
                {
                    frameToModify = (EasingDoubleKeyFrame)this.FindName("MoveThisForPause" + i);
                    frameToModify.KeyTime = KeyTime.FromTimeSpan(frameToModify.KeyTime.TimeSpan - TimeSpan.FromSeconds(5) + pauseTime);
                }
                else
                {
                    break;
                }
            }
        }

        /// <summary>
        /// Starts animations.
        /// </summary>
        /// <param name="beginTime">Usually delay before first-time animation.</param>
        private void startAnimations()
        {
            // We start animations only if the tile is two sided.
            if(this.IsTwoSided)
            {
                // Stopping previous animation.
                this.SwitchSidesAnimation.Stop();

                // Sets correct pauses.
                this.setPauses(TimeSpan.FromSeconds(new Random().Next(5, 10)));

                // Starts animation.
                this.SwitchSidesAnimation.BeginTime = TimeSpan.FromSeconds(new Random().Next(2, 15));
                this.SwitchSidesAnimation.RepeatBehavior = RepeatBehavior.Forever;
                this.SwitchSidesAnimation.Begin();
            }
            else
            {
                this.SwitchSidesAnimation.Stop();
            }
        }
    }
}

名称空间blabla.Controls
{
公共部分类磁贴：UserControl
{
/// 
///定义平铺是否有两面。
/// 
公共场所
{
获取{return（bool）GetValue（IsTwoSidedProperty）；}
设置
{
设置值（IsTwoSidedProperty，value）；
这个.startAnimations（）；
}
}
/// 
///将显示在正面的图像。
/// 
公共位图图像FrontImage
{
获取{return（BitmapImage）GetValue（FrontImageProperty）；}
set{SetValue（FrontImageProperty，value）；}
}
/// 
///将在背面显示的图像。
/// 
公共位图图像背景图像
{
获取{return（BitmapImage）GetValue（BackImageProperty）；}
set{SetValue（BackImageProperty，value）；}
}
/// 
///将用作正面背景的笔刷。
/// 
公共画笔正面背景
{
获取{return（Brush）GetValue（FrontBackgroundProperty）；}
set{SetValue（FrontBackgroundProperty，value）；}
}
/// 
///将用作背面背景的笔刷。
/// 
公共灌木丛背景
{
获取{return（Brush）GetValue（backbackbackgroundproperty）；}
set{SetValue（BackBackgroundProperty，value）；}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
public static readonly dependencProperty是WoSidedProperty=
DependencyProperty.Register（“IsTwoSided”、typeof（bool）、typeof（Tile）、new PropertyMetadata（false））；
公共静态只读从属属性FrontImageProperty=
DependencyProperty.Register（“FrontImage”、typeof（BitmapImage）、typeof（Tile）、new PropertyMetadata（null））；
公共静态只读DependencyProperty BackImageProperty=
DependencyProperty.Register（“BackImage”、typeof（BitmapImage）、typeof（Tile）、new PropertyMetadata（null））；
公共静态只读从属属性FrontBackgroundProperty=
从属属性寄存器（“前背景”、类型（画笔）、类型（瓷砖），
新的PropertyMetadata（新的SolidColorBrush（（Color）Application.Current.Resources[“PhoneAccentColor]”）；
公共静态只读从属属性BackBackBackgroundProperty=
从属属性寄存器（“背景”、类型（刷子）、类型（瓷砖），
新的PropertyMetadata（新的SolidColorBrush（（Color）Application.Current.Resources[“PhoneAccentColor]”）；
///////////////////////////////////////////////////////////////////////////////////////////////////////
公共瓷砖（）
{
初始化组件（）；
this.LayoutRoot.DataContext=this；
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
/// 
///修改动画帧的关键帧时间以调整新计时的时间。
///停顿的时间。
/// 
私有void setPauses（TimeSpan pauseTime）
{
//设置暂停。
测量双关键帧帧以进行修改；
for（int i=0；true；i++）
{
if（this.FindName（“MoveThisForPause”+i）！=null）
{
frameToModify=（EasingDoubleKeyFrame）this.FindName（“MoveThisForPause”+i）；
frameToModify.KeyTime=KeyTime.FromTimeSpan（frameToModify.KeyTime.TimeSpan-TimeSpan.FromSeconds（5）+暂停时间）；
}
其他的
{
打破
}
}
}
/// 
///启动动画。
/// 
///通常在第一次动画之前延迟。
私有void startAnimations（）
{
//我们只在平铺是双面的情况下启动动画。
如果（这是双面的）
{
//停止上一个动画。
这个.SwitchSidesAnimation.Stop（）；
//设置正确的暂停。
this.setPauses（TimeSpan.FromSeconds（new Random（）.Next（5,10））；
//启动动画。
this.SwitchSidesAnimation.BeginTime=TimeSpan.FromSeconds（new Random（）.Next（2,15））；

    public static readonly DependencyProperty FrontBackgroundProperty =
        DependencyProperty.Register("FrontBackground", typeof(Brush), typeof(Tile),
        new PropertyMetadata(new SolidColorBrush((Color)Application.Current.Resources["PhoneAccentColor"])));

    public static readonly DependencyProperty BackBackgroundProperty =
        DependencyProperty.Register("BackBackground", typeof(Brush), typeof(Tile),
        new PropertyMetadata(new SolidColorBrush((Color)Application.Current.Resources["PhoneAccentColor"])));



    /// <summary>
    /// Defines if the tile has two sides.
    /// </summary>
    public bool IsTwoSided
    {
        get { return (bool)GetValue(IsTwoSidedProperty); }
        set
        {
            SetValue(IsTwoSidedProperty, value);

            this.startAnimations();
        }
    }



    <Storyboard x:Name="SwitchSidesAnimation">



    this.Resources["SwitchSidesAnimation"] as Storyboard



    private Storyboard SwitchSidesAnimation
    {
        get { return this.Resources["SwitchSidesAnimation"] as Storyboard; }
    }



    public static readonly DependencyProperty MyStyleProperty = 
        DependencyProperty.Register(
            "MyStyle",
            typeof(Style), 
            typeof(MainButton), 
            new PropertyMetadata(
                    // using this construct as a default value 
                    // makes VS 2010 SP1 to crush!
                    Application.Current.Resources["SomeStyle"] as Style, 
                    OnPropertyChanged
            )
        );