'System.Windows.Markup.StaticResourceHolder' पर मूल्य एक अपवाद

Question

मैं http://blogs.microsoft.co.il/blogs/justguy/archive/2009/01/19/wpf-combobox-with-checkboxes-as-items-it-will-even-update-on-the-fly.aspx?CommentPosted=true#commentmessage

उदाहरण का उपयोग कर रहा ही बता गया अल्पविराम से अलग में चुने गए आइटम दिखाने के लिए फेंक दिया प्रदान करें।

लेकिन जब मैं wpfform में UserControl इस्तेमाल करने की कोशिश मैं इस अपवाद हो रही है

System.Windows.Markup.XamlParseException was unhandled 
Message=Provide value on 'System.Windows.Markup.StaticResourceHolder' threw an exception. 
Source=PresentationFramework 
LineNumber=0 
LinePosition=0 
StackTrace: 
    at System.Windows.Markup.XamlReader.RewrapException(Exception e, Uri baseUri) 
    at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter) 
    at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlObjectWriter objectWriter) 
    at System.Windows.FrameworkTemplate.LoadOptimizedTemplateContent(DependencyObject container, IComponentConnector componentConnector, IStyleConnector styleConnector, List`1 affectedChildren, UncommonField`1 templatedNonFeChildrenField) 
    at System.Windows.FrameworkTemplate.LoadContent(DependencyObject container, List`1 affectedChildren) 
    at System.Windows.StyleHelper.ApplyTemplateContent(UncommonField`1 dataField, DependencyObject container, FrameworkElementFactory templateRoot, Int32 lastChildIndex, HybridDictionary childIndexFromChildID, FrameworkTemplate frameworkTemplate) 
    at System.Windows.FrameworkTemplate.ApplyTemplateContent(UncommonField`1 templateDataField, FrameworkElement container) 
    at System.Windows.FrameworkElement.ApplyTemplate() 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint) 
    at System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at System.Windows.Controls.Border.MeasureOverride(Size constraint) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at System.Windows.Controls.Control.MeasureOverride(Size constraint) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint) 
    at System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at System.Windows.Documents.AdornerDecorator.MeasureOverride(Size constraint) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at System.Windows.Controls.Border.MeasureOverride(Size constraint) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at System.Windows.Window.MeasureOverrideHelper(Size constraint) 
    at System.Windows.Window.MeasureOverride(Size availableSize) 
    at System.Windows.FrameworkElement.MeasureCore(Size availableSize) 
    at System.Windows.UIElement.Measure(Size availableSize) 
    at System.Windows.Interop.HwndSource.SetLayoutSize() 
    at System.Windows.Interop.HwndSource.set_RootVisualInternal(Visual value) 
    at System.Windows.Interop.HwndSource.set_RootVisual(Visual value) 
    at System.Windows.Window.SetRootVisual() 
    at System.Windows.Window.SetRootVisualAndUpdateSTC() 
    at System.Windows.Window.SetupInitialState(Double requestedTop, Double requestedLeft, Double requestedWidth, Double requestedHeight) 
    at System.Windows.Window.CreateSourceWindow(Boolean duringShow) 
    at System.Windows.Window.CreateSourceWindowDuringShow() 
    at System.Windows.Window.SafeCreateWindowDuringShow() 
    at System.Windows.Window.ShowHelper(Object booleanBox) 
    at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) 
    at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler) 
    at System.Windows.Threading.DispatcherOperation.InvokeImpl() 
    at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state) 
    at System.Threading.ExecutionContext.runTryCode(Object userData) 
    at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData) 
    at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) 
    at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) 
    at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) 
    at System.Windows.Threading.DispatcherOperation.Invoke() 
    at System.Windows.Threading.Dispatcher.ProcessQueue() 
    at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) 
    at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) 
    at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) 
    at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) 
    at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler) 
    at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs) 
    at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) 
    at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) 
    at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) 
    at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame) 
    at System.Windows.Threading.Dispatcher.Run() 
    at System.Windows.Application.RunDispatcher(Object ignore) 
    at System.Windows.Application.RunInternal(Window window) 
    at System.Windows.Application.Run(Window window) 
    at System.Windows.Application.Run() 
    at CheckboxInComboboxWpf.App.Main() in C:\test\CheckboxInComboboxWpf\CheckboxInComboboxWpf\obj\x86\Debug\App.g.cs:line 0 
    at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args) 
    at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) 
    at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() 
    at System.Threading.ThreadHelper.ThreadStart_Context(Object state) 
    at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) 
    at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) 
    at System.Threading.ThreadHelper.ThreadStart() 
    InnerException: 
    Message=Cannot find resource named 'SolidBorderBrush'. Resource names are case sensitive. 
    Source=PresentationFramework 
    StackTrace: 
     at System.Windows.StaticResourceExtension.ProvideValueInternal(IServiceProvider serviceProvider, Boolean allowDeferredReference) 
     at System.Windows.StaticResourceExtension.ProvideValue(IServiceProvider serviceProvider) 
     at MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider) 
    InnerException: 

Answer 1

यदि आप एक Xaml जो मौजूद नहीं है में एक कनवर्टर निर्दिष्ट किया है कृपया जांच करें।

Answer 2

मैं इस सटीक समस्या पर ठोकर खा गया था। XAML फ़ाइल में कोई समस्या है। SolidBorderBrush एक्सएएमएल से गायब है। इसे जोड़कर, नमूना ठीक काम करता है।

<SolidColorBrush x:Key="SolidBorderBrush" Color="#000" /> 

बोलो XAML फ़ाइल की पूरी सामग्री का पालन करता है।

<UserControl x:Class="Controls.ComboWithCheckboxes" 
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
Height="22" Width="120" 
x:Name="UserControl" 
> 

<UserControl.Resources> 
    <LinearGradientBrush x:Key="NormalBrush" StartPoint="0,0" EndPoint="0,1"> 
     <GradientBrush.GradientStops> 
      <GradientStopCollection> 
       <GradientStop Color="#FFF" Offset="0.0"/> 
       <GradientStop Color="#CCC" Offset="1.0"/> 
      </GradientStopCollection> 
     </GradientBrush.GradientStops> 
    </LinearGradientBrush> 

    <LinearGradientBrush x:Key="NormalBorderBrush" StartPoint="0,0" EndPoint="0,1"> 
     <GradientBrush.GradientStops> 
      <GradientStopCollection> 
       <GradientStop Color="#CCC" Offset="0.0"/> 
       <GradientStop Color="#444" Offset="1.0"/> 
      </GradientStopCollection> 
     </GradientBrush.GradientStops> 
    </LinearGradientBrush> 

    <SolidColorBrush x:Key="GlyphBrush" Color="#444" /> 

    <LinearGradientBrush x:Key="DarkBrush" StartPoint="0,0" EndPoint="0,1"> 
     <GradientBrush.GradientStops> 
      <GradientStopCollection> 
       <GradientStop Color="#FFF" Offset="0.0"/> 
       <GradientStop Color="#AAA" Offset="1.0"/> 
      </GradientStopCollection> 
     </GradientBrush.GradientStops> 
    </LinearGradientBrush> 

    <LinearGradientBrush x:Key="PressedBrush" StartPoint="0,0" EndPoint="0,1"> 
     <GradientBrush.GradientStops> 
      <GradientStopCollection> 
       <GradientStop Color="#BBB" Offset="0.0"/> 
       <GradientStop Color="#EEE" Offset="0.1"/> 
       <GradientStop Color="#EEE" Offset="0.9"/> 
       <GradientStop Color="#FFF" Offset="1.0"/> 
      </GradientStopCollection> 
     </GradientBrush.GradientStops> 
    </LinearGradientBrush> 

    <SolidColorBrush x:Key="SolidBorderBrush" Color="#000" /> 

    <SolidColorBrush x:Key="DisabledForegroundBrush" Color="#888" /> 

    <SolidColorBrush x:Key="DisabledBackgroundBrush" Color="#EEE" /> 

    <SolidColorBrush x:Key="WindowBackgroundBrush" Color="#FFF" /> 

    <SolidColorBrush x:Key="SelectedBackgroundBrush" Color="#DDD" /> 

    <ControlTemplate x:Key="ComboBoxToggleButton" TargetType="ToggleButton"> 
     <Grid> 
      <Grid.ColumnDefinitions> 
       <ColumnDefinition /> 
       <ColumnDefinition Width="20" /> 
      </Grid.ColumnDefinitions> 
      <Border 
       x:Name="Border" 
       Grid.ColumnSpan="2" 
       CornerRadius="2" 
       Background="{StaticResource NormalBrush}" 
       BorderBrush="{StaticResource NormalBorderBrush}" 
       BorderThickness="1" /> 
      <Border 
       Grid.Column="0" 
       CornerRadius="2,0,0,2" 
       Margin="1" 
       Background="{StaticResource WindowBackgroundBrush}" 
       BorderBrush="{StaticResource NormalBorderBrush}" 
       BorderThickness="0,0,1,0" /> 
      <Path 
       x:Name="Arrow" 
       Grid.Column="1"  
       Fill="{StaticResource GlyphBrush}" 
       HorizontalAlignment="Center" 
       VerticalAlignment="Center" 
       Data="M 0 0 L 4 4 L 8 0 Z"/> 
     </Grid> 
     <ControlTemplate.Triggers> 
      <Trigger Property="ToggleButton.IsMouseOver" Value="true"> 
       <Setter TargetName="Border" Property="Background" Value="{StaticResource DarkBrush}" /> 
      </Trigger> 
      <Trigger Property="ToggleButton.IsChecked" Value="true"> 
       <Setter TargetName="Border" Property="Background" Value="{StaticResource PressedBrush}" /> 
      </Trigger> 
      <Trigger Property="IsEnabled" Value="False"> 
       <Setter TargetName="Border" Property="Background" Value="{StaticResource DisabledBackgroundBrush}" /> 
       <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource DisabledBorderBrush}" /> 
       <Setter Property="Foreground" Value="{StaticResource DisabledForegroundBrush}"/> 
       <Setter TargetName="Arrow" Property="Fill" Value="{StaticResource DisabledForegroundBrush}" /> 
      </Trigger> 
     </ControlTemplate.Triggers> 
    </ControlTemplate> 

    <ControlTemplate x:Key="ComboBoxTextBox" TargetType="TextBox"> 
     <Border x:Name="PART_ContentHost" Focusable="False" Background="{TemplateBinding Background}" /> 
    </ControlTemplate> 

    <Style x:Key="{x:Type ComboBoxItem}" TargetType="ComboBoxItem"> 
     <Setter Property="SnapsToDevicePixels" Value="true"/> 
     <Setter Property="OverridesDefaultStyle" Value="true"/> 
     <Setter Property="Template"> 
      <Setter.Value> 
       <ControlTemplate TargetType="ComboBoxItem"> 
        <Border 
         Name="Border" 
         Padding="2" 
         SnapsToDevicePixels="true"> 
         <ContentPresenter /> 
        </Border> 
        <ControlTemplate.Triggers> 
         <Trigger Property="IsHighlighted" Value="true"> 
          <Setter TargetName="Border" Property="Background" Value="{StaticResource SelectedBackgroundBrush}"/> 
         </Trigger> 
         <Trigger Property="IsEnabled" Value="false"> 
          <Setter Property="Foreground" Value="{StaticResource DisabledForegroundBrush}"/> 
         </Trigger> 
        </ControlTemplate.Triggers> 
       </ControlTemplate> 
      </Setter.Value> 
     </Setter> 
    </Style> 
</UserControl.Resources> 

<ComboBox 
    x:Name="CheckableCombo" 
    SnapsToDevicePixels="True" 
    OverridesDefaultStyle="True" 
    ScrollViewer.HorizontalScrollBarVisibility="Auto" 
    ScrollViewer.VerticalScrollBarVisibility="Auto" 
    ScrollViewer.CanContentScroll="True" 
    IsSynchronizedWithCurrentItem="True" 
    MinWidth="120" 
    MinHeight="20" 
    ItemsSource="{Binding ElementName=UserControl, Path=ItemsSource}" 
    DataContext="{Binding ElementName=UserControl, Path=DataContext}" 
    > 
    <ComboBox.ItemTemplate> 
     <HierarchicalDataTemplate> 
      <CheckBox Content="{Binding Title}" 
         IsChecked="{Binding Path=IsSelected, Mode=TwoWay}" 
         Tag="{RelativeSource FindAncestor, AncestorType={x:Type ComboBox}}" 
         Click="CheckBox_Click" 
         /> 
     </HierarchicalDataTemplate> 
    </ComboBox.ItemTemplate> 

    <ComboBox.Template> 
     <ControlTemplate TargetType="ComboBox"> 
      <Grid> 
       <ToggleButton 
        Name="ToggleButton" 
        Template="{StaticResource ComboBoxToggleButton}" 
        Grid.Column="2" 
        Focusable="false" 
        IsChecked="{Binding Path=IsDropDownOpen,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}" 
        ClickMode="Press"> 
       </ToggleButton> 
       <ContentPresenter 
        x:Name="Presenter" 
        IsHitTestVisible="False" 
        Margin="3,3,23,3" 
        VerticalAlignment="Center" 
        HorizontalAlignment="Left"> 
        <ContentPresenter.Content> 
         <TextBlock TextTrimming="CharacterEllipsis" 
            Text="{Binding Path=Text,Mode=TwoWay,RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=UserControl}}" /> 
        </ContentPresenter.Content> 
       </ContentPresenter> 
       <TextBox x:Name="EditableTextBox" 
        Style="{x:Null}" 
        Template="{StaticResource ComboBoxTextBox}" 
        HorizontalAlignment="Left" 
        VerticalAlignment="Center" 
        Margin="3,3,23,3" 
        Focusable="True" 
        Background="Transparent" 
        Visibility="Hidden" 
        IsReadOnly="{TemplateBinding IsReadOnly}"/> 
       <Popup 
        Name="Popup" 
        Placement="Bottom" 
        IsOpen="{TemplateBinding IsDropDownOpen}" 
        AllowsTransparency="True" 
        Focusable="False" 
        PopupAnimation="Slide"> 
        <Grid 
           Name="DropDown" 
           SnapsToDevicePixels="True"     
           MinWidth="{TemplateBinding ActualWidth}" 
           MaxHeight="{TemplateBinding MaxDropDownHeight}"> 
         <Border 
           x:Name="DropDownBorder" 
           Background="{StaticResource WindowBackgroundBrush}" 
           BorderThickness="1" 
           BorderBrush="{StaticResource SolidBorderBrush}"/> 
         <ScrollViewer Margin="4,6,4,6" SnapsToDevicePixels="True" DataContext="{Binding}"> 
          <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" /> 
         </ScrollViewer> 
        </Grid> 
       </Popup> 
      </Grid> 
      <ControlTemplate.Triggers> 
       <Trigger Property="HasItems" Value="false"> 
        <Setter TargetName="DropDownBorder" Property="MinHeight" Value="95"/> 
       </Trigger> 
       <Trigger Property="IsEnabled" Value="false"> 
        <Setter Property="Foreground" Value="{StaticResource DisabledForegroundBrush}"/> 
       </Trigger> 
       <Trigger Property="IsGrouping" Value="true"> 
        <Setter Property="ScrollViewer.CanContentScroll" Value="false"/> 
       </Trigger> 
       <Trigger SourceName="Popup" Property="Popup.AllowsTransparency" Value="true"> 
        <Setter TargetName="DropDownBorder" Property="CornerRadius" Value="4"/> 
        <Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0"/> 
       </Trigger> 
       <Trigger Property="IsEditable" 
       Value="true"> 
        <Setter Property="IsTabStop" Value="false"/> 
        <Setter TargetName="EditableTextBox" Property="Visibility" Value="Visible"/> 
        <Setter TargetName="Presenter" Property="Visibility" Value="Hidden"/> 
       </Trigger> 
      </ControlTemplate.Triggers> 
     </ControlTemplate> 
    </ComboBox.Template> 
</ComboBox> 

Answer 3

समस्या अपनी शैली के गलत आदेश की वजह से है। मेरा मतलब है कि अगर हम स्थिर संसाधन NormalBrush, जो शैली के तहत घोषित किया जाता है इस तरह, पर referrance साथ बटन शैली प्रकाशित:

<Style TargetType="{x:Type Button}"> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type Button}"> 
       <Border Background="{StaticResource NormalBrush}" > 
        <ContentPresenter Name="ButtonCont"></ContentPresenter> 
       </Border> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter>  
</Style> 

<LinearGradientBrush x:Key="NormalBrush" StartPoint="0,0" EndPoint="0,1"> 
    <GradientBrush.GradientStops> 
     <GradientStopCollection> 
      <GradientStop Color="#FFF" Offset="0.0"/> 
      <GradientStop Color="#CCC" Offset="1.0"/> 
     </GradientStopCollection> 
    </GradientBrush.GradientStops> 
</LinearGradientBrush> 

इस कोड को आप इस तरह त्रुटि दे देंगे। लेकिन अगर आप बदलते हैं, तो

<LinearGradientBrush x:Key="NormalBrush" StartPoint="0,0" EndPoint="0,1"> 
    <GradientBrush.GradientStops> 
     <GradientStopCollection> 
      <GradientStop Color="#FFF" Offset="0.0"/> 
      <GradientStop Color="#CCC" Offset="1.0"/> 
     </GradientStopCollection> 
    </GradientBrush.GradientStops> 
</LinearGradientBrush> 

<Style TargetType="{x:Type Button}"> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type Button}"> 
       <Border Background="{StaticResource ButtonBackground}" > 
        <ContentPresenter Name="ButtonCont"></ContentPresenter> 
       </Border> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter>  
</Style> 

सब कुछ ठीक काम करता है। वही होता है यदि आपके संसाधन अलग-अलग xaml फ़ाइलों में संग्रहीत होते हैं और आप उन्हें अपने संसाधन डिक्शनरी में संलग्न करते हैं। उदाहरण के लिए (कोसिडर हम अपने NormalBrush को Colors.xaml और बटन में बटन.एक्सएएमएल में स्टोर करते हैं)।

<ResourceDictionary Source="Resources\Button.xaml" /> 
<ResourceDictionary Source="Resources\Colors.xaml" /> 

यह काम करना चाहिए त्रुटि:: यह त्रुटि देता है

<ResourceDictionary Source="Resources\Colors.xaml" /> 
<ResourceDictionary Source="Resources\Button.xaml" /> 

Answer 4

StaticResource के बजाय एक DynamicResource का उपयोग करके, यह क्रम में संसाधन मिलेगा, तो आप के बारे में चिंता करने की जरूरत नहीं एक्सएएमएल में घोषणाओं का।

इस (?) के लिए डाउनसाइड्स हो सकता है, लेकिन विशेष रूप से चिपचिपा मामलों में, यह मेरी प्रार्थनाओं का उत्तर रहा है।

Answer 5

अपनी resource.resx फ़ाइल के लिए अनुमति की जांच करें। आपकी फ़ाइल के शीर्ष पर आपको एक्सेस मॉडिफायर के रूप में जाना जाने वाला ड्रॉपडाउन मिलेगा: इसके प्रकार को 'पब्लिक'