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I have created a user control class library and I used a ResourceDictionary file in it. Now, I want to use my usercontrol in a WPF application, but I have to add ResourceDictionary file again in my projet! If I don't add it, it brings the ResourceDictionary file, and show an error on MergeDictionaries block! Am I missing something!?
Resource dictionary is:
<ControlTemplate x:Key="MoveThumbTemplate" TargetType="{x:Type s:MoveThumb}">
<Rectangle Fill="Transparent" Cursor="Hand"/>
</ControlTemplate>
<Style x:Key="ItemStyle" TargetType="ContentControl">
<Setter Property="Width" Value="{Binding RelativeSource={RelativeSource FindAncestor,AncestorType={x:Type Canvas}},Path=ActualWidth}"/>
<Setter Property="MinHeight" Value="60"/>
<Setter Property="Height" Value="60"/>
<Setter Property="Content" Value="MyTextBox"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ContentControl">
<Grid DataContext="{Binding RelativeSource={RelativeSource TemplatedParent}}">
<s:MoveThumb Template="{DynamicResource MoveThumbTemplate}"/>
<ContentPresenter Name="MainControl" Content="{TemplateBinding ContentControl.Content}"
Margin="5,0,10,0"/>
<Grid Opacity="0" Margin="-3">
<s:ResizeThumb Height="3" Cursor="SizeNS" VerticalAlignment="Top" HorizontalAlignment="Stretch"/>
<s:ResizeThumb Height="3" Cursor="SizeNS" VerticalAlignment="Bottom" HorizontalAlignment="Stretch"/>
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ResourceDictionary>
adding to user control:
<UserControl.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="/Resources/MoveResizeThumb.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</UserControl.Resources>
986
Tip You can create a resource dictionary file in Microsoft Visual Studio by using the Add > New Item… > Resource Dictionary option from the Project menu. Here, you define a resource dictionary in a separate XAML file called Dictionary1. xaml.
In Extensible Application Markup Language (XAML), the ResourceDictionary class is typically an implicit collection element that is the object element value of several Resources properties, when given in property element syntax. For details on implicit collections in XAML, see XAML Syntax Terminology.
A resource dictionary is a repository for XAML resources, such as styles, that your app uses. You define the resources in XAML and can then retrieve them in XAML using the {StaticResource} markup extension and {ThemeResource} markup extension s. You can also access resources with code, but that is less common.
User controls, in WPF represented by the UserControl class, is the concept of grouping markup and code into a reusable container, so that the same interface, with the same functionality, can be used in several different places and even across several applications.
Give this a try:
<UserControl.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="pack://application:,,,/{YourAssemblyWhereResourceDictionaryIsLocated};component/Resources/MoveResizeThumb.xaml" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</UserControl.Resources>
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