ResourceDictionary theme resource replacement (two): Subject resources to cover before loading order by

Before the ResourceDictionary theme resource replacement (a) before the resources to cover the topic by loading sequence , introduces the WPF framework for merger rules ResourceDictionary resources.

 Cipian scheme introduced during compilation, resource replacement

Foreword

The following diagram, both present in the project theme resource dictionary, we want to modify the configuration of a key theme of the project.

 

 

 

 First, we are using the default gray theme

 

 

Add Project properties file

New File Themes.props (Theme Settings),

 

The current version of the theme and added:

1 <Project>
2   <PropertyGroup>
3     <Theme>Theme-Red</Theme>  
4   </PropertyGroup>
5 </Project>

As above, switch the current version of the red theme

Modify the project csproject

Introducing the theme configuration file:

  <Import Project="..\Themes.props" Condition="Exists('..\Themes.props')" />

Adding resources to replace:

Before compiling, determine the current theme, if the theme is red, it is replaced;

• The file Theme-Normal.xaml project, Theme-Red.xaml Remove all (if Theme-Red.xaml not added to the project, based on the local file exists, you do not need to delete this step)
• The Theme-Red.xaml disguised as the current Theme-Normal.xaml program resources

 1   <Target Name="ReplaceTheme" BeforeTargets="BeforeBuild" Condition="'$(Theme)' == 'Theme-Red'">
 2     <ItemGroup>
 3       <Page Remove="Theme-Normal.xaml" />
 4       <Page Remove="Theme-Red.xaml" />
 5       <Page Include="Theme-Red.xaml">
 6         <Generator>MSBuild:Compile</Generator>
 7         <Link>Theme-Normal.xaml</Link>
 8       </Page>
 9     </ItemGroup>
10   </Target>

 

After replacing the theme color:

 

 

Need to pay attention to the pit

This program requires resources in key matches the corresponding dictionary, if missing a certain style and other resources, the follow-up may have unexpected abnormal oh ~

How to avoid?

Resource dictionary can be downloaded repair tool, Github Address: ResourceIntegrityCheck

 Tool will lack the resources to copy this resource file from another resource dictionary. It has been confirmed so before the repair is completed, submit the code, resources such as style matches the current theme.