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Editorial Team
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Asked: 2026-05-30T06:42:38+00:00

I want to define multiple themes for my application and switch them every time

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I want to define multiple themes for my application and switch them every time I like, but I want to put styles of each control of each theme in a separate ResourceDictionary so it makes files in a businesslike style and I can manage them fast and easily.
But the problem is:Styles of the nested Resource Dictionaries does not apply.
any suggestion?
thank you.

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1 Answer

  1. Editorial Team

    I assume that you were using seperate resource dictionary for each control and repeating it for your other themes as well.
    So I suggest you to keep a resource dictionary for each theme eg: Theme1.xaml .. and merge all your resource dictionaries which come under this theme..
    example:

      <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
>
<ResourceDictionary.MergedDictionaries>
    <ResourceDictionary Source="pack://application:,,,/UrProject;component/Themes/Theme1/Button.xaml"/>
    <ResourceDictionary Source="pack://application:,,,/UrProject;component/Themes/Theme1/Combobox.xaml" />
    <ResourceDictionary Source="pack://application:,,,/UrProject;component/Themes/Theme1/ListBox.xaml" />
    <ResourceDictionary Source="pack://application:,,,/UrProject;component/Themes/Theme1/Checkbox.xaml" />
</ResourceDictionary.MergedDictionaries>

    You can add and remove this resource dictionary to your application for switching your theme. Hope it helps. 🙂

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