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Dark/Light theme: Sync your Windows 10 default app mode with SOLIDWORKS 3D

SOLIDWORKS 3D offers users a dark and a light theme.

There is a setting in Windows 10 that automatically turn on or off theme selection in third-party applications. SOLIDWORKS does not use that feature so it’s about time we wrote an article to show how a custom add-in can automatically pick up that Windows setting. First, to turn on or off app theme mode, you need to :

  • Type theme in the Windows search bar and pick the first result.
  • Click on Colors on the sidebar and you will get this window.

Clicking light or dark under “Choose your default app mode” will switch the theme in your applications. A good example is Google Chrome.

The source code of the add-in is available on our GitHub. It’s made of two classes:
– swAddIn.cs: This is the add-in class.
– WindowsThemeManager.cs : This class listens for registry changes when the default app mode values.

swAddIn.cs

WindowsThemeManager.cs:

Found an error or have suggestions? Send corrections via the comment section below. 👇
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Amen Jlili

Amen Jlili is the founder and technical director of Blue Byte Systems Inc., a software company in Vancouver, Canada, specializing in automating SOLIDWORKS and PDM. With over a decade of experience, he has authored several courses and open-source frameworks related to the SOLIDWORKS API. His leadership ensures that Blue Byte Systems prioritizes customer satisfaction and delivers high-quality software and CAD design solutions.
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