Private static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam) Private static extern IntPtr FindWindow(string sClassName, string sAppName) So starting from Mike's post above I cleaned things up, added comments, and will post full C# console app code:
I know this is an old ticket, but somebody asked me how to do this today. This isn't a very elegant solution, but it does the job. Call PostMessage(HWND, WM_CLOSE, 0, 0) to close the Control Panel window.The "Personalization" caption will likely be different on non-US-English versions of Windows. Call FindWindow('CabinetWClass', 'Personalization') to get the handle of the Control Panel window that popped up when the theme was applied.So it's best to use files from that folder only. Theme files stored there are applied directly, while theme files stored elsewhere are duplicated when you execute them. Theme files are stored in the Microsoft\Windows\Themes subfolder. Use SHGetKnownFolderPath() to get the "Local AppData" folder for the user.theme file in Windwos Explorer and then closing the Control Panel applet that pops up. an automated test tool may need to switch between various themes to make sure the application works correctly with all of them.Īs a user, you can change the theme by double-clicking a. There are certainly good reasons for wanting to change the current theme programmatically.
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