Preview handlers are done in C++ Desktop apps (DLL) : Preview Handlers and Shell Preview Host
One of the MS samples : C++ Windows Shell preview handler
How to make a UWP app be used by the preview pane of Windows?
Hong
1,141
Reputation points
A UWP app can be made the default app to open for a certain type of file. It works great. However, Windows File Explorer's preview pane does not use the default app. Could anyone offer a tip on how to make a UWP app be used by the preview pane of the File Explorer?
Accepted answer
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Castorix31 82,116 Reputation points
2022-06-10T19:53:58.86+00:00