https://learn.microsoft.com/en-us/windows/windows-app-sdk/api/win32/microsoft.ui.interop/nf-microsoft-ui-interop-getwindowidfromwindow
GetWindowIdFromWindow - Windows App SDK | Microsoft Learn
Gets the [WindowId](/windows/windows-app-sdk/api/winrt/microsoft.ui.windowid) that corresponds to the specified window handle...
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