IWin32Window in WPF
See the question and my original answer on StackOverflowI think you need to use a WindowInteropHelper, like shown here: IWin32Window Owner For WPF Window
Simon Mourier's blog (1807 answers on StackOverflow) about Microsoft technologies C#, C/C++, .NET, WinRT, WinUI3, AOT, P/Invoke, COM, Interop, DirectX, Direct2D, Windows, ...