WinFormsSample crashes on exit. Debugger shows stack overflow exception during BaseOnScreenKeyboardWatcher.Dispose(). Environment: - Windows 10 version 1909 - Visual Studio 2019 This patch seems to fix the issue: [WinFormsKeyboardWatcher.patch](https://github.com/AlexeiScherbakov/osklib/files/4731718/WinFormsKeyboardWatcher.patch.txt)