1. Copy something text in any window.
2.Select the mainwindow of winmain_001.exe.
3.Press Ctl.
4.Press v, so you could paste on the main window.
I'm pleasure if you download the below.
https://github.com/WaitrudWeber/source_zip/blob/master/winmain-20180928.zip
Plese reffer to the below for compilation.
https://waitrudweber.hatenablog.com/entry/2018/05/01/005938