// 20180924
I could use clip board inside main windows procedure not other callback function.
We would use copy and paste only using keyboard.
In this case, copy something on windows and then execute winmain_001.exe.
You could see something you copied.
I'm pleasure if you download the below.
https://github.com/WaitrudWeber/source_zip/blob/master/winmain-20180925.zip
Plese reffer to the below for compilation.
https://waitrudweber.hatenablog.com/entry/2018/05/01/005938
