Float out windowns copy+ paste problem

[WSHHMM]

when a windown floats out, the function key Ctr +C, Ctr+V can't work.

also I saved some customized keys that can't work for float windows.

How can I let the function keys work for the float windows?

[DionLoy]

Some of the keyboard shortcuts don't work properly if the main app has been minimized. By default Windows ignores all keyboard messages that pass through minimized applications (and they all do even if you're viewing a popout window). We are looking into ways of getting around this ...