How to disable copy/paste commands in the Windows edit control context menu?

Question

How can I disable those 3 standard cut/copy/paste commands in the context menu of the native Windows OS edit control?

I also need to disable the equivalent

Answer 1

You could leave the options visible but lock the clipboard from usage.
If this solution suits you all you need to do is make a program that opens the clipboard by calling OpenClipboard(NULL). In order to release the clipboard call CloseClipboard().