In cmdYourCopy.click

thisform.edit1.selstart = 1
thisform.edit1.sellength = len(thisform.edit1.value)
*thisform.edit1.setfocus
*thisform.edit1.value = thisform.edit1.value+thisform.edit1.seltext

At this point the content of edit1 is in the clipboard.
You can feed Ctrl+V to the keyboard or use thisform.edit1.seltext to do what you need with the text