Unmodified Sample Project Used As a Template

This is the sample project from Microsoft on making a File Context Menu
without any modifications.

http://www.codeproject.com/Articles/174369/How-to-Write-Windows-Shell-Extension-with-NET-Lang?msg=4466755#xx4466755xx
V1.0 - Added Submenu, and open explorer window detection

Modified the sample project to support submenu's... Added
"CreatePopupMenu" win32api call.
Added com reference to internet explorer controls which to get a list of
all open cmd windows.

Currently, you can only "copy" 1 file at a time.
Improved README