The first thing that comes to mind is Automation. Check out MSDN article Q178749. It deals with Excel, but with only a few changes, Word can be used too. However, I do not know if macros can be read using the available interfaces. "Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

implement in rich edit control's perant message - WM_CTRLCOLOR... CWnd::OnCtrlColor this func returns HBRUSH parameturs ... One from parameters of OnCtrlColor is nCtrlColor when it is equal to COLOR_EDIT and COLOR_MSG you must creat your own brush (which must not be local varible) and in this new brush draw the image (CDC::bitblt(...)) ... in the end return this burash as a result from CWnd::OnCtrlColor. For value diffirent from COLOR_EDIT and COLOR_MSG return the result from OnCtrlColor from base class.

List is invalid - Michael Haephrati מיכאל האפרתי

If you're reffering to the resize-grip, it's appearance is not typically changable. What you can start experimenting with is overriding OnNCPaint, letting windows/mfc draw the grip, and then overriding just the grip to whatever you want it to be...