I just downloaded the zip and made the adjustments.. I just emailed the project back to you.. Just incase here is the code... LRESULT CChildView::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) { if(message == WM_MOUSEMOVE) { CMainFrame* pMain = (CMainFrame*)AfxGetMainWnd(); ASSERT(pMain); TRACE("Mouse Movement\n"); CPoint point = (CPoint)lParam; CString str; str.Format("OnMouseMove at (%d,%d)",point.x,point.y); pMain->SetMessageText(_T(str)); } return CWnd ::WindowProc(message, wParam, lParam); } Rob Whoever said nothing's impossible never tried slamming a revolving door!

I have found an example that uses C++/ATL to make a COM add-in for Office, but I'm new to ATL/COM and am having difficulties understanding it. If you do a search on msdn.microsoft.com for "comaddin.exe" you'll find it.