Something like this? CRect WindowRect; pChildFrameWnd1->GetWindowRect(&WindowRect); pChildFrameWnd1->MoveWindow(0, 0, WindowRect.Width(), WindowRect.Height()); pChildFrameWnd2->GetWindowRect(&WindowRect); pChildFrameWnd2->MoveWindow(320, 0, WindowRect.Width(), WindowRect.Height()); Mark
"If you can dodge a wrench, you can dodge a ball."