Re: MDI frame & MDI child window questions

This came up a while back, and the solution that I found was to take over
OnSize, and set the title to blank when the child frame is maximized.

//this is used so that the title is not flickered in the title bar
inline void WINAPI SetInternalWindowText(HWND hwnd, LPCTSTR lpText)
{
   // Turn off WS_VISIBLE if necessary to avoid painting
   DWORD dwStyle = ::GetWindowLong(hwnd, GWL_STYLE);
   if (dwStyle & WS_VISIBLE)
       ::SetWindowLong(hwnd, GWL_STYLE, dwStyle & ~WS_VISIBLE);

   // Call DefWindowProc directly to set internal window text.
   DefWindowProc(hwnd, WM_SETTEXT, 0, (LPARAM)lpText);

   // Restore parent visible state
   if (dwStyle & WS_VISIBLE)
       ::SetWindowLong(hwnd, GWL_STYLE, dwStyle);
}

void CChildFrame::OnSize(UINT nType, int cx, int cy)
{
   CMDIChildWnd::OnSize(nType, cx, cy);

   if (nType == SIZE_MAXIMIZED)
   {
      //this is to keep it from flickring the doc title in the frame title
area
      SetInternalWindowText(m_hWnd,"");
   }
   if (nType == SIZE_RESTORED || nType == SIZE_MINIMIZED)
   {
      SetWindowText("This is the view");
   }
}

void CChildFrame::OnUpdateFrameTitle(BOOL bAddToTitle)
{
   SetInternalWindowText(m_hWnd,"This is the view");
}

http://www.learnstar.com/AliR/MDITitle.zip

AliR.

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