the view is drawed twinkling

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   Hello
There are tabbed MDI client windows which can be changed to Max, Min or normal size. After maximized one window, and then switched among client windows by clicked the title tabs, the view is drawed twinkling and not smooth. Please help me how to resolve it?
Thanks.
Freehawk

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freehawk Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 22 April 2004 Status: Offline Points: 95	Post Options Post Reply Quote freehawk Report Post Thanks(0) Quote Reply Topic: the view is drawed twinkling Posted: 10 March 2005 at 8:17pm
	Hello There are tabbed MDI client windows which can be changed to Max, Min or normal size. After maximized one window, and then switched among client windows by clicked the title tabs, the view is drawed twinkling and not smooth. Please help me how to resolve it? Thanks. Freehawk

proe Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 June 2005 Location: China Status: Offline Points: 7	Post Options Post Reply Quote proe Report Post Thanks(0) Quote Reply Posted: 03 July 2005 at 3:38am
	BOOL CChildFrame::PreCreateWindow(CREATESTRUCT& cs) { // Make sure view is maximum size to eliminate // flicker when switching tabs. cs.x = cs.y = 0; cs.cx = cs.cy = 32767; if( !CMDIChildWnd::PreCreateWindow(cs) ) return FALSE; return TRUE; }

pascal Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 07 February 2005 Location: Germany Status: Offline Points: 25	Post Options Post Reply Quote pascal Report Post Thanks(0) Quote Reply Posted: 07 July 2005 at 2:47pm
	Hello, the best way to avoid fleeking is to inherit from CXTPTabClientWnd and to catch the WM_MDIACTIVATE message. You should then lock the redraw before calling the base class and unlock it after execution. See code below. best regards from G�ttingen, germany BEGIN_MESSAGE_MAP(CMainTabClientWnd, CXTPTabClientWnd)ON_WM_MDIACTIVATE() END_MESSAGE_MAP() void CMainTabClientWnd::OnMDIActivate(BOOL bActivate,CWnd* pActivateWnd, CWnd* pDeactivateWnd) { SetRedraw(FALSE); CWnd::OnMDIActivate(bActivate, pActivateWnd, pDeactivateWnd); SetRedraw(TRUE); RedrawWindow( NULL, NULL, RDW_INVALIDATE \| RDW_UPDATENOW \| RDW_ERASE \| RDW_ALLCHILDREN); }
	Pascal Verdier Software Engineer Manager