Re: How to show a Tab Control at the top of the Z order
From: JohnL (hiliuzhe_at_hotmail.com)
Date: 09/09/04
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Date: Thu, 9 Sep 2004 09:29:45 -0600
Great! The problem is solved!
Norman, could you please recommend me several books or documents so I can
learn this type of tips myself? I would like to know where you learned it.
Thank you very much.
John
"Norman Bullen" <norm@BlackKittenAssociates.com.INVALID> wrote in message
news:UwQ%c.10958$w%6.6722@newsread1.news.pas.earthlink.net...
> JohnL wrote:
> > I am using Visual C++ 6.0 and eMbedded Visual C++ 4.0.
> >
> > The question seems easy at the first look:
> >
> > I want to show a Tab Control at the top of a big Bitmap control.
However,
> > after the program runs, only the Bitmap is shown, and the Tab Control
cannot
> > be shown until it is clicked. I tried SetWindowPos() function to set the
Tab
> > Control to the topmost, and ShowWindow() as well, but still no success.
I
> > also modified the Tab Control style to WS_EX_TOPMOST in resource file,
but
> > still no luck (see the following).
> >
> > Could anybody help me to solve the problem?
> >
> > John
> >
> >
> > In resource file, from CONTROL
> > "Tab1",IDC_TAB_FWS,"SysTabControl32", 0x0,47,71,185,192
> > to CONTROL
> > "Tab1",IDC_TAB_FWS,"SysTabControl32", WS_EX_TOPMOST,47,71,185,192
> >
> >
> > //and
> >
> > RECT * lpRect = new RECT();
> > GetDlgItem (IDC_TAB_FWS)->GetWindowRect (lpRect);
> > GetDlgItem (IDC_TAB_FWS)->SetWindowPos ( &wndTopMost, lpRect->left,
> > lpRect->top,
> > lpRect->right - lpRect->left ,
> > lpRect->bottom - lpRect->top , SWP_SHOWWINDOW );
> >
> > //or
> > GetDlgItem (IDC_TAB_FWS)->BringWindowToTop();
> > //or
> > GetDlgItem (IDC_TAB_FWS)->ShowWindow ( SW_SHOW);
> >
> >
> Child windows are generally allowed to paint anywhere within their
> parent's client area so, regardless of Z-order, one child window (e.g.
> your bitmap) might paint an area that was just painted by another child
> window (e.g. your tab control) making the first window painted disappear.
>
> You can prevent this by adding the WS_CLIPSIBLINGS to the bitmap window.
> This will prevent it from painting any area occupied by other child
windows.
>
> Norm
>
> --
> --
> To reply, change domain to an adult feline.
>
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