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Article View: borland.public.cppbuilder.nativeapi
Article #5456

Re: How to make a window at *runtime* topmost via:-SetWindowPos() & UpdateWindow()

#5456
From: Remy Lebeau (TeamB)
Date: Wed, 17 Aug 2005 18:32
46 lines
2289 bytes
"Oren Halvani" <NoSpam@fdtd.com> wrote in message
news:43033a7e$1@newsgroups.borland.com...

> i'm using: SetWindowPos(..) to set it as topmost - what works
> fine..but the window is not recreated..

It is not supposed to be.

> so i using UpdateWindow(handle..) but it still does not recreate...

You do not need the window to be recreated to begin with.  Why are you
trying to force that?

>    if(chkForeground->Checked)
>    {
<snip>
>    }
>    else
>    {
<snip>
>       SetWindowPos(Handle, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE |
> SWP_NOSIZE);
>       UpdateWindow(frmOptions->Handle);
>    }
> }

Look closely at that code.  Notice anything particularly wrong?  You are
setting the window to be top-most regardless of your chkForeground checkbox.
You are NOT removing the top-most attribute when the checkbox is becomes
unchecked.  You need to use HWND_NOTOPMOST to remove the attribute.  Try
this code instead:

    void __fastcall TfrmOptions::chkForegroundClick(TObject *Sender)
    {
        bool bForeground = chkForeground->Checked;

        imgAlways_OnTop1->Visible = bForeground;
        imgAlways_OnTop2->Visible = !bForeground;

        SetWindowPos(Handle, (bForeground) ? HWND_TOPMOST : HWND_NOTOPOST,
0, 0, 0,  0, SWP_NOMOVE | SWP_NOSIZE);
    }


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From: "Remy Lebeau \(TeamB\)" <no.spam@no.spam.com>
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Subject: Re: How to make a window at *runtime* topmost via:-SetWindowPos() & UpdateWindow()
Date: Wed, 17 Aug 2005 11:32:25 -0700
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