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From: papa@pollux.usc.edu (Marco Papa)
Newsgroups: comp.windows.ms
Subject: Re: drawing inside dialog boxes
Message-ID: <21888@usc.edu>
Date: 20 Dec 89 18:05:31 GMT
References: <33325@ucbvax.BERKELEY.EDU>
Sender: news@usc.edu
Reply-To: papa@pollux.usc.edu (Marco Papa)
Organization: Felsina Software, Los Angeles, CA
Lines: 30

In article <33325@ucbvax.BERKELEY.EDU> kipnis@janus.Berkeley.EDU (Gary Kipnis) writes:
>Hi, is it possible to draw inside a dialog box, i.e. I want to draw a 
>blue rectangle inside a dialog box and change its color according to dialog
>commands, but for some reason every time I try to draw it I get nothing,
>here is what I do:
>case WM_INITDIALOG:
>    hDC = GetDC(hDlg);
>    .
>    .
>
>    Rectangle(hDC, x1, y1, x2, y2);
>

Sure.  A full example is on p. 429-433 of Programming Windows, by C. Petzold.
The sequence he uses goes like this:

hDC = GetDC(hWnd);
GetClientRect (hWnd, &rect);
hBrush = CreateSolidBrish(...);
hBrush = SelectObject(hDC, hBrush);
Rectangle(hDC, rect.left, ...);
DeleteObject(SelectObject(hDC, hBrush));
ReleaseDC(hWnd, hFC);

-- Marco


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