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Windows API: Need to subclass for redrawing of DrawFocusRect
2002-11-04 -- Jim Kane
 
Newsgroups: TopSpeed.Topic.Language you probably want prop:clienthandle not prop:handle in addition to invalidate and updatewindow. you'll need to subclass and redraw your focus rec in response to wm_paint or if another window overlaps yours, your focus rectangle will go away and not be redrawn. jim kane "Arnor Baldvinsson" wrote in message news:3dc6ca9e.16236968@news.softvelocity.com... > Hi all, > > Recently I saw a posting on one of the newsgroups about drawing the > focus rectangle. I've been playing with the DrawFocusRect and while > there are no errors posted and the function succeedes, but there is no > rectangle drawn. Here is my test code: > > DrawRect ROUTINE > Data > R Like(RECT) > ThisDC Long > hwnd Long > X Byte > Code > 0{Prop:Pixels} = True > R.Top = 1 > R.Left = 1 > R.Right = 50 > R.Bottom = 50 > Hwnd = 0{Prop:Handle} > ThisDC = GetDC(Hwnd) > X = DrawFocusRect(ThisDC,R) > Message('X = ' & X) > ReleaseDC(Hwnd,ThisDC) > 0{Prop:Pixels} = False > > DrawFocusRect always returns 1, indicating success. I've looked at > some example code on MSDN and can't see any difference. I've also > tried to create a compatible bitmat and draw on it, with same results. > > Any ideas welcome:) > > Best regards, > > Arnór Baldvinsson > Icetips Software > San Antonio, Texas, USA > www.icetips.com > arnor@icetips.com > ICQ: 113314380 > > Subscribe to information from Icetips.com: > http://www.icetips.com/getnotificationinfo.htm

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