DC ownerdrawn background mode

Bill Medland billmedland at mercuryspeed.com
Thu Dec 18 11:18:09 CST 2003

On December 18, 2003 07:28 am, Fabian Cenedese wrote:
> Hi
> I have a control derived from CListCtrl. It's completely ownerdrawn. The
> problem comes when some item is selected. The whole column is drawn
> selected but the text is drawn with the actual back color instead of
> transparent. As this is white I get white text on white background... very
> readable :)
> I found that the difference between Windows and wine is the background
> mode. In Windows it's transparent whereas in wine it's opaque. I never
> change the background mode in my app, I guess I just lived from the
> fact that it's default transparent. Where is this set? Is this a wrong
> default parameter in wine or do I explicitly have to set the background
> mode in my app? I can do this, then it shows ok. But that's another
> change to my application I have to do because of wine. Maybe other
> apps may have similar problems.

Yep.  As I remember we set the background explicitly in our application too 
for this reason.

> bye  Fabi
> // from my code:
> void CMyCtrl::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
> {
> 	// Prepare and test device context
> 	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
> 	// this is 1 for windows but 2 for wine
> 	// pDC->GetBkMode();
> 	// wine fix

Bill Medland
ACCPAC International, Inc.
medbi01 at accpac.com
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