Re: VC++ Cursor mask problem on windows vista

From:

"Ivan Brugiolo [MSFT]" <ivanbrug@online.microsoft.com>

Newsgroups:

microsoft.public.vc.language

Date:

Fri, 12 Oct 2007 13:12:57 -0700

Message-ID:

<OijsIxQDIHA.5024@TK2MSFTNGP06.phx.gbl>

Is this a 32-bpp cursors with Alpha,
or a 32-bpp cursor with mask, or a 24-bpp cursor with mask ?

Do you have an XPDM or an WDDM driver ?
Do you have desktop composition enabled ?

The current theory is that 24bpp cursors might have issues
with certain configurations, and,
you should be using 32bbp cursors with alpha in Vista.

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"Ronen Yacov" <rdiment@gmail.com> wrote in message
news:1192022739.227146.142130@19g2000hsx.googlegroups.com...

Hi Guys!

I've built a test application in VC++ 6.0 which runs on windows XP.
It is a just a simple mfc dialog app, which changes the cursor image
using cur file.

The code is:

BOOL CProjectDlg::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT
message)
{
// TODO: Add your message handler code here and/or call default

m_hCurPenBlue = LoadCursor(AfxGetResourceHandle(),
MAKEINTRESOURCE(IDC_CURSOR1));
::SetCursor(m_hCurPenBlue);
return TRUE;
}

The image is composed of a green mask, transparent on XP.

While in XP the cursor has transparency over the dialog, running the
same application in windows vista creates a black rectangle
surrounding the cursor'ss image (It is not transparent any more).

Do you know how to solve this (So the margin will be transparent on
vista)

Thanks,
Ron