Vista - BitBlt bug with Aero

Seems that Bitblt is not working well when Vista theme (aero) is
enabled.
When I try to copy a portion of the screen, the result is distorted.
Note that the same result happened with Alt+Print screen in earlier
Vista builds but is now solved. Are there any new bitblt flags to be
used now?

Following code demonstrates the problem:


#include "stdafx.h"
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
// TODO: Place code here.
HWND wnd = ::GetDesktopWindow();
HDC hdc = ::GetDC(wnd);


HDC memDC = ::CreateCompatibleDC(hdc);


HBITMAP bm = ::CreateCompatibleBitmap(hdc, 1000,1000);


HBITMAP oldBM = (HBITMAP)::SelectObject(memDC, bm);
::BitBlt(memDC,0,0,1000,1000, hdc,0,0, SRCCOPY);


::OpenClipboard(wnd);
::EmptyClipboard();
::SetClipboardData(CF_BITMAP, bm);
::CloseClipboard();


::SelectObject(memDC,oldBM);
::ReleaseDC(wnd,hdc);
return 0;



}


After running this code, you can paste the result into mspaint for
example and see the problem.

Any idea?

Have you searched at the msdn connect site (http://connect.microsoft.com/)
if this is filed as a bug?
If it is not, maybe you could file it.

<danny.yeshurun@gmail.com> wrote in message
news:1155043547.497991.82000@p79g2000cwp.googlegroups.com...
> Seems that Bitblt is not working well when Vista theme (aero) is
> enabled.
> When I try to copy a portion of the screen, the result is distorted.
> Note that the same result happened with Alt+Print screen in earlier
> Vista builds but is now solved. Are there any new bitblt flags to be
> used now?
>
> Following code demonstrates the problem:
>
>
> #include "stdafx.h"
> int APIENTRY WinMain(HINSTANCE hInstance,
> HINSTANCE hPrevInstance,
> LPSTR lpCmdLine,
> int nCmdShow)
> {
> // TODO: Place code here.
> HWND wnd = ::GetDesktopWindow();
> HDC hdc = ::GetDC(wnd);
>
>
> HDC memDC = ::CreateCompatibleDC(hdc);
>
>
> HBITMAP bm = ::CreateCompatibleBitmap(hdc, 1000,1000);
>
>
> HBITMAP oldBM = (HBITMAP)::SelectObject(memDC, bm);
> ::BitBlt(memDC,0,0,1000,1000, hdc,0,0, SRCCOPY);
>
>
> ::OpenClipboard(wnd);
> ::EmptyClipboard();
> ::SetClipboardData(CF_BITMAP, bm);
> ::CloseClipboard();
>
>
> ::SelectObject(memDC,oldBM);
> ::ReleaseDC(wnd,hdc);
> return 0;
>
>
>
> }
>
>
> After running this code, you can paste the result into mspaint for
> example and see the problem.
>
> Any idea?
>

I was not able to find anything about this there and I am not able to
submit a bug.
I don't have a participation ID or what ever you need for this.
I wonder if someone from MS is bothering to read here as well.
Lebesgue wrote:
> Have you searched at the msdn connect site (http://connect.microsoft.com/)
> if this is filed as a bug?
> If it is not, maybe you could file it.
>
> <danny.yeshurun@gmail.com> wrote in message
> news:1155043547.497991.82000@p79g2000cwp.googlegroups.com...
> > Seems that Bitblt is not working well when Vista theme (aero) is
> > enabled.
> > When I try to copy a portion of the screen, the result is distorted.
> > Note that the same result happened with Alt+Print screen in earlier
> > Vista builds but is now solved. Are there any new bitblt flags to be
> > used now?
> >
> > Following code demonstrates the problem:
> >
> >
> > #include "stdafx.h"
> > int APIENTRY WinMain(HINSTANCE hInstance,
> > HINSTANCE hPrevInstance,
> > LPSTR lpCmdLine,
> > int nCmdShow)
> > {
> > // TODO: Place code here.
> > HWND wnd = ::GetDesktopWindow();
> > HDC hdc = ::GetDC(wnd);
> >
> >
> > HDC memDC = ::CreateCompatibleDC(hdc);
> >
> >
> > HBITMAP bm = ::CreateCompatibleBitmap(hdc, 1000,1000);
> >
> >
> > HBITMAP oldBM = (HBITMAP)::SelectObject(memDC, bm);
> > ::BitBlt(memDC,0,0,1000,1000, hdc,0,0, SRCCOPY);
> >
> >
> > ::OpenClipboard(wnd);
> > ::EmptyClipboard();
> > ::SetClipboardData(CF_BITMAP, bm);
> > ::CloseClipboard();
> >
> >
> > ::SelectObject(memDC,oldBM);
> > ::ReleaseDC(wnd,hdc);
> > return 0;
> >
> >
> >
> > }
> >
> >
> > After running this code, you can paste the result into mspaint for
> > example and see the problem.
> >
> > Any idea?
> >

<danny.yeshurun@gmail.com> wrote in message
news:1155716059.460088.190970@h48g2000cwc.googlegroups.com...
>I was not able to find anything about this there and I am not able to
> submit a bug.
> I don't have a participation ID or what ever you need for this.
> I wonder if someone from MS is bothering to read here as well.

You need just a .NET Passport or Live ID or whatever they call it now.
You can submit a bug in WPF here:
http://connect.microsoft.com/feedbac...spx?SiteID=212