🚀 go-pugleaf

GetObject(desk_hdc, sizeof(bm), &bm) is not returning correct width and
heigth.
I don't know why...

Try this :

RECT rect;
GetClientRect(desk_hwnd,&rect);

Replace bm.Width and bm.Height for rect.right and rect.bottom.

Hugo Oliveira Dias



"micheal davis" <micheal_davis@hotmail.com> wrote in message
news:3f245245@newsgroups.borland.com...
> Ed,
>
> I even tried to check on the GetDeskBmp() return values to see if it
returns
> anything by using
>
> HBITMAP MyPicture;
> MyPicture=GetDeskBmp();
>  if(MyPicture==NULL) { ShowMessage("Null"); }  else { ShowMessage("Not
> Null"); }
>
> in my code and unfortunatly it returns NULL....
>
>
> "Ed Mulroy [TeamB]" <ed@mulroyREMOVETHESECHARS.org> wrote in message
> news:3f2409b9$1@newsgroups.borland.com...
> > Why would you have to search MSDN to find keybd_event when the help
files
> > that came with the compiler already document it?
> >
> > The current desktop is at least partially covered by other windows. If
you
> > press the Print Screen key you will also get the image of those other
> > windows.  This should get you the desktop image in a bitmap or be very
> > close.  I leave it to you to figure out what you want to do with it
after
> > that.
> >
> > .  Ed
> >
> > ---------------------------------
> > #include <windows.h>
> >
> > HBITMAP GetDeskBmp()
> >   {
> >   HBITMAP membmp;
> >   HDC memdc;
> >   BITMAP bm;
> >   HWND desk_hwnd = GetDesktopWindow();
> >   HDC  desk_hdc = GetDC(desk_hwnd);
> >   int  save_1;
> >
> >   // create a device context (an DC) in memory which is compatible with
> >   // that of the desktop and also create an associated bitmap
> >
> >   memdc = CreateCompatibleDC(desk_hdc); // create it
> >   save_1 = SaveDC(memdc); // save its state
> >   GetObject(desk_hdc, sizeof(bm), &bm); // get size of bitmap
> >   // create bitmap
> >   membmp = CreateCompatibleBitmap(desk_hdc, bm.bmWidth, bm.bmHeight);
> >   SelectObject(memdc, membmp); // make the DC use that bitmap
> >
> >   // copy the desktop image to the bitmap
> >   BitBlt(memdc, 0, 0, bm.bmWidth, bm.bmHeight, desk_hdc, 0, 0, SRCCOPY);
> >
> >   RestoreDC(memdc, save_1); // restore original DC state
> >   DeleteDC(memdc); // delete the DC
> >   return membmp; // return the bitmap containing the image
> >   }
> > ---------------------------------
> >
> > "micheal davis" <micheal_davis@hotmail.com> wrote in message
> > news:3f23bee4@newsgroups.borland.com...
> > > hi all,
> > >
> > > I am trying to get a screen capture of the current desktop and
> > > then save it to a bitmap file from my application, after searching
> > > msdn, I found the keybd_event()   function, although it takes a
> > > screen shot of my current program windows, can anyone tell me
> > > please how to make it take a shot for all of the desktop...
> > >
> > > I am using the code
> > >
> > > keybd_event(VK_SNAPSHOT, 0, 0, 0);
> >
> >
>
>