Re: Dynamically loading pieces of a bitmap file to an image list

"Nobody" <>
Sat, 24 Jun 2006 18:35:02 -0700
"djohnson" <> wrote in message

Thanks, I did find the GetDC command but still having trouble....

I'm trying to follow instructions but everything seems so CRYPTIC! that
I'm sorry to say that I am looking forward to completing this project
and moving onto .Net next time... here is what I got.. and for
onlookers this DOES NOT WORK... it comes up with a blank, black,
100x100 square instaead of the 100x100 space of the image file I am
trying to select....

BOOL CFormView1::OnInitDialog()
m_imageList1.Create(100,100,ILC_COLOR24,1,1); // not sure which color
depth I should select... tried them all...!

HBITMAP hBitmap =

BITMAP bmpInfo;
GetObject(hBitmap, sizeof(bmpInfo), &bmpInfo);

CBitmap bmp;


pDC = GetDC();



CBitmap bmp2add;
bmp2add.CreateCompatibleBitmap(pDC,100,100); // do not know if this
is what I should have done

m_imageList1.Add(&bmp2add, RGB(255,0,255) );


return TRUE;

I'm most unsure about the line with 'CreateCompatibleBitmap'. Again
this just seems ridiculously cryptic, as if C++ alone is not hard
enough to learn. Don't mean to have a bad attitude... it's just that
there are no errors generated here but it does not work... and it's
difficult to ascertain what methods themselves are supposed to do for
the first time user....

Looks to me like you are just copying c:\skin.bmp to pDC...

but you never drew anything on bmp2add.

your main issue is that you need to remove the LR_DEFAULTSIZE or the
LoadImage() is going to size your image to cx, cy which you have specified
as 0, 0.

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