WD17 Windows API BitBlt and ImageControl

Hi
How to use the Windows API BitBlt function in conjunction with an WD Image control. What I want to archieve is to copy f.e. a button, as bitmap into an imagecontrol.
Q : How to use BitBlt with and Image control ?
TIA,
#pragma

The following does not work.

PROCEDURE CopyControlToImage()
rectangle is structure
	l is int
	t is int
	r is int
	b is int
END
rect is rectangle

//hwnd is int = Handle(IMG_DROP)      
hwndControl is int = Handle(CONTROL)   // control handle can be button edit control etc.

hdcControl is system int = API( "user32","GetDC" , hwndControl)

// Get size
API("user32","GetWindowRect" , hwndControl , &rect)

HORZRES is int  = rect.r - rect.l
VERTRES is int = rect.b - rect.t
IMG_DROP..Width=HORZRES
IMG_DROP..Height=VERTRES

dc is system int = dStartDrawing(IMG_DROP)

IF NOT API("gdi32","BitBlt" , dc , 0 , 0 , IMG_DROP..Width , IMG_DROP..Height , hdcControl , 0 , 0 , 0xCC00200) THEN
	Error("BitBlt fails")  // This does not happen.
END

//Cleanup
API("user32","ReleaseDC",hwndControl,hdcControl)
dEndDrawing()

Edited 2 time(s). Last edit at 10/10/2012 10:41PM by Pragma Tix.

I use this instead:

dCopyBlt(imgControlSrc,imgControlDest,copySrcAnd, nSrcX,nSrcY,nSrcHeight,nSrcWidth,nDestX,nDestY,nDestHeight,nDestWidth)

HTH

Cheers
King

Quote
Kingdr8
I use this instead:

dCopyBlt(imgControlSrc,imgControlDest,copySrcAnd, nSrcX,nSrcY,nSrcHeight,nSrcWidth,nDestX,nDestY,nDestHeight,nDestWidth)

HTH

Cheers
King

Unfortunately that's not an option.

Let me explain, for instance ..
My window contains 2 controls, a Button and an Image Control.
Now I have to transfer The Button, more exactly , a picture of said button, into the image control

Therefore I have to use the GDI function GetDC(Handle(Button)) to get the Button's Device context.
Now
dc = StartDrawing(Image) will give me the target device context.
Finally I have to use the GDI function BitBlt to copy a picture of the button into the Image control.
I think I miss something.. Maybe I have to create a BitMap, create a compatibleDC etc. I just don't know..yet.
#pragma