Magnifier programming?

[Gintaras]

Function dialog_magnifier

Code:

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\Dialog_Editor
function# hDlg message wParam lParam
if(hDlg) goto messages

if(!ShowDialog("dialog_magnifier" &dialog_magnifier)) ret

;BEGIN DIALOG
;0 "" 0x90C80A44 0x100 0 0 223 135 "Dialog"
;1 Button 0x54030001 0x4 120 116 48 14 "OK"
;2 Button 0x54030000 0x4 170 116 48 14 "Cancel"
;END DIALOG
;DIALOG EDITOR: "" 0x2020103 "" "" ""

ret
;messages
sel message
,case WM_INITDIALOG
,SetTimer hDlg 1 50 0
,
,case WM_TIMER
,if(wParam=1)
,,POINT p; xm p ;;get mouse pos
,,int dcs(GetDC(0)) dcd(GetDC(hDlg)) ;;get screen dc and dialog dc
,,StretchBlt dcd 0 0 128 128 dcs p.x p.y 16 16 SRCCOPY ;;copy from screen to dialog, and magnify 8 times, from 16 to 128
,,ReleaseDC 0 dcd; ReleaseDC 0 dcs
,
,case WM_DESTROY
,case WM_COMMAND goto messages2
ret
;messages2
sel wParam
,case IDOK
,case IDCANCEL
ret 1