(四)创建抓取图象的单元文件ScrnCpt
unit ScrnCpt;
interface
uses windows,forms,controls,classes,Graphics;
function CaptureScreenRect(ARect:TRect):TBitmap;
function CaptureScreen:TBitmap;
function CaptureClientImage(Control:TControl):TBitmap;
function CaptureControlImage(Control:TControl):TBitmap;
function CaptureWindowImage(Wnd:HWND):TBitmap;
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