操作方法
获取打开的记事本中的内容 -------------------------------------------------------------------------------- procedure TForm1.Button1Click(Sender: TObject); var h: HWND; p: Pointer; Len: Integer; begin h := FindWindow('Notepad', nil); if h = 0 then Exit; h := GetWindow(h, GW_CHILD); if h = 0 then Exit; Len := SendMessage(h, WM_GETTEXTLENGTH, 0, 0) + 1; p := GlobalAllocPtr(0, Len * SizeOf(Char)); SendMessage(h, WM_GETTEXT, Len, Cardinal(p)); ShowMessage(PChar(p)); GlobalFreePtr(p); end;