vfp9.0调用API制作照相软件实例

时间:2016-03-31 13:46:59
【文件属性】:

文件名称:vfp9.0调用API制作照相软件实例

文件大小:2KB

文件格式:ZIP

更新时间:2016-03-31 13:46:59

vfp 照相 采集照片

vfp9.0调用API制作照相软件实例 PUBLIC WM_CAP_DRIVER_DISCONNECT PUBLIC hwndc,WM_CAP_SAVEDIB,WM_CAP_FILE_SET_CAPTURE_FILEA,WM_CAP_SEQUENCE,WM_CAP_STOP DECLARE INTEGER capCreateCaptureWindowA IN "AVICAP32.DLL" STRING lpszWindowName ,INTEGER dwStyle , INTEGER x, INTEGER Y, INTEGER nWidth ,INTEGER nHeight,INTEGER ParentWin,INTEGER nId DECLARE INTEGER SendMessage IN "user32" INTEGER HWND, INTEGER wmsg,INTEGER wpar1, INTEGER wpar2 DECLARE INTEGER SendMessage IN "user32" AS SendMessageA INTEGER HWND, INTEGER wmsg,INTEGER wpar1, STRING wpar2 *!* 显示: WM_USER = 1024 WM_CAP_START = WM_USER WM_CAP_STOP = WM_CAP_START + 68 WM_CAP_DRIVER_CONNECT = WM_CAP_START + 10 WM_CAP_DRIVER_DISCONNECT = WM_CAP_START + 11 WM_CAP_SAVEDIB = WM_CAP_START + 25 WM_CAP_GRAB_FRAME = WM_CAP_START + 60 WM_CAP_SEQUENCE = WM_CAP_START + 62 WM_CAP_FILE_SET_CAPTURE_FILEA = WM_CAP_START + 20 WM_CAP_SEQUENCE_NOFILE =WM_CAP_START+ 63 WM_CAP_SET_OVERLAY =WM_CAP_START+ 51 WM_CAP_SET_PREVIEW =WM_CAP_START+ 50 WM_CAP_SET_CALLBACK_VIDEOSTREAM = WM_CAP_START +6 WM_CAP_SET_CALLBACK_ERROR=WM_CAP_START +2 WM_CAP_SET_CALLBACK_STATUSA= WM_CAP_START +3 WM_CAP_SET_CALLBACK_FRAME= WM_CAP_START +5 WM_CAP_SET_SCALE=WM_CAP_START+ 53 WM_CAP_SET_PREVIEWRATE=WM_CAP_START+ 52 hWndC = capCreateCaptureWindowA('My Own Capture Window',1342177280,0,0,200,150,THISFORM.HWND ,0) &&显示大小 IF hWndC <> 0 SendMessage(hWndC, WM_CAP_SET_CALLBACK_VIDEOSTREAM, 0, 0) SendMessage(hWndC, WM_CAP_SET_CALLBACK_ERROR, 0, 0) SendMessage(hWndC, WM_CAP_SET_CALLBACK_STATUSA, 0, 0) SendMessage(hWndC, WM_CAP_DRIVER_CONNECT, 0, 0) SendMessage(hWndC, WM_CAP_SET_SCALE, 1, 0) SendMessage(hWndC, WM_CAP_SET_PREVIEWRATE, 66, 0) SendMessage(hWndC, WM_CAP_SET_OVERLAY, 1, 0) SendMessage(hWndC, WM_CAP_SET_PREVIEW, 1, 0) * THISFORM.ACTIVATE ENDIF


【文件预览】:
api照相.scx
api照相.SCT

网友评论

  • 这个文档第一次下载,根本打不开。
  • 例子 能用 不是骗人的
  • 东西不错,但不是我需要的
  • 非常不错的实例
  • 东西不错,但不是我需要的类型,我想在照相的时候改变DPI值,现在已经解决了,从国外网站上找的资料。