// start the web camera public void StartWebCam() { byte[] lpszName = new byte[100]; byte[] lpszVer = new byte[100]; showVideo.capGetDriverDescriptionA(0, lpszName, 100, lpszVer, 100); this.lwndC = showVideo.capCreateCaptureWindowA(lpszName, showVideo.WS_VISIBLE + showVideo.WS_CHILD, 0, 0, mWidth, mHeight, mControlPtr, 0); if (this.capDriverConnect(this.lwndC, 0)) { this.cappreviewrate(this.lwndC, 66); this.capPreview(this.lwndC, true); showVideo.bitmapinfo bitmapinfo = new showVideo.bitmapinfo(); bitmapinfo.bmiHeader.biSize = showVideo.SizeOf(bitmapinfo.bmiHeader); bitmapinfo.bmiHeader.biWidth = 352; bitmapinfo.bmiHeader.biHeight = 288; bitmapinfo.bmiHeader.biPlanes = 1; bitmapinfo.bmiHeader.biBitCount = 24; this.capsetvideoformat(this.lwndC, ref bitmapinfo, showVideo.SizeOf(bitmapinfo)); this.mFrameEventHandler = new showVideo.FrameEventHandler(framecallback); this.capSetCallbackOnFrame(this.lwndC, this.mFrameEventHandler); showVideo.SetWindowPos(this.lwndC, 0, 0, 0, mWidth, mHeight, 6); } }
private bool capsetvideoformat(IntPtr hcapwnd, ref showVideo.bitmapinfo bmpformat, int CapFormatSize) { return(showVideo.SendMessage(hcapwnd, showVideo.WM_CAP_SET_VIDEOFORMAT, CapFormatSize, ref bmpformat)); }