/// <summary>
/// 打开摄像头
/// </summary>
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));
}
