/// <summary>
/// 开始显示图像
/// </summary>
public void Start()
{
if (bWorkStart)
{
return;
}
bWorkStart = true;
byte[] lpszName = new byte[100];
hWndC = CameraApi.capCreateCaptureWindowA(lpszName, WS_CHILD | WS_VISIBLE, mLeft, mTop, mWidth, mHeight, mControlPtr, 0);
if (hWndC.ToInt32() != 0)
{
CameraApi.SendMessage(hWndC, WM_CAP_SET_CALLBACK_VIDEOSTREAM, 0, 0);
CameraApi.SendMessage(hWndC, WM_CAP_SET_CALLBACK_ERROR, 0, 0);
CameraApi.SendMessage(hWndC, WM_CAP_SET_CALLBACK_STATUSA, 0, 0);
CameraApi.SendMessage(hWndC, WM_CAP_DRIVER_CONNECT, 0, 0);
CameraApi.SendMessage(hWndC, WM_CAP_SET_SCALE, 1, 0);
CameraApi.SendMessage(hWndC, WM_CAP_SET_PREVIEWRATE, 66, 0);
CameraApi.SendMessage(hWndC, WM_CAP_SET_OVERLAY, 1, 0);
CameraApi.SendMessage(hWndC, WM_CAP_SET_PREVIEW, 1, 0);
}
return;
}
public void Start(int i)///这是我新添的一个方法，想用来调用另外一个摄像头，
{
//if (bWorkStart_1)
// return;
bWorkStart_1 = true;
byte[] lpszName_1 = new byte[100];
hWndC_1 = CameraApi.capCreateCaptureWindowB(lpszName_1, WS_CHILD | WS_VISIBLE, mLeft, mTop, mWidth, mHeight, mControlPtr_1, 0);
if (hWndC_1.ToInt32() != 0)
{
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_CALLBACK_VIDEOSTREAM, 0, 1);
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_CALLBACK_ERROR, 0, 0);
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_CALLBACK_STATUSA, 0, 0);
CameraApi.SendMessage(hWndC_1, WM_CAP_DRIVER_CONNECT, 1, 0);
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_SCALE, 1, 0);
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_PREVIEWRATE, 66, 0);
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_OVERLAY, 1, 0);
CameraApi.SendMessage(hWndC_1, WM_CAP_SET_PREVIEW, 1, 0);
}
return;
}
/// <summary>
/// 停止显示
/// </summary>
public void Stop()
{
CameraApi.SendMessage(hWndC, WM_CAP_DRIVER_DISCONNECT, 0, 0);
bWorkStart = false;
}
