/// <summary>
/// 开启显示图片叠加控制
/// </summary>
/// <param name="hWnd">显示图片的窗口句柄</param>
/// <param name="dwUserData"></param>
/// <returns>返回操作标示句柄</returns>
public UInt32 Pdo_Open(IntPtr hWnd, UInt32 dwUserData)
{
MyLog4Net.ILogExtension.DebugWithDebugView(MyLog4Net.Container.Instance.Log, "IVXSDKProtocol Pdo_Open hWnd:" + hWnd);
m_pfuncMouseEventCb = OnPDOMouseOptNtfCB;
UInt32 phPdoHandle = 0;
UInt32 retVal = IVXSDKProtocol.Pdo_Open(hWnd, null, dwUserData, out phPdoHandle);
//if (0 != retVal)
//{
// // 调用失败，抛异常
// CheckError();
//}
MyLog4Net.ILogExtension.DebugWithDebugView(MyLog4Net.Container.Instance.Log, "IVXSDKProtocol Pdo_Open ret:" + retVal);
return(phPdoHandle);
}
