public void refreshOSDInfo()
{
/* Get OSD */
NETDEV_VIDEO_OSD_CFG_S stOSDInfo = new NETDEV_VIDEO_OSD_CFG_S();
stOSDInfo.astTextOverlay = new NETDEV_OSD_TEXT_OVERLAY_S[NETDEVSDK.NETDEV_OSD_TEXTOVERLAY_NUM];
Int32 dwBytesReturned = 0;
int iRet = NETDEVSDK.NETDEV_GetDevConfig(m_deviceInfoList[m_oNetDemo.m_curSelectedTreeDeviceIndex].m_lpDevHandle, m_oNetDemo.m_curSelectedTreeChannelIndex + 1, (int)NETDEV_CONFIG_COMMAND_E.NETDEV_GET_OSDCFG, ref stOSDInfo, Marshal.SizeOf(stOSDInfo), ref dwBytesReturned);
if (NETDEVSDK.TRUE != iRet)
{
m_oNetDemo.showFailLogInfo(m_deviceInfoList[m_oNetDemo.m_curSelectedTreeDeviceIndex].m_ip + " chl:" + (m_oNetDemo.m_curSelectedTreeChannelIndex + 1), "Get OSD cfg fail", NETDEVSDK.NETDEV_GetLastError());
return;
}
m_oNetDemo.showSuccessLogInfo(m_deviceInfoList[m_oNetDemo.m_curSelectedTreeDeviceIndex].m_ip + " chl:" + (m_oNetDemo.m_curSelectedTreeChannelIndex + 1), "Get OSD cfg");
m_deviceInfoList[m_oNetDemo.m_curSelectedTreeDeviceIndex].m_channelInfoList[m_oNetDemo.m_curSelectedTreeChannelIndex].m_OSDInfo.OSDInfo = stOSDInfo;
m_deviceInfoList[m_oNetDemo.m_curSelectedTreeDeviceIndex].m_channelInfoList[m_oNetDemo.m_curSelectedTreeChannelIndex].m_OSDInfo.existFlag = true;
m_oNetDemo.showOSDInfo(stOSDInfo);
}