/// <summary>
/// 抓图
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btndraw_Click(object sender, EventArgs e)
{
try
{
if (currentDefInfo.Vendor == 0)
{
//图片保存路径和文件名
string picFileName = "C:\\maspicture\\" + currentDefInfo.Devname + "_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bmp";
//BMP抓图 Capture a BMP picture
if (!HK32ChCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, picFileName))
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 抓图失败：NET_DVR_CapturePicture_{1}", currentDefInfo.Devname, iLastErr);
this.StaticMsg.Caption = staticMsg;
}
else
{
staticMsg = string.Format("视频测点 {0} 抓图成功：{1}", currentDefInfo.Devname, picFileName);
this.StaticMsg.Caption = staticMsg;
}
}
else if (currentDefInfo.Vendor == 1)
{
if (m_IsSetCaptureCallBack == false)
{
NETClient.SetSnapRevCallBack(m_SnapRevCallBack, IntPtr.Zero);
m_IsSetCaptureCallBack = true;
}
NET_SNAP_PARAMS snap = new NET_SNAP_PARAMS();
snap.Channel = (uint)0;
snap.Quality = 6;
snap.ImageSize = 2;
snap.mode = 0;
snap.InterSnap = 0;
snap.CmdSerial = m_SnapSerialNum;
bool ret = NETClient.SnapPictureEx(loginID, snap, IntPtr.Zero); //call capture function.
if (ret)
{
m_SnapSerialNum++;
}
}
}
catch (Exception ex)
{
LogHelper.Error("视频测点抓图失败！" + ex.Message);
}
}
/// <summary>
/// 异步抓图请求
/// </summary>
/// <param name="_LoginID">登录序列号</param>
/// <param name="ChannelID">通道号</param>
/// <returns></returns>
public string GetChannelPictureEx(IntPtr _LoginID, int ChannelID)
{
NET_SNAP_PARAMS asyncSnap = new NET_SNAP_PARAMS();
asyncSnap.Channel = (uint)ChannelID;
asyncSnap.Quality = 6;
asyncSnap.ImageSize = 2;
asyncSnap.mode = 0;
asyncSnap.InterSnap = 0;
bool ret = NETClient.SnapPictureEx(_LoginID, asyncSnap, IntPtr.Zero);
Thread.Sleep(1000);
if (ret)
{
return(filePathPicture);
}
else
{
return(null);
}
}
public static extern bool CLIENT_SnapPictureEx(IntPtr lLoginID, ref NET_SNAP_PARAMS par, IntPtr reserved);
