private void btnAddDev_Click(object sender, EventArgs e)
{
frm_AddDevice fAddDev = new frm_AddDevice();
fAddDev.ShowDialog();
//DHClient.DHSetShowException(true);
try
{
if (fAddDev.blnOKEnter == true)
{
//设备用户信息获得
deviceInfo = new NET_DEVICEINFO();
int error = 0;
//设备用户登录
pLoginID = DHClient.DHLogin(fAddDev.cmbDevIP.Text.ToString(), ushort.Parse(fAddDev.txtDevProt.Text.ToString()), fAddDev.txtName.Text.ToString(), fAddDev.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
//btnStartRealPlay.Enabled = true;
btnStartPlay.Enabled = true;
}
else
{
//btnStartRealPlay.Enabled = false;
btnStartPlay.Enabled = false;
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
}
}
catch
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
}
/// <summary>
/// 添加设备1处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddDevice1_Click(object sender, EventArgs e)
{
frm_AddDevice fAddDev = new frm_AddDevice();
fAddDev.ShowDialog();
try
{
if (fAddDev.blnOKEnter == true)
{
//设备用户信息获得
deviceInfo = new NET_DEVICEINFO();
int error = 0;
//设备1登录:注意登录ID
pLoginID1 = DHClient.DHLogin(fAddDev.cmbDevIP.Text.ToString(), ushort.Parse(fAddDev.txtDevProt.Text.ToString()), fAddDev.txtName.Text.ToString(), fAddDev.txtPassword.Text.ToString(), out deviceInfo, out error);
//是否登录成功判断
if (pLoginID1 != 0)
{
MessageBox.Show("设备1登录成功！", "提示");
}
else
{
MessageBox.Show("设备1登录失败！", "提示");
}
}
}
catch
{
}
}
/// <summary>
/// 用户登录按钮按下处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogin_Click(object sender, EventArgs e)
{
string strBtn = btnUserLogin.Text;
if (strBtn == Utility.StringUtil.ConvertString("设备用户登录"))
{
frm_AddDevice fLogin = new frm_AddDevice();
fLogin.ShowDialog();
if (fLogin.blnOKEnter == true)
{
//设备用户信息获得
deviceInfo = new NET_DEVICEINFO();
int error = 0;
//设备用户登录
pLoginID = DHClient.DHLogin(fLogin.cmbDevIP.Text.ToString(), ushort.Parse(fLogin.txtDevProt.Text.ToString()), fLogin.txtName.Text.ToString(), fLogin.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
strUserName = fLogin.txtDevName.Text;
btnUserLogin.BackColor = Color.Yellow;
btnUserLogin.Text = StringUtil.ConvertString("设备用户注销");
grbMain.Enabled = true;
}
else
{
//报最后一次操作的错误信息
MessageUtil.ShowMsgBox(StringUtil.ConvertString(DHClient.LastOperationInfo.errMessage, "ErrorMessage"),
StringUtil.ConvertString(pMsgTitle));
}
}
}
else if (strBtn == Utility.StringUtil.ConvertString("设备用户注销"))
{
bool result = DHClient.DHLogout(pLoginID);
if (result == false)
{
//报最后一次操作的错误信息
MessageUtil.ShowMsgBox(StringUtil.ConvertString(DHClient.LastOperationInfo.errMessage, "ErrorMessage"),
StringUtil.ConvertString(pMsgTitle));
}
btnUserLogin.BackColor = Color.Transparent;
btnUserLogin.Text = StringUtil.ConvertString("设备用户登录");
grbMain.Enabled = false;
Utility.StringUtil.InitControlText(this);
}
}
private void login(int cantidadVentanas)
{
//this.initPantallas(cantidadVentanas);
//this.inicializarVentanas(cantidadVentanas);
int error = 0;
if (pLoginID == 0)
{
deviceInfo = new NET_DEVICEINFO();
pLoginID = DHClient.DHLogin(this.ip, this.port, this.user, this.pass, out deviceInfo, out error);
}
if (pLoginID != 0)
{
this.startButtons(false);
pRealPlayHandle = new int[deviceInfo.byChanNum];
cantidadCamaras = deviceInfo.byChanNum;
comboBoxCamaras.Items.Clear();
for (int i = 0; i < cantidadCamaras; i++)
{
comboBoxCamaras.Items.Add((i + 1).ToString());
}
//this.play(this.channel);
comboBoxCamaras.SelectedIndex = this.channel;
comboBoxVentanas.SelectedIndex = this.getIndexCantidadVentanas(cantidadVentanas);
realPlay();
}
else
{
/*btnStartRealPlay.Enabled = false;
btnLogin.Enabled = true;
btnLogout.Enabled = false;*/
this.startButtons(true);
if (DHClient.LastOperationInfo.errCode == "-2147483548")
{
MessageBox.Show("Error de conexion a la camara: Password incorrecto!", pMsgTitle);
}
else if (DHClient.LastOperationInfo.errCode == "-2147483547")
{
MessageBox.Show("Error de conexion a la camara: Usuario incorrecto!", pMsgTitle);
}
else if (DHClient.LastOperationInfo.errCode == "-2147483541")
{
MessageBox.Show("Error de conexion a la camara! No fue posible conectar a la IP o puerto especificado", pMsgTitle);
}
else
{
MessageBox.Show("Error de conexion a la camara:" + DHClient.LastOperationInfo.errCode, pMsgTitle);
}
Application.Exit();
}
}
private void Login_Click(object sender, EventArgs e)
{
if (!m_bInit)
{
MessageBox.Show("库初始化失败");
return;
}
//设备用户信息获得
NET_DEVICEINFO deviceInfo = new NET_DEVICEINFO();
int error = 0;
m_nLoginID = DHClient.DHLogin(this.textBoxIP.Text.ToString(), ushort.Parse(this.textBoxPort.Text.ToString()),
this.textBoxUser.Text.ToString(), this.textBoxPsw.Text.ToString(), out deviceInfo, out error);
if (m_nLoginID > 0)
{
this.Login.Enabled = false;
this.Logout.Enabled = true;
m_nChannelNum = deviceInfo.byChanNum;
for (int i = 0; i < m_nChannelNum; ++i )
{
this.comboBoxChannel.Items.Add(i.ToString());
}
//query json ability.
Int32 dwRetLen = 0;
IntPtr pDevEnable = new IntPtr();
pDevEnable = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(DH_DEV_ENABLE_INFO)));
bool bRet = DHClient.DHQuerySystemInfo(m_nLoginID, DH_SYS_ABILITY.ABILITY_DEVALL_INFO, pDevEnable,
Marshal.SizeOf(typeof(DH_DEV_ENABLE_INFO)), ref dwRetLen, 1000);
if (bRet == false)
{
//MessageBox.Show(ConvertString("Query device ability failed."));
MessageBox.Show("查询设备能力失败");
return;
}
DH_DEV_ENABLE_INFO devEnable = new DH_DEV_ENABLE_INFO();
devEnable = (DH_DEV_ENABLE_INFO)Marshal.PtrToStructure(pDevEnable, typeof(DH_DEV_ENABLE_INFO));
m_bJSON = devEnable.IsFucEnable[(Int32)DH_FUN_SUPPORT.EN_JSON_CONFIG] > 0 ? true : false;
if (m_bJSON == false)
{
int nRetLen = 0;
IntPtr pStuSnapAttr = new IntPtr();
pStuSnapAttr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(DH_SNAP_ATTR_EN)));
bool nRet = DHClient.DHQueryDevState(m_nLoginID, (int)DHClient.DH_DEVSTATE_SNAP
, pStuSnapAttr, Marshal.SizeOf(typeof(DH_SNAP_ATTR_EN)) , ref nRetLen, 1000);
if (nRet == false || nRetLen != Marshal.SizeOf(typeof(DH_SNAP_ATTR_EN)))
{
MessageBox.Show("获取抓图能力集失败!");
return;
}
else
{
m_stuSnapAttr = (DH_SNAP_ATTR_EN)Marshal.PtrToStructure(pStuSnapAttr, typeof(DH_SNAP_ATTR_EN));
}
}
else//json
{
InitSnapConfigExUI(0);
}
IntPtr pSnapCfg = new IntPtr();
pSnapCfg = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(DHDEV_SNAP_CFG)) * 32);
UInt32 dwRetConfig = 0;
bRet = DHClient.DHGetDevConfig(m_nLoginID, CONFIG_COMMAND.DH_DEV_SNAP_CFG, -1, pSnapCfg, (UInt32)Marshal.SizeOf(typeof(DHDEV_SNAP_CFG)) * 32, ref dwRetConfig, 1000);
if (!bRet)
{
MessageBox.Show("获取抓图配置失败!");
return;
}
else
{
for (int i = 0; i < 32; ++i )
{
m_stuSnapCfg[i] = (DHDEV_SNAP_CFG)Marshal.PtrToStructure((IntPtr)((UInt32)pSnapCfg+i*Marshal.SizeOf(typeof(DHDEV_SNAP_CFG)))
, typeof(DHDEV_SNAP_CFG));
}
}
if (this.comboBoxChannel.Items.Count > 0)
{
this.comboBoxChannel.SelectedIndex = 0;
}
this.buttonGet.Enabled = true;
this.buttonSet.Enabled = true;
this.buttonStart.Enabled = true;
this.buttonStop.Enabled = true;
}
}
/// <summary>
/// 用户登录按钮按下处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogin_Click(object sender, EventArgs e)
{
switch (btnUserLogin.Text)
{
case "设备用户登录":
frm_AddDevice fLogin = new frm_AddDevice();
fLogin.ShowDialog();
if (fLogin.blnOKEnter == true)
{
//设备用户信息获得
NET_DEVICEINFO deviceInfo = new NET_DEVICEINFO();
int error = 0;
//设备用户登录
pLoginID = DHClient.DHLogin(fLogin.cmbDevIP.Text.ToString(), ushort.Parse(fLogin.txtDevProt.Text.ToString()), fLogin.txtName.Text.ToString(), fLogin.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
btnUserLogin.BackColor = Color.Yellow;
btnUserLogin.Text = "设备用户注销";
grbMain.Enabled = true;
}
else
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
grbMain.Enabled = false;
}
}
break;
case "设备用户注销":
bool result = DHClient.DHLogout(pLoginID);
if (result == false)
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
btnUserLogin.BackColor = Color.Transparent;
btnUserLogin.Text = "设备用户登录";
grbMain.Enabled = false;
break;
}
}
/// <summary>
/// 设备用户登录/注销处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogin_Click(object sender, EventArgs e)
{
string strLogin = StringUtil.ConvertString("设备用户登录");
string strLogout = StringUtil.ConvertString("设备用户注销");
if (btnUserLogin.Text.Equals(strLogin))
{
frm_AddDevice fLogin = new frm_AddDevice();
fLogin.ShowDialog();
if (fLogin.blnOKEnter == true)
{
//设备用户信息获得
NET_DEVICEINFO deviceInfo = new NET_DEVICEINFO();
int error = 0;
//设备用户登录
pLoginID = DHClient.DHLogin(fLogin.cmbDevIP.Text.ToString(), ushort.Parse(fLogin.txtDevProt.Text.ToString()), fLogin.txtName.Text.ToString(), fLogin.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
btnUserLogin.BackColor = Color.Yellow;
btnUserLogin.Text = strLogout;
grpMain.Enabled = true;
//读取用户信息
GetUserInfo(pLoginID, ref userManageInfo, 3000);
//设置消息回调函数
DHClient.DHSetDVRMessCallBack(msgCallBack, IntPtr.Zero);
IntPtr pVer = new IntPtr();
pVer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)));
int nRet = 0;
int nVer = 0;
bool bRet = DHClient.DHQueryDevState((int)pLoginID, (int)DHClient.DH_DEVSTATE_PROTOCAL_VER, pVer, 4, ref nRet, 2000);
if (bRet)
{
nVer = (int)Marshal.PtrToStructure((IntPtr)((UInt32)pVer), typeof(int));
//开始侦听
if (nVer >= 5)
{
if (DHClient.DHStartListenEx(pLoginID) == true)
{
timeDisplayAlarmInfo.Enabled = true;
}
else
{
timeDisplayAlarmInfo.Enabled = false;
}
}
else
{
if (DHClient.DHStartListen(pLoginID) == true)
{
timeDisplayAlarmInfo.Enabled = true;
}
else
{
timeDisplayAlarmInfo.Enabled = false;
}
}
}
}
}
}
else
{
bool result = DHClient.DHLogout(pLoginID);
if (result == false)
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
//画面初期化
timeDisplayAlarmInfo.Enabled = false;
this.Controls.Clear();
InitializeComponent();
StringUtil.InitControlText(this);
pLoginID = 0;
userManageInfo = new USER_MANAGE_INFO();
clientState = new NET_CLIENT_STATE();
AlarmAudio = new byte[16];
AlarmDiskErr = new byte[32];//ＤＶＲ最大可挂３２块硬盘，每一位表示一个硬盘的状态，0:硬盘状态正常;1:硬盘出错
AlarmDiskFull = false;
AlarmShelter = new byte[16];
AlarmExternal = new byte[16];
ActiveUserID = 0;
ActiveGroupID = 0;
ActiveGroupIndex = 0;
ActiveUserIndex = 0;
btnUserLogin.BackColor = Color.Transparent;
btnUserLogin.Text = strLogin;
grpMain.Enabled = false;
this.WindowState = FormWindowState.Normal;
}
}
/// <summary>
/// 初始化函数
/// </summary>
/// <param name="strServerIP">视频IP</param>
/// <param name="iChannel">通道号</param>
/// <param name="strUserName">用户名</param>
/// <param name="strPsw">密码</param>
/// <param name="strPath">抓图存储路径 如：\\LoadWeightPic\\FrontImage.jpg</param>
public void Initialize(string strServerIP, int iChannel, string strUserName, string strPsw, string strPath)
{
try
{
if (IsLogin)
{
disConnect = new fDisConnect(DisConnectEvent);
DHClient.DHInit(disConnect, IntPtr.Zero);
DHClient.DHSetEncoding(LANGUAGE_ENCODING.gb2312);
deviceInfo = new NET_DEVICEINFO();
int iLoginError = 0;
iLogin = DHClient.DHLogin(strServerIP, ushort.Parse("37777"), strUserName, strPsw, out deviceInfo, out iLoginError);
IsLogin = false;
}
_strPath = strPath;
_strServerIP = strServerIP;
_iChannel = iChannel;
iRealPlay = DHClient.DHRealPlay(iLogin, _iChannel, this.Pic.Handle);
}
catch(Exception ex)
{
Log.WriteLog("大华视频显示控件-初始化：", ex);
}
}
/// <summary>
/// [设备用户注销]按钮按下
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogout_Click(object sender, EventArgs e)
{
try
{
bool result = DHClient.DHLogout(pLoginID);
if (result == false)
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
picRealPlay0.Refresh();
picRealPlay1.Refresh();
picRealPlay2.Refresh();
picRealPlay3.Refresh();
picRealPlay4.Refresh();
picRealPlay5.Refresh();
picRealPlay6.Refresh();
picRealPlay7.Refresh();
if (picRealPlay != null)
{
picRealPlay.Refresh();
}
//画面初期化
this.Controls.Clear();
InitializeComponent();
Utility.StringUtil.InitControlText(this);
pLoginID = 0;
fileInfo = new NET_RECORDFILE_INFO();
playBy = 0;
pRealPlayHandle = new int[16];
pPlayBackHandle = new int[16];
pPlayBackChannelID = 0;
deviceInfo = new NET_DEVICEINFO();
this.WindowState = FormWindowState.Normal;
btnRealPlay.Enabled = false;
btnPlayBackByTime.Enabled = false;
gpbPlayBackControl.Enabled = false;
btnUserLogout.Enabled = false;
btnRealPlay.Text = StringUtil.ConvertString("RealPlay");
btnPlayByRecordFile.Enabled = false;
gpbPlayBackControl.Enabled = false;
gpbPTZControl.Enabled = false;
}
catch
{
MessageBox.Show("设备用户注销失败！", pMsgTitle);
}
}
/// <summary>
/// [设备用户登录]按钮按下
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogin_Click(object sender, EventArgs e)
{
frm_AddDevice fAddDev = new frm_AddDevice();
fAddDev.ShowDialog();
//DHClient.DHSetShowException(true);
try
{
if (fAddDev.blnOKEnter == true)
{
//设备用户信息获得
deviceInfo = new NET_DEVICEINFO();
int error = 0;
pLoginID = DHClient.DHLogin(fAddDev.cmbDevIP.Text.ToString(), ushort.Parse(fAddDev.txtDevProt.Text.ToString()),fAddDev.txtName.Text.ToString(), fAddDev.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
pPlayBackHandle = new int[deviceInfo.byChanNum];
//画面按钮有效性控制
pRealPlayHandle = null;
btnRealPlay.Text = StringUtil.ConvertString("RealPlay");
btnUserLogin.Enabled = false;
btnRealPlay.Enabled = true;
btnPlayBackByTime.Enabled = true;
gpbPlayBackControl.Enabled = false;
btnUserLogout.Enabled = true;
gpbPTZControl.Enabled = false;
btnPlayByRecordFile.Enabled = true;
cmbChannelSelect.Items.Clear();
for (int i = 0; i < deviceInfo.byChanNum; i++)
{
cmbChannelSelect.Items.Add(i.ToString());
}
}
else
{
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle),pMsgTitle);
btnUserLogin_Click(null, null);
}
}
}
catch
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
btnUserLogin_Click(null, null);
}
}
/// <summary>
/// 用户登录按钮按下
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogin_Click(object sender, EventArgs e)
{
string strLogin = StringUtil.ConvertString("设备用户登录");
string strLogout = StringUtil.ConvertString("设备用户注销");
if (btnUserLogin.Text.Equals(strLogin))
{
frm_AddDevice fadFrom = new frm_AddDevice();
fadFrom.ShowDialog();
if (fadFrom.blnOKEnter == true)
{
//设备用户信息获得
NET_DEVICEINFO deviceInfo = new NET_DEVICEINFO();
int error = 0;
pLoginID = DHClient.DHLogin(fadFrom.cmbDevIP.Text.ToString(), ushort.Parse(fadFrom.txtDevProt.Text.ToString()), fadFrom.txtName.Text.ToString(), fadFrom.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
btnUserLogin.BackColor = Color.Yellow;
btnUserLogin.Text = strLogout;
grbMain.Enabled = true;
tbcMain.SelectedIndex = 0;
}
else
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
btnUserLogin_Click(null, null);
}
}
}
else
{
bool result = DHClient.DHLogout(pLoginID);
if (result == false)
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
//画面初始化
this.Controls.Clear();
InitializeComponent();
pLoginID = 0;
sysAttrConfig = new DHDEV_SYSTEM_ATTR_CFG();
channelConfig = new DHDEV_CHANNEL_CFG[16];
netConfig = new DHDEV_NET_CFG();
recConfig = new DHDEV_RECORD_CFG[16];
commConfig = new DHDEV_COMM_CFG();
alarmAllConfig = new DHDEV_ALARM_SCHEDULE();
btnUserLogin.BackColor = Color.Transparent;
btnUserLogin.Text = strLogin;
grbMain.Enabled = false;
tbcMain.SelectedIndex = 0;
}
}
/// <summary>
/// 设备用户登录/注销处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUserLogin_Click(object sender, EventArgs e)
{
switch (btnUserLogin.Text)
{
case "设备用户登录":
frm_AddDevice fLogin = new frm_AddDevice();
fLogin.ShowDialog();
if (fLogin.blnOKEnter == true)
{
//设备用户信息获得
NET_DEVICEINFO deviceInfo = new NET_DEVICEINFO();
int error = 0;
//设备用户登录
pLoginID = DHClient.DHLogin(fLogin.cmbDevIP.Text.ToString(), ushort.Parse(fLogin.txtDevProt.Text.ToString()), fLogin.txtName.Text.ToString(), fLogin.txtPassword.Text.ToString(), out deviceInfo, out error);
if (pLoginID != 0)
{
btnUserLogin.BackColor = Color.Yellow;
btnUserLogin.Text = "设备用户注销";
grpMain.Enabled = true;
//读取用户信息
GetUserInfo(pLoginID, ref userManageInfo, 3000);
//设置消息回调函数
DHClient.DHSetDVRMessCallBack(msgCallBack, IntPtr.Zero);
//开始侦听
if (DHClient.DHStartListen(pLoginID) == true)
{
timeDisplayAlarmInfo.Enabled = true;
}
else
{
timeDisplayAlarmInfo.Enabled = false;
}
}
}
break;
case "设备用户注销":
bool result = DHClient.DHLogout(pLoginID);
if (result == false)
{
//报最后一次操作的错误信息
MessageBox.Show(DHClient.LastOperationInfo.ToString(pErrInfoFormatStyle), pMsgTitle);
}
//画面初期化
timeDisplayAlarmInfo.Enabled = false;
this.Controls.Clear();
InitializeComponent();
pLoginID = 0;
userManageInfo = new USER_MANAGE_INFO();
clientState = new NET_CLIENT_STATE();
AlarmAudio = new byte[16];
AlarmDiskErr = new byte[32];//ＤＶＲ最大可挂３２块硬盘，每一位表示一个硬盘的状态，0:硬盘状态正常;1:硬盘出错
AlarmDiskFull = false;
AlarmShelter = new byte[16];
ActiveUserID = 0;
ActiveGroupID = 0;
ActiveGroupIndex = 0;
ActiveUserIndex = 0;
btnUserLogin.BackColor = Color.Transparent;
btnUserLogin.Text = "设备用户登录";
grpMain.Enabled = false;
this.WindowState = FormWindowState.Normal;
break;
}
}
private static extern int CLIENT_LoginEx(string pchDVRIP, ushort wDVRPort, string pchUserName, string pchPassword, int nSpecCap, string pCapParam, out NET_DEVICEINFO lpDeviceInfo, out int error);
/// <summary>
/// 注册用户到设备的扩展接口，支持一个用户指定设备支持的能力
/// </summary>
/// <param name="pchDVRIP">设备IP</param>
/// <param name="wDVRPort">设备端口</param>
/// <param name="pchUserName">用户名</param>
/// <param name="pchPassword">用户密码</param>
/// <param name="nSpecCap">设备支持的能力，值为2表示主动侦听模式下的用户登录。[车载dvr登录]</param>
/// <param name="pCapParam">对nSpecCap 的补充参数, nSpecCap = 2时，pCapParam填充设备序列号字串。[车载dvr登录]</param>
/// <param name="lpDeviceInfo">设备信息,属于输出参数</param>
/// <param name="error">返回登录错误码</param>
/// <returns>失败返回0，成功返回设备ID</returns>
public static int DHLogin(string pchDVRIP, ushort wDVRPort, string pchUserName, string pchPassword, int nSpecCap, string pCapParam, out NET_DEVICEINFO lpDeviceInfo, out int error)
{
int result = CLIENT_LoginEx(pchDVRIP, wDVRPort, pchUserName, pchPassword, nSpecCap, pCapParam, out lpDeviceInfo, out error);
DHThrowLastError(result);
return result;
}
