//获取DNS列表的回调函数
private void DNSListNotify(Int32 _iCount, IntPtr _pDns)
{
for (int i = 0; i < _iCount; i++)
{
//创建结构体REG_DNS
REG_DNS stDns = new REG_DNS();
//指针下移，读取下一数据
IntPtr pDns = (IntPtr)((UInt32)_pDns + i * Marshal.SizeOf(stDns));
stDns = (REG_DNS)Marshal.PtrToStructure(pDns, typeof(REG_DNS));
string strNvsName = Bytes2Str(stDns.m_stDNSInfo.m_stNvs.m_btNvsName);
string strFactoryID = Bytes2Str(stDns.m_stDNSInfo.m_stNvs.m_btFactoryID);
string strLANIP = Bytes2Str(stDns.m_stDNSInfo.m_stNvs.m_btNvsIP);
string strWANIP = Bytes2Str(stDns.m_stDNSInfo.m_stReserve.m_btReserved1);
int iPort = stDns.m_stDNSInfo.m_iPort;
int iNvsType = stDns.m_stDNSInfo.m_stNvs.m_iNvsType;
int iChannel = stDns.m_stDNSInfo.m_iChannel;
string strAccount = "";
string strPwd = "";
//创建匿名委托，以处理跨线程修改DataGridView控件属性
MethodInvoker notify = delegate()
{
//为DataGridView创建新行
dgvDNS.Rows.Add
(
new object[]
{
strNvsName,
strFactoryID,
strLANIP,
strWANIP,
iPort,
iNvsType,
iChannel,
strAccount,
strPwd,
DateTime.Now
}
);
};
//将匿名委托交给DataGridView控件处理
dgvDNS.Invoke(notify);
}
}
//进行DNS查询操作
private void btnDNSQuery_Click(object sender, EventArgs e)
{
//创建REG_DNS结构体
REG_DNS stRegDNS = new REG_DNS();
//以ID方式进行查询
if (rdoDNSID.Checked)
{
if (textDNSID.Text.Trim() == "")
{
MessageBox.Show("DNS ID 不能为空 ! ");
return;
}
//Byte数组进行赋值
Array.Copy(Encoding.ASCII.GetBytes(textDNSID.Text), stRegDNS.m_stDNSInfo.m_stNvs.m_btFactoryID, textDNSID.Text.Length);
}
else
{
//以域名方式进行查询
if (textDNSDomainName.Text.Trim() == "")
{
MessageBox.Show("DNS DomainName 不能为空 ! ");
return;
}
//Byte数组进行赋值
Array.Copy(Encoding.ASCII.GetBytes(textDNSDomainName.Text), stRegDNS.m_stDNSInfo.m_stNvs.m_btNvsName, textDNSDomainName.Text.Length);
}
Array.Copy(Encoding.ASCII.GetBytes(UserName), stRegDNS.m_stDNSInfo.m_btUserName, UserName.Length);
Array.Copy(Encoding.ASCII.GetBytes(Password), stRegDNS.m_stDNSInfo.m_btPwd, Password.Length);
//清空DataGridView
dgvDNS.Rows.Clear();
int iRet = -1;
IntPtr pDns = IntPtr.Zero;
try
{
//申请结构体REG_DNS所需的内存
pDns = Marshal.AllocHGlobal(Marshal.SizeOf(stRegDNS));
//将stRegDNS存入刚申请的内存
Marshal.StructureToPtr(stRegDNS, pDns, true);
//查询DNS设备信息
iRet = NVSSDK.NSLook_Query(ServerID, pDns, IntPtr.Zero, NVSSDK.TYPE_DNS);
//从内存中读出stRegDNS的值
stRegDNS = (REG_DNS)Marshal.PtrToStructure(pDns, typeof(REG_DNS));
}
catch (Exception ex)
{
//将异常输出到Output窗口
Debug.WriteLine(ex.Message);
}
finally
{
//释放内存
Marshal.FreeHGlobal(pDns);
}
//操作失败
if (iRet != 0)
{
MessageBox.Show("NSLook_Query DNS Error ! " + iRet);
return;
}
//为DataGridView添加新行
dgvDNS.Rows.Add
(
new object[]
{
Bytes2Str(stRegDNS.m_stDNSInfo.m_stNvs.m_btNvsName),
Bytes2Str(stRegDNS.m_stDNSInfo.m_stNvs.m_btFactoryID),
Bytes2Str(stRegDNS.m_stDNSInfo.m_stNvs.m_btNvsIP),
Bytes2Str(stRegDNS.m_stDNSInfo.m_stReserve.m_btReserved1),
stRegDNS.m_stDNSInfo.m_iPort,
stRegDNS.m_stDNSInfo.m_stNvs.m_iNvsType,
stRegDNS.m_stDNSInfo.m_iChannel,
"",
"",
DateTime.Now
}
);
}