public int EnableOrDisableNetworkAdapter(string strOperation)
{
int resultEnableDisableNetworkAdapter = (int)EnumEnableDisableResult.Unknow;
ManagementObject crtNetworkAdapter = new ManagementObject();
string strWQuery = string.Format("SELECT DeviceID, ProductName, "
+ "NetEnabled, NetConnectionStatus "
+ "FROM Win32_NetworkAdapter " + "WHERE DeviceID = {0}", DeviceId);
try
{
ManagementObjectCollection networkAdapters =
WMIOperation.WMIQuery(strWQuery);
foreach (ManagementObject networkAdapter in networkAdapters)
{
crtNetworkAdapter = networkAdapter;
}
crtNetworkAdapter.InvokeMethod(strOperation, null);
Thread.Sleep(500);
while (GetNetEnabled() != ((strOperation.Trim() == "Enable")
? (int)EnumNetEnabledStatus.Enabled
: (int)EnumNetEnabledStatus.Disabled))
{
Thread.Sleep(100);
}
resultEnableDisableNetworkAdapter =
(int)EnumEnableDisableResult.Success;
}
catch (NullReferenceException)
{
resultEnableDisableNetworkAdapter = (int)EnumEnableDisableResult.Fail;
}
crtNetworkAdapter.Dispose();
return(resultEnableDisableNetworkAdapter);
}
public NetworkAdapter(int deviceId)
{
ManagementObject crtNetworkAdapter = new ManagementObject();
string strWQuery = string.Format("SELECT DeviceID, ProductName, "
+ "NetEnabled, NetConnectionStatus "
+ "FROM Win32_NetworkAdapter "
+ "WHERE DeviceID = {0}", deviceId);
try
{
ManagementObjectCollection networkAdapters
= WMIOperation.WMIQuery(strWQuery);
foreach (ManagementObject networkAdapter in networkAdapters)
{
crtNetworkAdapter = networkAdapter;
break;
}
DeviceId = deviceId;
Name = crtNetworkAdapter["ProductName"].ToString();
NetEnabled = (
Convert.ToBoolean(crtNetworkAdapter["NetEnabled"].ToString()))
? (int)EnumNetEnabledStatus.Enabled
: (int)EnumNetEnabledStatus.Disabled;
NetConnectionStatus = Convert.ToInt32(
crtNetworkAdapter["NetConnectionStatus"].ToString());
}
catch (NullReferenceException)
{
DeviceId = -1;
Name = string.Empty;
NetEnabled = 0;
NetConnectionStatus = -1;
}
}
public int GetNetEnabled()
{
int netEnabled = (int)EnumNetEnabledStatus.Unknow;
string strWQuery = string.Format("SELECT NetEnabled FROM Win32_NetworkAdapter "
+ "WHERE DeviceID = {0}", DeviceId);
try
{
ManagementObjectCollection networkAdapters =
WMIOperation.WMIQuery(strWQuery);
foreach (ManagementObject networkAdapter in networkAdapters)
{
netEnabled =
(Convert.ToBoolean(networkAdapter["NetEnabled"].ToString()))
? (int)EnumNetEnabledStatus.Enabled
: (int)EnumNetEnabledStatus.Disabled;
}
}
catch (NullReferenceException)
{
// If NullReferenceException return (EnumNetEnabledStatus.Unknow)
}
return(netEnabled);
}
