/// <summary>
/// List all the NetworkAdapters
/// </summary>
/// <returns>The list of all NetworkAdapter of the machine</returns>
public static NetworkAdapter GetNetworkAdapterByDeviceId(int deviceId)
{
NetworkAdapter na = null;
// Manufacturer <> 'Microsoft'to get all none virtual devices.
// Because the AdapterType property will be null if the NetworkAdapter is
// disabled, so we do not use NetworkAdapter = 'Ethernet 802.3' or
// NetworkAdapter = 'Wireless’
string strWQuery = "SELECT DeviceID, ProductName, "
+ "NetEnabled, NetConnectionStatus "
+ "FROM Win32_NetworkAdapter "
+ "WHERE Manufacturer <> 'Microsoft' "
+ $" and DeviceID = {0}";
ManagementObjectCollection networkAdapters = WMIOperation.WMIQuery(strWQuery);
foreach (ManagementObject moNetworkAdapter in networkAdapters)
{
try
{
na = new NetworkAdapter(
Convert.ToInt32(moNetworkAdapter["DeviceID"].ToString()),
moNetworkAdapter["ProductName"].ToString(),
(Convert.ToBoolean(moNetworkAdapter["NetEnabled"].ToString()))
? (int)EnumNetEnabledStatus.Enabled
: (int)EnumNetEnabledStatus.Disabled,
Convert.ToInt32(moNetworkAdapter["NetConnectionStatus"].ToString()
));
}
catch (NullReferenceException)
{
// Ignore some other devices (like the bluetooth), that need user
// interaction to enable or disable.
}
}
return(na);
}
/// <summary>
/// Get the NetworkAdapter Netenabled Property
/// </summary>
/// <returns>Whether the NetworkAdapter is enabled</returns>
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);
}
