public static bool IsSubnet(IpAddress _ip, int _maskBitsNum)
{
if (_ip.GetSubnetAddress(IpAddress.BuildMaskFromBits(_maskBitsNum)).CompareTo(_ip) != 0)
{
return(false);
}
return(true);
}
/// <summary>
/// 根据子网地址和掩码位数初始化子网类
/// </summary>
/// <param name="_ip">子网地址</param>
/// <param name="_maskBitsNum">掩码位数</param>
public Subnet(IpAddress _ip, int _maskBitsNum)
{
mask = IpAddress.BuildMaskFromBits(_maskBitsNum);
if (_ip.GetSubnetAddress(mask).CompareTo(_ip) != 0)
{
throw new SubnetErrorException("子网地址和掩码不搭配");
}
ip = _ip;
}