<Window x:Class="PortTest.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

        xmlns:local="clr-namespace:PortTest"

        mc:Ignorable="d"

        Title="PortScan" Height="" Width="">

    <Grid>

        <Menu>

            <MenuItem Header="About" FontSize="" Name="About" Click="About_Click"/>

        </Menu>

        <StackPanel Margin="">

            <WrapPanel>

                <Label FontSize="" >开始ip</Label>

                <TextBox Width="" Name="startIP"  FontSize="" VerticalAlignment="Center"></TextBox>

                <Label FontSize="">开始端口</Label>

                <TextBox Width="" Name="startPort" PreviewTextInput="Number_PreviewTextInput"  FontSize="" VerticalAlignment="Center"></TextBox>

            </WrapPanel>

            <WrapPanel Margin="0 10">

                <Label FontSize="">结束ip</Label>

                <TextBox Width="" Name="endIP" GotFocus="endIP_GotFocus"  FontSize="" VerticalAlignment="Center"></TextBox>

                <Label FontSize="">结束端口</Label>

                <TextBox Width="" Name="endPort" PreviewTextInput="Number_PreviewTextInput" GotFocus="endPort_GotFocus"  FontSize="" VerticalAlignment="Center"></TextBox>

            </WrapPanel>

            <WrapPanel>

                <Label FontSize="">超时时长(ms)</Label>

                <TextBox Name="timeOut" PreviewTextInput="Number_PreviewTextInput" FontSize="" VerticalAlignment="Center" Width=""></TextBox>

            </WrapPanel>

            <Button Click="Btn_Test" Width="" Height="" Margin="276,15">开始测试</Button>

            <ListView Name="resultListView" Height=""></ListView>

        </StackPanel>

    </Grid>

</Window>

public static ulong IP2ULong(string ip)

        {

            if (!CheckIP(ip))

            {

                //ip error

                MessageBox.Show("ip错误");

            }

            List<ulong> data = new List<ulong>();

            var ips = ip.Split('.');

            foreach (var item in ips)

            {

                data.Add(ulong.Parse(item));

            }

            ulong result = ;

            ulong first = data[] *  *  * ;

            ulong second = data[] *  * ;

            ulong third = data[] * ;

            result = first + second + third + data[];

            return result;

        }

        public static string ULong2IP(ulong ip)

        {

            ulong tmp = ip;

            ulong last = tmp % ;

            tmp = tmp - last;

            ulong third = tmp % ( * )/;

            tmp = tmp - third;

            ulong second = tmp % ( *  * )//;

            tmp = tmp - third;

            ulong first = tmp % ((ulong) *  *  * )///;

            return $"{first}.{second}.{third}.{last}";

        }

IPAddress ip = IPAddress.Parse(ipStr);

IPEndPoint point = new IPEndPoint(ip, port);

Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

var result = s.BeginConnect(point, null, null);

result.AsyncWaitHandle.WaitOne(timeoutValue, true);

if (!result.IsCompleted)

{

         AddLog($"【{ipStr}:{port}】:timeout");

         s.Close();

}

else

{

       AddLog($"【{ipStr}:{port}】:success");

       s.Close();

}