עזרה בתכנות

[nadav1372]

using System;
using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace IPScannerByNR
{
public partial class Form1 : Form
{
private string _ipAddress = "1.51.98";
private bool isRunning = false;

public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
if (isRunning)
{
MessageBox.Show("Operation already in progress.");
return;
}

isRunning = true;
button1.Enabled = false;
dataGridView1.Rows.Clear();

Task.Run(() => RunPingScript()).ContinueWith(t =>
{
this.Invoke((Action)(() =>
{
button1.Enabled = true;
isRunning = false;
}));
});
}

private void setIpButton_Click(object sender, EventArgs e)
{
string ipAddressInput = ipAddressTextBox.Text;

System.Net.IPAddress ipAddress;

if (string.IsNullOrEmpty(ipAddressInput) || !System.Net.IPAddress.TryParse(ipAddressInput, out ipAddress))
{
MessageBox.Show("Please Enter a Valid IP address.", "Invalid IP", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
_ipAddress = ipAddressInput;

dataGridView1.Rows.Clear();
}

private void RunPingScript()
{
string batchFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "pingScript.bat");

string scriptContent = "@echo off\n" +
"setlocal enabledelayedexpansion\n" +
"for /L %%i in (2,1,254) do (\n" +
" set \"status=Unknown\"\n" +
" ping -4 -n 1 -f " + _ipAddress + ".%%i > tempPingResult.txt\n" +
" for /f \"tokens=* delims=\" %%a in (tempPingResult.txt) do (\n" +
" echo %%a | find /i \"Request timed out.\" > nul && set \"status=Request Timed out\"\n" +
" echo %%a | find /i \"Destination host unreachable.\" > nul && set \"status=Destination host unreachable\"\n" +
" echo %%a | find /i \"TTL=\" > nul && if \"!status!\" == \"Unknown\" set \"status=In Use\"\n" +
" )\n" +
" if \"" + _ipAddress + ".%%i\" == \"" + _ipAddress + ".1\" (\n" +
" set \"status=In Use\"\n" +
" )\n" +
" echo " + _ipAddress + ".%%i !status!\n" +
")\n" +
"del tempPingResult.txt";

File.WriteAllText(batchFilePath, scriptContent);

ProcessStartInfo processInfo = new ProcessStartInfo("cmd.exe", "/c " + batchFilePath)
{
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false,
CreateNoWindow = true
};

using (Process process = new Process())
{
process.StartInfo = processInfo;

process.OutputDataReceived += (sender, args) =>
{
if (args.Data != null)
{
this.BeginInvoke((Action)(() =>
{
if (!this.IsDisposed && this.IsHandleCreated)
{
UpdateDataGridView(args.Data);
}
}));
}
};

process.ErrorDataReceived += (sender, args) =>
{
if (args.Data != null)
{
Console.Error.WriteLine("Error: " + args.Data);
}
};

try
{
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
process.WaitForExit();
}
catch (Exception ex)
{
Console.Error.WriteLine("Exception occurred: " + ex.Message);
}
}
}
private void UpdateDataGridView(string output)
{

string[] parts = output.Split(new[] { ' ' }, 2);

if (parts.Length > 1)
{

string ip = parts[0];

string status = parts[1].Trim();



if (ip == _ipAddress + ".1" && status == "Unknown")
{

status = "In Use";

}

int rowIndex = dataGridView1.Rows.Add(ip, status);



switch (status)
{

case "Request Timed out":

dataGridView1.Rows[rowIndex].DefaultCellStyle.BackColor = System.Drawing.Color.Red;

break;

case "Destination host unreachable":

dataGridView1.Rows[rowIndex].DefaultCellStyle.BackColor = System.Drawing.Color.Green; // Use a different color if needed

break;

case "In Use":

dataGridView1.Rows[rowIndex].DefaultCellStyle.BackColor = System.Drawing.Color.Orange;

break;

default:

dataGridView1.Rows[rowIndex].DefaultCellStyle.BackColor = System.Drawing.Color.Gray;

break;

}

Console.WriteLine("Added IP: " + ip + " Status: " + status);

}

else
{

Console.WriteLine("Output: " + output);

}

}

private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex >= 0 && e.ColumnIndex >= 0)
{
DataGridViewRow row = dataGridView1.Rows[e.RowIndex];
string ipAddress = row.Cells["ipAddressColumn"].Value.ToString();
string status = row.Cells["statusColumn"].Value.ToString();
MessageBox.Show("IP Address: " + ipAddress + "\nStatus: " + status + " Cell Clicked");
}
}
}
}​