private void button1_Click(object sender, EventArgs e)
{
string path = "C:\\Ip.txt";
string t = FileReadWrite.ReadFile(path);
MessageBox.Show(t);
}
private void button1_Click(object sender, EventArgs e)
{
string filename = "C:\\Ip.txt";
if (checkIP(textBox1.Text, "9999"))
{
string data = textBox1.Text;
FileReadWrite.WriteFile(filename, data);
this.Dispose();
}
}