C#

Robert.C.Cartaino wrote:

When objects go out of scope, they automatically become subject to garbage collection.

Robert.C.Cartaino wrote:

I've never tried doing this myself but, from what I understand it's generally not a good idea to tinker with garbage collection. GC is an extremely intelligent and streamlined process and futzing around with it usually causes more harm than good.

Saksida Bojan wrote:

I am also importing WinAPI calls.

public Form1()
{
    this.MouseDown += new MouseEventHandler(Form1_MouseDown);
}

void Form1_MouseDown(object sender, MouseEventArgs e)
{
     if(e.Button == MouseButtons.Middle)
      ...
}

private void button1_MouseDown ( object sender , System.Windows.Forms.MouseEventArgs e )
{
    switch ( e.Button )
    {
        case System.Windows.Forms.MouseButtons.Left : ...
    }
}

>>> Regex.IsMatch("3", "[a-zA-z]") 
false

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (Regex.IsMatch(textBox1.Text, @"[a-zA-z]") == false)
            {
                MessageBox.Show("false - input is numeric.");
            }
            else
            {
                MessageBox.Show("true - input is non-numeric.");
            }
        }
    }
}

System.IO.StreamReader sr = new System.IO.StreamReader("c:\\1.txt");
String Line =  sr.ReadLine();