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.IO;

namespace ImageEditor
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog opendialog = new OpenFileDialog();
            opendialog.ShowDialog();
            Bitmap bit1 = new Bitmap(opendialog.FileName);
            pictureBox1.Image = bit1;

        }

        private void button3_Click(object sender, EventArgs e)
        {
            colordiag.ShowDialog();

        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
            using (Graphics gra = Graphics.FromImage(pictureBox1.Image))
            {
                Point pnt1 = new Point(MousePosition.X);
                Point pnt2 = new Point(MousePosition.Y);
                using (Pen pen1 = new Pen(colordiag.Color))
                {
                    gra.DrawLine(pen1, pnt1, pnt2);
                }
            }
            pictureBox1.Refresh();

        }

    }
}