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; namespace Bojenje_Krugova { public partial class Form1 : Form { public Form1() { InitializeComponent(); } SolidBrush cetka = new SolidBrush(Color.Blue); private void radioButton1_CheckedChanged(object sender, EventArgs e) { pictureBox1.Refresh(); if (radioButton1.Checked) { Graphics g = pictureBox1.CreateGraphics(); Pen olovka = new Pen(Color.Red, 5); g.DrawEllipse(olovka, 200, 50, 200, 200); } } private void groupBox1_Enter(object sender, EventArgs e) { } private void radioButton2_CheckedChanged(object sender, EventArgs e) { pictureBox1.Refresh(); if (radioButton2.Checked) { Graphics g = pictureBox1.CreateGraphics(); Pen olovka = new Pen(Color.Green, 5); g.DrawEllipse(olovka, 200, 50, 200, 200); } } private void radioButton3_CheckedChanged(object sender, EventArgs e) { pictureBox1.Refresh(); if (radioButton3.Checked) { Graphics g = pictureBox1.CreateGraphics(); Pen olovka = new Pen(Color.Blue, 5); g.DrawEllipse(olovka, 200, 50, 200, 200); } } private void checkBox1_CheckedChanged(object sender, EventArgs e) { if ((checkBox1.Checked) && (radioButton1.Checked)) { Graphics g = pictureBox1.CreateGraphics(); Brush cetka = new SolidBrush(Color.Red); g.FillEllipse(cetka, 200,50,200,200); } else if ((checkBox1.Checked) && (radioButton2.Checked)) { Graphics g = pictureBox1.CreateGraphics(); Brush cetka = new SolidBrush(Color.Green); g.FillEllipse(cetka, 200, 50, 200, 200); } else if ((checkBox1.Checked) && (radioButton3.Checked)) { Graphics g = pictureBox1.CreateGraphics(); Brush cetka = new SolidBrush(Color.Blue); g.FillEllipse(cetka, 200, 50, 200, 200); } } } }