private void button1_Click(object sender, EventArgs e) { System.Drawing.Graphics Desen; Desen = this.CreateGraphics(); System.Drawing.Pen Creion_albastru; System.Drawing.SolidBrush Pensula_albastra; Pensula_albastra = new System.Drawing.SolidBrush(System.Drawing.Color.Blue); Creion_albastru = new System.Drawing.Pen(System.Drawing.Color.Blue); if (this.radioButton1.Checked) { Desen.DrawLine(Creion_albastru, 150, 50, 350, 100); } if (this.radioButton2.Checked) { Desen.Clear(this.BackColor); Desen.DrawRectangle(Creion_albastru, 250, 50, 200, 100); } if (this.radioButton3.Checked) { Desen.Clear(this.BackColor); Desen.DrawEllipse(Creion_albastru, 250, 150, 105, 105); } if (this.radioButton4.Checked) { Desen.Clear(this.BackColor); Desen.DrawEllipse(Creion_albastru, 150, 50, 95, 200); } if (this.radioButton5.Checked) { Desen.Clear(this.BackColor); Desen.FillRectangle(Pensula_albastra, 250, 50, 200, 100); } if (this.radioButton6.Checked) { Desen.Clear(this.BackColor); Desen.FillEllipse(Pensula_albastra, 150, 50, 95, 200); } }