private void trackBar_Scroll(object sender, EventArgs e) { Common.C = trackBar1.Value * 0.01; Common.S = trackBar6.Value * 2 + 1; Form1 main = (Form1)this.Owner; label22.Text = (trackBar1.Value * 0.01).ToString(); label24.Text = (trackBar6.Value * 2 + 1) + " x " + (trackBar6.Value * 2 + 1); if (main.RedImage != null && main.pictureBox2.Image != null) { main.Adaptive(); } }