//---histogram equalization private void histgramEqualizationToolStripMenuItem_Click(object sender, EventArgs e) { myImage.HistCalculation(); myImage.HistEqualize(ref myImage); panel.Refresh(); myImage.HistCalculation(); histForm.getIndex = myImage; if (histForm != null & histForm.Visible == true) { histForm.Refresh(); } gTransForm.getIndex = myImage; if (gTransForm != null & gTransForm.Visible == true) { gTransForm.Refresh(); } }