//---negative image
private void negativeToolStripMenuItem_Click(object sender, EventArgs e)
{
myImage.negative();
panel.Refresh();
if (histForm != null || histForm.IsDisposed == false)
{
myImage.HistCalculation();
histForm.getIndex = myImage;
histForm.Refresh();
}
if (gTransForm != null || gTransForm.IsDisposed == false)
{
myImage.HistCalculation();
gTransForm.getIndex = myImage;
gTransForm.Refresh();
}
}
