protected override void thresholdToolStripMenuItem_Click(object sender, EventArgs e)
{
if (imageList == null)
{
MessageBox.Show(this, Properties.Resources.LoadImage, strProgName);
return;
}
TrackbarDialog dialog = new TrackbarDialog();
dialog.SetForThreshold();
dialog.LabelText = Properties.Resources.Threshold;
dialog.ValueUpdated += new TrackbarDialog.HandleValueChange(UpdatedThreshold);
originalImage = imageList[imageIndex];
stack.Push(originalImage);
if (dialog.ShowDialog() == DialogResult.Cancel)
{
// restore original image
imageList[imageIndex] = originalImage;
this.pictureBox1.Image = new Bitmap(originalImage);
}
}
