private void gradToolStripMenuItem_Click(object sender, EventArgs e)
{
temp_image = new Bitmap(pictureBox1.Image);
Filters filter = new GradFilter();
backgroundWorker1.RunWorkerAsync(filter);
}
private void gradToolStripMenuItem_Click(object sender, EventArgs e)
{
GradFilter filter = new GradFilter();
Bitmap newImage = filter.ProcessImage(image);
if (backgroundWorker1.CancellationPending != true)
{
image = newImage;
}
pictureBox1.Image = image;
pictureBox1.Refresh();
}