private void button3_Click(object sender, EventArgs e)
{
SetLabelVisibel(10, false);
SetLabelVisibel(11, false);
SetLabelVisibel(12, false);
SetPictureBoxVisibel(2, false);
SetPictureBoxVisibel(3, false);
SetPictureBoxVisibel(4, false);
SetChartVisibel(1, false);
SetChartVisibel(2, false);
if (openImg != null)
{
Grayscale trans = new Grayscale();
Bitmap grayImg = new Bitmap(openImg);
// transform image to grayscale
grayImg = trans.Transform(openImg);
if (grayImg != null)
{
SetLabel(10, "Grayscale");
SetPictureBox(2, grayImg);
SetLabelVisibel(10, true);
SetPictureBoxVisibel(2, true);
}
else
{
SetLabelVisibel(10, false);
SetPictureBoxVisibel(2, false);
}
}
}