//---------------------------------------------
//------------------ Task2 --------------------
#region Image processing
private void button3_Click(object sender, EventArgs e)
{
//Image processing load file button
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
InputImage = new Bitmap(Bitmap.FromFile(openFileDialog1.FileName), Bitmap.FromFile(openFileDialog1.FileName).Size.Width, Bitmap.FromFile(openFileDialog1.FileName).Size.Height);
InputImage = Gray.ImageGrayscale(InputImage);
pictureBox2.Image = InputImage;
loadf = true;
}
}