// Button to save the new image
private void OnbuttonSave_Click(object sender, EventArgs e)
{
// Open file save dialog window
SaveFileDialog sfd = new SaveFileDialog
{
Title = "Specify a file name and file path",
Filter = "Png Images(*.png)|*.png"
};
// If OK is clicked
if (sfd.ShowDialog() == DialogResult.OK)
{
imageController.SaveImage(sfd.FileName);
}
}