private void button2_Click(object sender, EventArgs e)
{
Extracted_Watermark frm4 = new Extracted_Watermark();
frm4.Show();
// Recover the hidden image.
int num_bits = 2;
frm4.pictureBox1.Image = Watermark_Invisible.RecoverImage(
(Bitmap)pictureBox1.Image, num_bits);
}
// Hide and then recover the image.
private void btnGo_Click(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
int num_bits = (int)nudHiddenBits.Value;
// Hide the image.
picCombined.Image = Watermark_Invisible.HideImage(
(Bitmap)picVisible.Image,
(Bitmap)picHidden.Image, num_bits);
// Recover the hidden image.
picRecovered.Image = Watermark_Invisible.RecoverImage(
(Bitmap)picCombined.Image, num_bits);
Cursor = Cursors.Default;
}