private void btnDecode_Click_1(object sender, EventArgs e) { bmp = (Bitmap)imgPicture1.Image; String plaintext = ""; if (txtFilelocation1.Text == String.Empty) { MessageBox.Show("Please choose image to Steganography!", "Warring!", MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (txtPass1.Text == String.Empty) { MessageBox.Show("Password is empty!!", "Warring!", MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } string textmahoa = LSB.extractText(bmp); try { plaintext = Mahoa.DecryptPass(textmahoa, txtPass1.Text); } catch (Exception ex) { MessageBox.Show("Password is wrong!"); return; } txtDecode.Text = plaintext; }