How can I unmask password text box and mask it back to password?

Question

How can password textbox that set to :

password_txtBox.PasswordChar =\"*\"

to be unmasked ( from checkbox ) and then mask again
without

Answer 1

For winforms:

private void checkBoxShowPassword_CheckedChanged(object sender, EventArgs e) {
   textBoxPassword.PasswordChar = checkBoxShowPassword.Checked ? '\0' : '*';
}