private void Password_TextBox_Check_PasswordChanged(object sender, RoutedEventArgs e)
 {
     Password_TextBox_Check.BeginAnimation(OpacityProperty, trash);
     if (animationCheck && Password_TextBox.Password != Password_TextBox_Check.Password)
     {
         Guid_Label.Content = "비밀번호가 일치하지 않습니다";
         animationCheck     = false;
     }
     else if (!animationCheck && Password_TextBox.Password == Password_TextBox_Check.Password)
     {
         PasswordSave_Button.BeginAnimation(OpacityProperty, fade);
         Guid_Label.Content = "시작하세요";
         animationCheck     = true;
     }
 }
 private void Password_TextBox_PasswordChanged(object sender, RoutedEventArgs e)
 {
     Password_TextBox.BeginAnimation(OpacityProperty, trash);
     if (animationCheck && Password_TextBox.Password.Length < 4)
     {
         Guid_Label.Content = "비밀번호는 4자 이상으로 해주세요";
         animationCheck     = false;
     }
     if (!animationCheck && Password_TextBox.Password.Length >= 4)
     {
         Password_TextBox_Check.BeginAnimation(OpacityProperty, fade);
         Guid_Label.Content = "비밀번호를 아래에 다시 적어주세요";
         animationCheck     = true;
     }
 }