public void OnSelection(MaterialDialog p0, View p1, int p2, ICharSequence itemString)
 {
     try
     {
         if (itemString.ToString() == GetText(Resource.String.image))
         {
             ContextActivity.OnImage_Button_Click();
         }
         else if (itemString.ToString() == GetText(Resource.String.video))
         {
             ContextActivity.OnVideo_Button_Click();
         }
         else if (itemString.ToString() == Activity.GetText(Resource.String.text))
         {
             ContextActivity.OpenEditColor();
         }
     }
     catch (Exception e)
     {
         Console.WriteLine(e);
     }
 }