public bool TryGetStartNumber(out long startNumber)
 {
     if (_error.IsFixed)
     {
         startNumber = Settings.Default.SplitStartNumber;
         return(true);
     }
     else
     {
         _error.Show();
         startNumber = default;
         return(false);
     }
 }
 public bool TryGetSplitSize(out long splitSize)
 {
     if (_error.IsFixed)
     {
         splitSize = Settings.Default.SplitSize;
         return(true);
     }
     else
     {
         _error.Show();
         splitSize = default;
         return(false);
     }
 }