static bool IsEqualBookmark(SDBookmark a, SDBookmark b)
		{
			if (a == b)
				return true;
			if (a == null || b == null)
				return false;
			if (a.GetType() != b.GetType())
				return false;
			if (a.FileName != b.FileName)
				return false;
			return a.LineNumber == b.LineNumber;
		}
 static bool IsEqualBookmark(SDBookmark a, SDBookmark b)
 {
     if (a == b)
     {
         return(true);
     }
     if (a == null || b == null)
     {
         return(false);
     }
     if (a.GetType() != b.GetType())
     {
         return(false);
     }
     if (a.FileName != b.FileName)
     {
         return(false);
     }
     return(a.LineNumber == b.LineNumber);
 }