Today we will discuss regarding Compare two objects in C# with example.

Let us take a example for Compare two objects in C# where we have a class called FileDesc which has property file name, we want to create a collection of FileDesc class which should contains only distinct file name.

To achieve this scenario we have to compare objects of class FileDesc.

Example:

public class CompareFileName : IEqualityComparer<FileDesc>
        {
            public bool Equals(FileDesc x, FileDesc y)
            {
                return (x.Fname == y.Fname) ? true : false;
            }

            public int GetHashCode(FileDesc obj)
            {
                //  return 0;
                if (Object.ReferenceEquals(obj, null)) return 0;
                int hashFirst = obj.Fname == null ? 0 : obj.Fname.GetHashCode();
                int hashLast = obj.Fname.GetHashCode();
                return hashFirst ^ hashLast;
            }
        }

How to use it..

GridDetailed.ItemsSource = collection_files.Distinct(new CompareFileName());

Your feedback is always welcome.

Thanks, Happy coding 🙂