| DateComparer | Performs a comparison between two DateTime instances. |
| DirectoryInfoNaturalComparer | Performs a natural string comparison between the directory names of two DirectoryInfo objects. https://en.wikipedia.org/wiki/Natural_sort_order |
| FileInfoNaturalComparer | Performs a natural string comparison between the file names of two FileInfo objects. https://en.wikipedia.org/wiki/Natural_sort_order |
| FileSystemInfoEqualityComparer | Defines methods to perform the comparison of two FileSystemInfo objects for equality. If the FullName property of the two objects are equal, the objects are considered equal. If the FullName property of the two objects differs, the objects are considered different. The FullName property is compared using OrdinalIgnoreCase rules. |
| ListViewColumnSorter | Performs a sorting operation in a ListView. |
| NumericComparer | Performs a comparison between two numeric values. |
| StringLengthComparer | Performs a comparison between the length of two String values. |
| StringNaturalComparer | Performs a natural string comparison between two String values. https://en.wikipedia.org/wiki/Natural_sort_order |
| TextComparer | Performs a comparison between two string values. |
| ComparerResult | Specifies a comparison result. |
| SortModifiers | Specifies a Sorting Modifier. |