| VCL Object and Component | .NET |
| TDirectory | System.IO.Directory |
| TFile | System.IO.File |
| TFileAccess | System.IO.FileAccess |
| TFileAttribute | System.IO.FileAttribute |
| TFileMode | System.IO.FileMode |
| TFileShare | System.IO.FileShare |
| TPath | System.IO.Path |
| TSearchOption | System.IO.SearchOption |