| VCL Object and Component | .NET |
| IDesignerHook | |
| TApplication | System.Windows.Forms.Application |
| TBorderIcon | |
| TBorderStyle | System.Windows.Forms.FormBorderStyle |
| TControlScrollBar | System.Windows.Forms.ScrollBar |
| TCustomActiveForm | System.Windows.Forms.Form |
| TCustomDockForm | System.Windows.Forms.Form |
| TCustomForm | System.Windows.Forms.Form |
| TCustomFrame | System.Windows.Forms.Form |
| TDefaultMonitor | |
| TForm | System.Windows.Forms.Form |
| TFormBorderStyle | System.Windows.Forms.FormBorderStyle |
| TFormStyle | |
| TFrame | System.Windows.Forms.Form |
| TMonitor | System.Object |
| TPosition | System.Windows.Forms.FormStartPosition |
| TPrintScale | |
| TScreen | System.Windows.Forms.Screen |
| TScrollBarKind | System.Windows.Forms.ScrollBars |
| TScrollBox | System.Windows.Forms.Panel |
| TScrollingWinControl | System.Windows.Forms.Form |
| TShowAction | |
| TWindowState | System.Windows.Forms.FormWindowState |