| VCL Object and Component | .NET |
| ECommonCalendarError | System.Exception |
| EDateTimeError | System.Exception |
| EMonthCalError | System.Exception |
| ETreeViewError | System.Exception |
| TAnimate | |
| TAutoCompleteOption | System.Windows.Forms.AutoCompleteMode |
| TCalDayOfWeek | System.Windows.Forms.Day |
| TComboBoxEx | System.Windows.Forms.ComboBox |
| TComboBoxExStyle | System.Windows.Forms.ComboBoxStyle |
| TComboExItem | System.Object |
| TComboExItems | System.Windows.Forms.ComboBox.ObjectCollection |
| TCommonCalendar | System.Object |
| TConversion | System.Object |
| TCoolBand | |
| TCoolBands | System.Collections.ArrayList |
| TCoolBar | System.Windows.Forms.ToolBar |
| TCustomHeaderControl | System.Windows.Forms.Control |
| TCustomHotKey | System.Windows.Forms.Control |
| TCustomListView | System.Windows.Forms.ListView |
| TCustomRichEdit | System.Windows.Forms.RichTextBox |
| TCustomStatusBar | System.Windows.Forms.StatusBar |
| TCustomTabControl | System.Windows.Forms.TabControl |
| TCustomTreeView | System.Windows.Forms.TreeView |
| TCustomUpDown | System.Windows.Forms.UpDownBase |
| TDateTimePicker | System.Windows.Forms.DateTimePicker |
| TDTCalAlignment | System.Windows.Forms.LeftRightAlignment |
| TDTDateFormat | System.Windows.Forms.DateTimePickerFormat |
| THeaderControl | System.Windows.Forms.ListView.ColumnHeaderCollection |
| THeaderSection | |
| THeaderSections | System.Windows.Forms.ListView.ColumnHeaderCollection |
| THotKey | |
| TIconOptions | System.Object |
| TListArrangement | System.Windows.Forms.ListViewAlignment |
| TListColumn | |
| TListColumns | System.Windows.Forms.ListView.ColumnHeaderCollection |
| TListItem | System.Windows.Forms.ListViewItem |
| TListItems | System.Windows.Forms.ListView.ListViewItemCollection |
| TListView | System.Windows.Forms.ListView |
| TMonthCalColors | System.Windows.Forms.MonthCalendar |
| TMonthCalendar | System.Windows.Forms.MonthCalendar |
| TNodeState | System.Windows.Forms.TreeNodeStates |
| TPageControl | System.Windows.Forms.TabControl |
| TPageScroller | System.Windows.Forms.Control |
| TParaAttributes | System.Object |
| TProgressBar | System.Windows.Forms.ProgressBar |
| TProgressBarOrientation | System.Windows.Forms.Orientation |
| TRichEdit | System.Windows.Forms.RichTextBox |
| TStatusBar | System.Windows.Forms.StatusBar |
| TStatusPanel | System.Windows.Forms.StatusBarPanel |
| TStatusPanelBevel | System.Windows.Forms.StatusBarPanelBorderStyle |
| TStatusPanels | System.Windows.Forms.StatusBar.StatusBarPanelCollection |
| TStatusPanelStyle | System.Windows.Forms.StatusBarPanelStyle |
| TTabControl | System.Windows.Forms.TabControl |
| TTabPosition | System.Windows.Forms.TabAlignment |
| TTabSheet | System.Windows.Forms.TabPage |
| TTabStyle | System.Windows.Forms.TabAppearance |
| TTextAttributes | System.Drawing.Font |
| TTickMark | System.Windows.Forms.TickStyle |
| TToolBar | System.Windows.Forms.ToolBar |
| TToolButton | System.Windows.Forms.ToolBarButton |
| TToolButtonActionLink | |
| TToolButtonStyle | System.Windows.Forms.ToolBarButtonStyle |
| TTrackBar | System.Windows.Forms.TrackBar |
| TTrackBarOrientation | System.Windows.Forms.Orientation |
| TTreeNode | System.Windows.Forms.TreeNode |
| TTreeNodes | System.Windows.Forms.TreeNodeCollection |
| TTreeView | System.Windows.Forms.TreeView |
| TUDAlignButton | System.Windows.Forms.LeftRightAlignment |
| TUDOrientation | System.Windows.Forms.Orientation |
| TUpDown | System.Windows.Forms.NumericUpDown |
| TViewStyle | System.Windows.Forms.View |
| TWorkArea | System.Object |
| TWorkAreas | System.Collections.ArrayList |
| Routines |