Vcl.FileCtrl.TDriveComboBox Properties
InheritedProtected
| Action | public | Specifies the action associated with the control. | 
| ActionLink | protected | Contains the action link object associated with the control. | 
| Align | published | |
| AlignControlList | protected | |
| AlignDisabled | public | Indicates child control realignment disabled. | 
| AlignWithMargins | published | Specifies whether a control should be constrained by margins. | 
| Anchors | published | |
| AutoCloseUp | public | Specifies whether the drop-down closes up automatically when the user selects an item. | 
| AutoComplete | published | |
| AutoCompleteDelay | public | Specifies the delay between a key press and an attempt to autocomplete the field. | 
| AutoDropDown | published | |
| AutoSize | protected | Specifies whether the control sizes itself automatically to accommodate its contents. | 
| BevelEdges | published | |
| BevelInner | published | |
| BevelKind | published | |
| BevelOuter | published | |
| BevelWidth | protected | Specifies the width of the inner and outer bevels. | 
| BiDiMode | public | Specifies the bidirectional mode for the control. | 
| BorderWidth | protected | Specifies the width of the control's border. | 
| BoundsRect | public | Specifies the bounding rectangle of the control, expressed in the coordinate system of the parent control. | 
| Brush | public | Determines the color and pattern used for painting the background of the control. | 
| Canvas | public | Provides access to the drawing surface of the combo box. | 
| Caption | protected | Specifies a text string that identifies the control to the user. | 
| CharCase | public | Determines the case of the text in the combo box. | 
| ClientHeight | public | Specifies the height of the control's client area in pixels. | 
| ClientOrigin | public | Specifies the screen coordinates (in pixels) of the upper-left corner of a control's client area. | 
| ClientRect | public | Specifies the size of a control's client area in pixels. | 
| ClientWidth | public | Specifies the horizontal size of the control's client area in pixels. | 
| Color | published | |
| ComObject | public | Specifies the interface reference implemented by the component. | 
| ComponentCount | public | Indicates the number of components owned by the component. | 
| ComponentIndex | public | Indicates the position of the component in its owner's Components property array. | 
| Components | public | Lists all components owned by the component. | 
| ComponentState | public | Describes the current state of the component, indicating when a component needs to avoid certain actions. | 
| ComponentStyle | public | Governs the behavior of the component. | 
| Constraints | published | |
| ControlCount | public | Returns the number of child controls. | 
| Controls | public | Lists all child controls. | 
| ControlState | public | Specifies the current state of a control at run time. | 
| ControlStyle | public | Determines style characteristics of the control. | 
| Ctl3D | published | |
| Cursor | published | Specifies the image used to represent the mouse pointer when it passes into the region covered by the control. | 
| CustomHint | published | CustomHint is a custom hint for the control. | 
| DefWndProc | protected | Specifies the default window procedure for the windowed control. | 
| DesignInfo | public | Contains information used by the Form designer. | 
| DesktopFont | protected | Specifies whether the control uses the Windows icon font when writing text. | 
| DirList | published | Connects the drive combo box to a directory list box. | 
| Disposed | protected | Disposed is a read-only property that shows the current state of this object. | 
| DockClientCount | public | Specifies the number of controls that are docked on the windowed control. | 
| DockClients | public | Lists the controls that are docked to the windowed control. | 
| DockManager | public | Specifies the control's docking manager interface. | 
| DockOrientation | public | DockOrientation specifies how the control is docked relative to other controls docked in the same parent. | 
| DockSite | public | Specifies whether the control can be the target of drag-and-dock operations. | 
| DoubleBuffered | published | |
| DragCursor | published | |
| DragKind | protected | Specifies whether the control is being dragged normally or for docking. | 
| DragMode | published | |
| Drive | public | Indicates the currently selected drive displayed in the edit portion of the combo box. | 
| DropDownCount | protected | Specifies the maximum number of items displayed in the drop-down list. | 
| DroppedDown | public | Indicates whether the drop-down list is currently displayed. | 
| EditHandle | protected | Returns the window handle for the edit portion of the combo box. | 
| Enabled | published | |
| ExplicitHeight | public | Specifies the explicit vertical size of the control in pixels. | 
| ExplicitLeft | public | Specifies the explicit horizontal pixel coordinate of the left edge of a component relative to its parent. | 
| ExplicitTop | public | Specifies the explicit vertical pixel coordinate of the top edge of a component relative to its parent. | 
| ExplicitWidth | public | Specifies the explicit horizontal size of the control in pixels. | 
| Floating | public | Specifies whether the control is floating. | 
| FloatingDockSiteClass | public | Specifies the class of the temporary control that hosts the control when it is floating. | 
| Font | published | |
| Handle | public | Provides access to the underlying Windows screen object for the control. | 
| Height | published | Specifies the vertical size of the control in pixels. | 
| HelpContext | published | The HelpContext property contains the numeric context ID that identifies the Help topic for the control. | 
| HelpKeyword | published | The HelpKeyword property contains the keyword string that identifies the Help topic for the control. | 
| HelpType | published | Specifies whether the control's context-sensitive Help topic is identified by a context ID or by keyword. | 
| Hint | published | Hint contains the text string that appears when the user moves the mouse over the control. | 
| HostDockSite | public | Specifies the control in which the control is docked. | 
| ImeMode | published | |
| ImeName | published | |
| IsControl | protected | Specifies whether a form stores its form-specific properties to a stream. | 
| ItemCount | protected | Specifies the number of items in the drop-down list. | 
| ItemHeight | protected | Specifies the height, in pixels, of the items in the drop-down list. | 
| ItemIndex | public | Specifies the index of the selected item. | 
| Items | public | Provides access to the list of items (strings) in the list portion of the combo box. | 
| Left | published | Specifies the horizontal coordinate of the left edge of a component relative to its parent. | 
| ListHandle | protected | Provides access to the window handle of the list of items in the combo box. | 
| LRDockWidth | public | Specifies the width of the control when it is docked horizontally. | 
| Margins | published | Specifies the margins of the control. | 
| MaxLength | protected | Specifies the maximum number of characters the user can type into the edit portion of the combo box. | 
| MouseCapture | protected | Specifies whether the control has "captured" mouse events. | 
| MouseInClient | public | Indicates whether the mouse pointer is currently in the client area of the control. | 
| Name | published | Specifies the name of the component as referenced in code. | 
| Observers | public | Indicates the TObservers object added to the TComponent. | 
| Owner | public | Indicates the component that is responsible for streaming and freeing this component. | 
| Padding | public | Specifies the padding of a control. | 
| Parent | public | Specifies the parent of the control. | 
| ParentBackground | protected | Determines whether the control uses its parent's theme background. | 
| ParentBiDiMode | protected | Specifies whether the control uses its parent's BiDiMode. | 
| ParentColor | published | |
| ParentCtl3D | published | |
| ParentCustomHint | published | Specifies where a control looks for its custom hint. | 
| ParentDoubleBuffered | published | |
| ParentFont | published | |
| ParentShowHint | published | |
| ParentWindow | public | Reference to parent's underlying control. | 
| PopupMenu | published | |
| ScalingFlags | protected | Reflects which attributes of the control have been scaled. | 
| SelLength | public | Specifies the length, in characters, of the selected text in the edit portion of the combo box. | 
| SelStart | public | Specifies the position of the first selected character in the edit portion of the combo box. | 
| SelText | public | Represents the selected text in the edit region. | 
| ShowHint | published | |
| Showing | public | Indicates whether the control is showing on the screen. | 
| Sorted | protected | Determines whether the list portion of the combo box is alphabetized. | 
| Style | protected | Determines the display style of the combo box. | 
| StyleElements | published | |
| TabOrder | published | |
| TabStop | published | |
| Tag | published | Stores a NativeInt integral value as a part of a component. | 
| TBDockHeight | public | Specifies the height of the control when it is docked vertically. | 
| Text | public | |
| TextCase | published | Determines if the volume name in the Text property appears in uppercase or lowercase. | 
| TextHint | public | Specifies the text that is displayed as a text watermark in the edit box of the combo box control. | 
| TipMode | protected | |
| Top | published | Specifies the Y coordinate of the upper-left corner of a control, relative to its parent or containing control in pixels. | 
| Touch | published | |
| UndockHeight | public | Specifies the height of the control when it is floating. | 
| UndockWidth | public | Specifies the width of the control when it is floating. | 
| UseDockManager | public | Specifies whether the docking manager is used in drag-and-dock operations. | 
| VCLComObject | public | Represents information used internally by components that support COM. | 
| Visible | published | |
| VisibleDockClientCount | public | Specifies the number of visible controls that are docked on the windowed control. | 
| WheelAccumulator | protected | Accumulates mouse wheel rotations. | 
| Width | published | Specifies the horizontal size of the control or form in pixels. | 
| WindowHandle | protected | Provides access to a window handle for the control. | 
| WindowText | protected | Specifies the text string of the control. |