Vcl.StdCtrls.TCustomComboBox Properties

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InheritedProtected
ActionpublicSpecifies the action associated with the control.
ActionLinkprotectedContains the action link object associated with the control.
AlignpublicDetermines how the control aligns within its container (parent control).
AlignControlListprotected
AlignDisabledpublicIndicates child control realignment disabled.
AlignWithMarginspublishedSpecifies whether a control should be constrained by margins.
AnchorspublicSpecifies how the control is anchored to its parent.
AutoCloseUppublicSpecifies whether the drop-down closes up automatically when the user selects an item.
AutoCompletepublicPositions to matching list items as you type.
AutoCompleteDelaypublicSpecifies the delay between a key press and an attempt to autocomplete the field.
AutoDropDownpublicSpecifies whether the drop-down list drops down automatically in response to user keystrokes.
AutoDropDownWidthpublicSetting TCustomComboBox.AutoDropDownWidth to True causes the dropdown list width to be automatically set to as wide as the widest string in the combobox items.
AutoSizeprotectedSpecifies whether the control sizes itself automatically to accommodate its contents.
BevelEdgesprotectedSpecifies which edges of the control are beveled.
BevelInnerprotectedSpecifies the cut of the inner bevel.
BevelKindprotectedSpecifies the control's bevel style.
BevelOuterprotectedSpecifies the cut of the outer bevel.
BevelWidthprotectedSpecifies the width of the inner and outer bevels.
BiDiModepublicSpecifies the bidirectional mode for the control.
BorderWidthprotectedSpecifies the width of the control's border.
BoundsRectpublicSpecifies the bounding rectangle of the control, expressed in the coordinate system of the parent control.
BrushpublicDetermines the color and pattern used for painting the background of the control.
CanUndoSelTextpublic
CanvaspublicProvides access to the drawing surface of the combo box.
CaptionprotectedSpecifies a text string that identifies the control to the user.
CharCasepublicDetermines the case of the text in the combo box.
ClientHeightpublicSpecifies the height of the control's client area in pixels.
ClientOriginpublicSpecifies the screen coordinates (in pixels) of the upper-left corner of a control's client area.
ClientRectpublicSpecifies the size of a control's client area in pixels.
ClientWidthpublicSpecifies the horizontal size of the control's client area in pixels.
ColorprotectedSpecifies the background color of the control.
ComObjectpublicSpecifies the interface reference implemented by the component.
ComponentCountpublicIndicates the number of components owned by the component.
ComponentIndexpublicIndicates the position of the component in its owner's Components property array.
ComponentspublicLists all components owned by the component.
ComponentStatepublicDescribes the current state of the component, indicating when a component needs to avoid certain actions.
ComponentStylepublicGoverns the behavior of the component.
ConstraintspublicSpecifies the size constraints for the control.
ControlCountpublicReturns the number of child controls.
ControlspublicLists all child controls.
ControlStatepublicSpecifies the current state of a control at run time.
ControlStylepublicDetermines style characteristics of the control.
Ctl3DprotectedDetermines whether a control has a three-dimensional (3-D) or two-dimensional look.
CurrentPPIpublicIndicates current PPI value for the control.
CursorpublishedSpecifies the image used to represent the mouse pointer when it passes into the region covered by the control.
CustomHintpublishedCustomHint is a custom hint for the control.
DefWndProcprotectedSpecifies the default window procedure for the windowed control.
DesignInfopublicContains information used by the Form designer.
DesktopFontprotectedSpecifies whether the control uses the Windows icon font when writing text.
DisposedprotectedDisposed is a read-only property that shows the current state of this object.
DockClientCountpublicSpecifies the number of controls that are docked on the windowed control.
DockClientspublicLists the controls that are docked to the windowed control.
DockManagerpublicSpecifies the control's docking manager interface.
DockOrientationpublicDockOrientation specifies how the control is docked relative to other controls docked in the same parent.
DockSitepublicSpecifies whether the control can be the target of drag-and-dock operations.
DoubleBufferedpublicDetermines whether the control's image is rendered directly to the window or painted to an in-memory bitmap first.
DoubleBufferedModepublicControls the use of DoubleBuffering.
DragCursorprotectedSpecifies the image used to represent the mouse pointer when the control is being dragged.
DragKindprotectedSpecifies whether the control is being dragged normally or for docking.
DragModeprotectedSpecifies how the control initiates drag-and-drop or drag-and-dock operations.
DropDownCountprotectedSpecifies the maximum number of items displayed in the drop-down list.
DropDownWidthpublicTCustomComboBox.DropDownWidth specifies how to customize the minimum width of the combobox's dropdown list.
DroppedDownpublicIndicates whether the drop-down list is currently displayed.
EditHandleprotectedReturns the window handle for the edit portion of the combo box.
EnabledpublicControls whether the control responds to mouse, keyboard, and timer events.
ExplicitHeightpublicSpecifies the explicit vertical size of the control in pixels.
ExplicitLeftpublicSpecifies the explicit horizontal pixel coordinate of the left edge of a component relative to its parent.
ExplicitToppublicSpecifies the explicit vertical pixel coordinate of the top edge of a component relative to its parent.
ExplicitWidthpublicSpecifies the explicit horizontal size of the control in pixels.
ExtendedUIpublic
FloatingpublicSpecifies whether the control is floating.
FloatingDockSiteClasspublicSpecifies the class of the temporary control that hosts the control when it is floating.
FontprotectedSpecifies the attributes of text written on or in the control.
HandlepublicProvides access to the underlying Windows screen object for the control.
HeightpublishedSpecifies the vertical size of the control in pixels.
HelpContextpublishedThe HelpContext property contains the numeric context ID that identifies the Help topic for the control.
HelpKeywordpublishedThe HelpKeyword property contains the keyword string that identifies the Help topic for the control.
HelpTypepublishedSpecifies whether the control's context-sensitive Help topic is identified by a context ID or by keyword.
HintpublishedHint contains the text string that appears when the user moves the mouse over the control.
HostDockSitepublicSpecifies the control in which the control is docked.
ImeModeprotectedDetermines the behavior of the input method editor (IME).
ImeNameprotectedSpecifies the input method editor (IME) to use for converting keyboard input to Asian language characters.
IScalingprotected
IsControlprotectedSpecifies whether a form stores its form-specific properties to a stream.
IsDrawingLockedpublicIsDrawingLocked property returns True when redrawing for this control is locked.
ItemCountprotectedSpecifies the number of items in the drop-down list.
ItemHeightprotectedSpecifies the height, in pixels, of the items in the drop-down list.
ItemIndexpublicSpecifies the index of the selected item.
ItemspublicProvides access to the list of items (strings) in the list portion of the combo box.
LeftpublishedSpecifies the horizontal coordinate of the left edge of a component relative to its parent.
ListHandleprotectedProvides access to the window handle of the list of items in the combo box.
LRDockWidthpublicSpecifies the width of the control when it is docked horizontally.
MarginspublishedSpecifies the margins of the control.
MaxLengthprotectedSpecifies the maximum number of characters the user can type into the edit portion of the combo box.
MessageHandlerprotected
MouseCaptureprotectedSpecifies whether the control has "captured" mouse events.
MouseInClientpublicIndicates whether the mouse pointer is currently in the client area of the control.
NamepublishedSpecifies the name of the component as referenced in code.
ObserverspublicIndicates the TObservers object added to the TComponent.
OwnerpublicIndicates the component that is responsible for streaming and freeing this component.
PaddingpublicSpecifies the padding of a control.
ParentpublicSpecifies the parent of the control.
ParentBackgroundprotectedDetermines whether the control uses its parent's theme background.
ParentBiDiModeprotectedSpecifies whether the control uses its parent's BiDiMode.
ParentColorprotectedSpecifies where a control looks for its color information.
ParentCtl3DprotectedDetermines where a component looks to determine whether it should have a three-dimensional look.
ParentCustomHintpublishedSpecifies where a control looks for its custom hint.
ParentDoubleBufferedpublicParentDoubleBuffered defers the DoubleBuffered property of this component to the value of the parent's DoubleBuffered property.
ParentFontprotectedSpecifies where a control looks for its font information.
ParentShowHintprotectedSpecifies where a control looks to find out if its Help Hint should be shown.
ParentWindowpublicReference to parent's underlying control.
PixelsPerInchpublicIndicates the conversion factor between logical inches and the pixels of the control's font.
PopupMenuprotectedSpecifies the pop-up menu associated with the control.
RaiseOnNonMainThreadUsagepublicControls wether CheckNonMainThreadUsage can raise an EInvalidOperation.
RedrawDisabledpublicRedrawDisabled property returns True when redrawing for this control is locked.
ScaleFactorpublicDetermines this control scale factor.
ScalingFlagsprotectedReflects which attributes of the control have been scaled.
SelLengthpublicSpecifies the length, in characters, of the selected text in the edit portion of the combo box.
SelStartpublicSpecifies the position of the first selected character in the edit portion of the combo box.
SelTextpublicRepresents the selected text in the edit region.
ShowHintpublicShowHint specifies whether to show the Help Hint when the mouse pointer moves over the control.
ShowingpublicIndicates whether the control is showing on the screen.
SortedprotectedDetermines whether the list portion of the combo box is alphabetized.
StyleprotectedDetermines the display style of the combo box.
StyleElementspublicSpecifies the style elements that are used by the control.
StyleNamepublicSpecifies the style name for this control.
TabOrderpublicIndicates the position of the control in its parent's tab order.
TabStoppublicDetermines whether the user can tab to a control.
TagpublishedStores a NativeInt integral value as a part of a component.
TBDockHeightpublicSpecifies the height of the control when it is docked vertically.
TextprotectedContains a text string associated with the control.
TextHintpublicSpecifies the text that is displayed as a text watermark in the edit box of the combo box control.
TipModeprotectedTipMode indicates whether TabTip (onscreen keyboard equivalent) opens or closes when the control receives focus or if it receives a gesture.
ToppublishedSpecifies the Y coordinate of the upper-left corner of a control, relative to its parent or containing control in pixels.
TouchpublicSpecifies the touch manager component associated with the control.
UndockHeightpublicSpecifies the height of the control when it is floating.
UndockWidthpublicSpecifies the width of the control when it is floating.
UseDockManagerpublicSpecifies whether the docking manager is used in drag-and-dock operations.
VCLComObjectpublicRepresents information used internally by components that support COM.
VisiblepublicSpecifies whether the component appears onscreen.
VisibleDockClientCountpublicSpecifies the number of visible controls that are docked on the windowed control.
WheelAccumulatorprotectedAccumulates mouse wheel rotations.
WidthpublishedSpecifies the horizontal size of the control or form in pixels.
WindowHandleprotectedProvides access to a window handle for the control.
WindowTextprotectedSpecifies the text string of the control.