TComponentCombo Class

TComponentCombo represents object inspector's combo box. It contains all components in the form (data module, ...), that is designed by the active designer

Class Hierarchy

TComponentCombo = class(TCustomComboBox, IDesignNotification);

File

edcCmbCombo

Description

TComponentCombo used for maintaining list of components owned by designed window.

Group

Classes

Topics

Topic	Description
TComponentCombo Methods	The methods of the TComponentCombo class are listed here.
TComponentCombo Properties	The properties of the TComponentCombo class are listed here.
TComponentCombo Events	The events of the TComponentCombo class are listed here.

Legend

	Method
	protected
	virtual
	Property
	Event

TComponentCombo Events

TComponentCombo Events	Description
OnCanAddObject	Occurs to defined whether object Obj can be added to drop-down list.
OnGetClassName	Allows replacing displayed class name.
OnGetComponents	Called during updating item list.
OnSelChanged	Called when selected item (object) has bin changed by selecting from drop-down list.

TComponentCombo Methods

TComponentCombo Methods	Description
Change	Determines component's name picked in the list and selects appropriate components on the designed form.
Create	Creates and initializes a TComponentCombo instance.
Destroy	Destroys an instance of TComponentCombo.
DoAddObject	Adds object to drop-down list.
FillObjList	Fills combo box items.
Notification	Forwards notification messages to all owned components.
SetSelection	Sets selection.
UpdateObjectList	Update items.

TComponentCombo Properties

TComponentCombo Properties	Description
Align	Determines how the control aligns within its container (parent control).
Anchors	Specifies how the control is anchored to its parent.
AutoCloseUp	Specifies whether the drop-down closes up automatically when the user selects an item.
AutoDropDown	Specifies whether the drop-down list drops down automatically in response to user keystrokes.
AutoHint	Specifies whether combobox automatically updates it's Hint property.
BiDiMode	Specifies the bi-directional mode for the control.
ClassNameColor	Specifies font color for component's class names.
ClassNameDelim	Specifies delimiter between component name and its class name
Color	Specifies the background color of the control.
Constraints	Specifies the size constraints for the control.
Ctl3D	Determines whether a control has a three-dimensional (3-D) or two-dimensional look.
Designer	Allows direct linking to the particular designer. Component combo can work also with inactive designer.
DragCursor	Indicates the image used to represent the mouse pointer when the control is being dragged.
DragKind	Specifies whether the control is being dragged normally or for docking.
DragMode	Determines how the control initiates drag-and-drop or drag-and-dock operations.
DropDownCount	Specifies the maximum number of items displayed in the drop-down list.
DropDownWidth	Specifies the width, in pixels, of the drop-down list.
Enabled	Controls whether the control responds to mouse, keyboard, and timer events.
Font	Controls the attributes of text written on or in the control.
ImeMode	Determines the behavior of the input method editor (IME).
ImeName	Specifies the input method editor (IME) to use for converting keyboard input to Asian language characters.
IncludeContainer	Specifies if root component (for example, Form) will be added to the list.
ItemHeight	Specifies the height, in pixels, of the items in the drop-down list.
MaxLength	Specifies the maximum number of characters the user can type into the edit portion.
NameColor	Specifies font color for component names portion in the list.
OnClick	Occurs when the user clicks the control.
OnCloseUp	Occurs when the drop-down list closes up due to some user action.
OnContextPopup	Occurs when the user right-clicks the control or otherwise invokes the popup menu (such as using the keyboard).
OnDblClick	Occurs when the user double-clicks the left mouse button when the mouse pointer is over the control.
OnDragDrop	Occurs when the user drops an object being dragged.
OnDragOver	Occurs when the user drags an object over a control.
OnDrawItem	Occurs when an item in an owner-draw combo box needs to be displayed.
OnDropDown	Occurs when the user opens the drop-down list by clicking the arrow at the right of the control.
OnEndDock	Occurs when the dragging of an object ends, either by docking the object or by canceling the dragging.
OnEndDrag	Occurs when the dragging of an object ends, either by dropping the object or by canceling the dragging.
OnEnter	Occurs when a control receives the input focus.
OnExit	Occurs when the input focus shifts away from one control to another.
OnKeyDown	Occurs when a user presses any key while the control has focus.
OnKeyPress	Occurs when key pressed.
OnKeyUp	Occurs when the user releases a key that has been pressed.
OnMeasureItem	Occurs when an item in a csOwnerDrawVariable combo box needs to be redisplayed.
OnSelect	Occurs when the user selects an item in the list.
OnStartDock	Occurs when the user begins to drag a control with a DragKind of dkDock.
OnStartDrag	Occurs when the user begins to drag the control or an object it contains by left-clicking on the control and holding the mouse button down.
ParentBiDiMode	Specifies whether the control uses its parent’s BiDiMode.
ParentColor	Determines where a control looks for its color information.
ParentCtl3D	Determines where a component looks to determine if it should appear three dimensional.
ParentFont	Determines where a control looks for its font information.
ParentShowHint	Determines where a control looks to find out if its Help Hint should be shown.
PopupMenu	Identifies the pop-up menu associated with the control.
ShowClassName	Specifies whether class names will be displayed in the items
ShowComponents	Determines if only TControl descendants will be shown in the list
ShowHint	Determines whether the control displays a Help Hint when the mouse pointer rests momentarily on the control.
Sorted	Determines whether the list portion of the combo box is alphabetized.
TabOrder	Indicates the position of the control in its parent's tab order.
TabStop	Determines if the user can tab to a control.
Text	Specifies the text string that is displayed in the edit box.
Visible	Determines whether the component appears on screen.

Links

Classes, Legend, Members, Topics, TComponentCombo Methods, TComponentCombo Properties, TComponentCombo Events, TComponentCombo Events, TComponentCombo Methods, TComponentCombo Properties

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