TcxCustomComboBoxProperties Class

The base class for all classes that implement combo box editor settings.

Declaration

TcxCustomComboBoxProperties = class(
    TcxCustomDropDownEditProperties,
    IcxPropertiesItemIndexProvider
)

Remarks

A combo box editor combines a single-line text editor and a drop-down menu. If user input in the text edit box matches initial characters in a menu string, the combo box allows users to autocomplete current input.

VCL Editors Library: A Combo Box Editor Example

Combo box settings allow you to customize appearance and behavior of all DevExpress editors that display a drop-down window populated with menu items.

In this topic…

Drop-Down/Combo Box Editors
Main API Members
Terminal TcxCustomComboBoxProperties Class Descendants

Drop-Down/Combo Box Editors

TcxCheckComboBox | TcxDBCheckComboBox: A hybrid editor that combines combo box and check box functionality. A check combo box is designed to select multiple values simultaneously.
TcxColorComboBox | TcxDBColorComboBox: A combo box designed for color selection.
TcxComboBox | TcxDBComboBox: A simple combo box editor.
TcxFontNameComboBox | TcxDBFontNameComboBox: A combo box designed for font typeface selection.
TcxImageComboBox | TcxDBImageComboBox: A combo box designed to display images in addition to text descriptions in all items available for selection.
TcxLookupComboBox | TcxExtLookupComboBox | TcxDBExtLookupComboBox: A lookup combo box designed to display a table with multiple columns in a drop-down window instead of a simple item list.
TcxMRUEdit | TcxDBMRUEdit: A text box editor with a list of most recently used (MRU) items.

Main API Members

The list below outlines key members of the TcxCustomComboBoxProperties class.

Drop-Down Window Settings

DropDownAutoWidth: Specifies if drop-down window width is calculated automatically.
DropDownRows: Specifies the number of simultaneously visible items in the editor’s drop-down window.
DropDownSizeable: Specifies if users can resize the drop-down window.
DropDownWidth: Allows you to specify drop-down window width explicitly.
ItemHeight: Allows you to specify drop-down item height explicitly.

Items: Provides access to the list of combo box items/values.
Sorted: Specifies if combo box items are sorted in alphabetical order.

AllowDropDownWhenReadOnly: Specifies if the editor can display the drop-down window in read-only mode.
DropDownListStyle: Allows you to switch between available user input modes.
ReadOnly: Specifies if the editor is in read-only mode.
Revertable: Specifies if users can double-click the editor to cycle through all values available for selection.