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   [Expand]BaseRepositoryItemCheckEdit Class
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      AutoComplete Property
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    [Expand]RepositoryItemComboBox Events
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   [Expand]RepositoryItemTreeListLookUpEdit Class
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   [Expand]RichTextEditBehaviorOptions Class
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    TimeEditStyle Enumeration
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 End-User Documentation

RepositoryItemComboBox.Items Property

Gets the collection of items displayed by the current combo box editor.

Namespace:DevExpress.XtraEditors.Repository
Assembly:DevExpress.XtraEditors.v17.1.dll

Expanded Syntax

Property value

Type: ComboBoxItemCollection
The collection of items displayed by the editor.

Expanded Remarks

The Items property provides access to the collection of items displayed in the dropdown. You can use ComboBoxItemCollection class methods to add, remove and access individual items.

Elements in the collection can be of any type. You can add an item to the collection using the ComboBoxItemCollection.Add method. The object you pass as the method's parameter will represent this item in the combo box editor. Selecting an item from the dropdown assigns the corresponding object to the ComboBoxEdit.SelectedItem property. The editor's edit box will display the text representation of this object.

Note: for the editor to function correctly, items in the collection must be unique objects.

The index of the item currently selected can be obtained via the ComboBoxEdit.SelectedIndex property.

At design time, you can add items using the standard String Collection Editor which can be invoked in the Properties window. Items added at design time will represent string objects. Adding other item types can only be done programmatically.

Expanded Example

The following code creates a combo box editor and adds three items to the item collection. Each item in the example is a PersonInfo class object, which stores a person's first and last names.

The ComboBoxItemCollection.BeginUpdate and ComboBoxItemCollection.EndUpdate methods are called to prevent excessive updates when the item collection is changed (three items are added).

The BaseListBoxControl.SelectedIndex property is set to -1 for demonstration purposes (the property is set to -1 by default). This ensures that no item is currently selected in the combo box.

Expanded See Also

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