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 End-User Documentation

RepositoryItemComboBox.MeasureItem Event

Allows you to change the height of specific items in the dropdown window.

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

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type System.Windows.Forms.MeasureItemEventArgs containing data related to this event.

The following MeasureItemEventArgs properties provide information specific to this event.
Property Description
Graphics
Index
ItemHeight
ItemWidth

Expanded Remarks

The MeasureItem event fires for each item in the dropdown. It allows you to change the height of specific items with the ItemHeight event parameter. If you want to set the height for all items to a specific value, use the DropDownItemHeight property instead.

The MeasureItem event fires before an item is drawn. You can provide custom heights for items via the MeasureItem event and then, if required, custom paint the items by handling the ComboBoxEdit.DrawItem event.

Note

It is not possible to change an item width with the MeasureItem event, as the item width is controlled by the popup window width. See RepositoryItemPopupBase.PopupFormSize.

Expanded Example

The following example shows how to set a custom height for items in a ComboBoxEdit control by handling the MeasureItem event.

In this example, if a specific item contains a NewLine character ("\r\n" in C#), its height is doubled to fully display the item's text.

Expanded See Also

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