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ComboBox Element

Published: May 2010

Defines a combo box control.

<ComboBox
  AllowFreeForm="TRUE | FALSE"
  AltArrow="Text"
  Alt="Text"
  AutoComplete="TRUE | FALSE"
  AutoCompleteDelay="Integer"
  CacheMenuVersions="TRUE | FALSE"
  Command="Text"
  CommandMenuOpen="Text"
  CommandMenuClose="Text"
  CommandPreview="Text"
  CommandPreviewRevert="Text"
  ImeEnabled="TRUE | FALSE"
  InitialItem="Text"
  Id="Text"
  QueryCommand="Text"
  PopulateDynamically="TRUE | FALSE"
  PopulateQueryCommand="Text"
  PopulateOnlyOnce="TRUE | FALSE"
  Sequence="Integer"
  TemplateAlias="Text"
  ToolTipImage32by32="Url"
  ToolTipImage32by32Class="CSS Class Selector"
  ToolTipImage32by32Left="Negative Integer"
  ToolTipImage32by32Top="Negative Integer"
  ToolTipTitle="Text"
  ToolTipDescription="Text"
  ToolTipHelpKeyWord="Text"
  ToolTipShortcutKey="Text"
  Width="Integer"
/>

Attribute

Description

AllowFreeForm

Optional. FALSE to restrict input so that only items on the menu are submitted; otherwise, TRUE. The default is FALSE.

AltArrow

Optional. Alternative text that is used for the drop-down arrow button.

Alt

Optional. Alternative text that is used for the combo box.

AutoComplete

Optional. FALSE to turn AutoComplete suggestions off. The default is TRUE (on).

AutoCompleteDelay

Optional. The delay in milliseconds before AutoComplete fills the text box with a best-guess match. The default is 100.

CacheMenuVersions

Optional. TRUE to store previously constructed versions of a dynamic menu. The default is FALSE.

Command

Optional. The name of the command to execute when the control is clicked. If the control is in a CommandUIDefinition element, the value of the Command attribute of the control should be the same as the value of the Command attribute of a corresponding CommandUIHandler element.

CommandMenuOpen

Optional. The name of the command to execute when the drop-down menu is opened.

CommandMenuClose

Optional. The name of the command to execute when the drop-down menu is closed.

CommandPreview

Optional. The name of the command to execute for previewing a selection.

CommandPreviewRevert

Optional. The name of the command to execute to return to the state that existed before previewing a selection.

ImeEnabled

Optional. TRUE to set the Input Method Editor (IME) to the active state.

InitialItem

Optional. The ID of the menu item to display in the text box when it is first rendered.

Id

Required. A string that identifies the control, such as "Ribbon.EditingTools.CPEditTab.Font.Fonts".

QueryCommand

Optional. The name of the command to execute when polling for state information.

PopulateDynamically

Optional. TRUE to create the menu dynamically. The default is FALSE.

PopulateQueryCommand

Optional. The name of the command to execute when creating a dynamic menu.

PopulateOnlyOnce

Optional. TRUE to populate a dynamic menu only the first time that it is accessed. The default is FALSE.

Sequence

Optional. An integer that specifies the order of placement among sibling XML nodes.

TemplateAlias

Optional. A string that matches the value of the TemplateAlias attribute for a ControlRef element, an OverflowArea element, or an OverflowSection element in a GroupTemplate element. The TemplateAlias attribute is used to size and position controls within a group when a template is applied to the group.

ToolTipImage32by32

Optional. A server-relative URL to a file that contains a 32-by-32-pixel image to be used in the tooltip, such as “/_layouts/1033/images/formatmap32x32.png”.

ToolTipImage32by32Class

Optional. The name of a CSS class selector to be applied to the tooltip image.

ToolTipImage32by32Left

Optional. A negative integer that represents an offset for the left edge of the image. Use this attribute when the ToolTipImage32by32 attribute points to an image file that contains the images for many icons. The value of the ToolTipImage32by32Left attribute is used to set the CSS left attribute for the inline style of an HTML img tag when the page is created.

ToolTipImage32by32Top

Optional. A negative integer that represents an offset for the top edge of the image. Use this attribute when the ToolTipImage32by32 attribute points to an image file that contains the images for many icons. The value of the ToolTipImage32by32Top attribute is used to set the CSS top attribute for the inline style of an HTML img tag when the page is created.

ToolTipTitle

Optional. The text that appears as the title of the tooltip.

ToolTipDescription

Optional. The text that appears in the body of the tooltip.

ToolTipHelpKeyWord

Optional. The keyword that is used by context-sensitive Help.

ToolTipShortcutKey

Optional. The text to display for the shortcut key in the tooltip. For example, if the shortcut key for the control is ALT + J, the value for this attribute is “ALT + J”. The tooltip will display the text for the shortcut key in parentheses after the tooltip title: “(ALT + J)”.

Width

Optional. The width in pixels of the text box that is part of this combo box.

Minimum: 0

Maximum: unbounded

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