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ComboBox Class

Defines the ComboBox Class.This class is only available in Office2010.When the object is serialized out as xml, its qualified name is mso14:comboBox.

Inheritance Hierarchy

System.Object
  DocumentFormat.OpenXml.OpenXmlElement
    DocumentFormat.OpenXml.OpenXmlCompositeElement
      DocumentFormat.OpenXml.Office2010.CustomUI.ComboBox

Namespace:  DocumentFormat.OpenXml.Office2010.CustomUI
Assembly:  DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)

Syntax

'Declaration
<ChildElementInfoAttribute(GetType(Item), FileFormatVersions.Office2010)> _
<OfficeAvailabilityAttribute(FileFormatVersions.Office2010)> _
Public Class ComboBox _
    Inherits OpenXmlCompositeElement
'Usage
Dim instance As ComboBox
[ChildElementInfoAttribute(typeof(Item), FileFormatVersions.Office2010)]
[OfficeAvailabilityAttribute(FileFormatVersions.Office2010)]
public class ComboBox : OpenXmlCompositeElement

Remarks

The following table lists the possible child types:

  • Item <mso14:item>

2.3.17 CT_ComboBox

Target namespace: https://schemas.microsoft.com/office/2007/10/customui

Referenced by: CT_Box, CT_Group

Specifies a standard combo box control.

Child Elements:

item : A CT_Item element.

Attributes:

showItemImage : A boolean attribute that specifies whether this control displays icons on its selection items.

getItemCount : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the number of dynamically created selection items in this control. If this attribute is omitted then the control displays the selection items which are specified as child elements. If this attribute is omitted and no child items are specified then the control is empty. If both this attribute and child items are specified then the child items are ignored.

getItemLabel : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the labels of dynamically created selection items in this control. If this attribute is omitted, dynamically created selection items do not display labels.

getItemScreentip : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the tooltips of dynamically created selection items in this control. If this attribute is omitted, dynamically created selection items do not display tooltips.

getItemSupertip : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the Enhanced ScreenTips of dynamically created selection items in this control. If this attribute is omitted, dynamically created selection items do not display Enhanced ScreenTips.

getItemImage : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the icons of dynamically created selection items in this control. If this attribute is omitted, dynamically created selection items do not display icons.

getItemID : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the IDs of dynamically created selection items in this control. If this attribute is omitted, dynamically created selection items have empty IDs.

sizeString : An ST_String attribute that specifies a string whose size is used to determine the width of the text input area of this control. If this attribute is omitted, the application will determine the width of the text input area automatically.

invalidateContentOnDrop : A boolean attribute that specifies whether this control invalidates its contents and re-queries for them each time the user opens its drop-down menu.

enabled : A boolean attribute that specifies the enabled state of this control. The enabled and getEnabled attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified, the control defaults to being enabled.

getEnabled : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the enabled state of this control. The enabled and getEnabled attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified, the control defaults to being enabled.

image : An ST_Uri attribute that specifies the relationship identifier of an image file which is used as the icon for this control. The image, getImage and imageMso attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, then an icon is not displayed.

imageMso : An ST_ID attribute that specifies the identifier of a built-in image which is used as the icon for this control. The image, getImage and imageMso attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, then an icon is not displayed.

getImage : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the icon of this control. The image, getImage and imageMso attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, then an icon is not displayed.

maxLength : An ST_StringLength attribute that specifies an integer which is used as the maximum length, in characters, of strings which are entered into the control. If this attribute is omitted, the length of the input string is not limited except by application-specific constraints.

getText : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the text inside of the edit box control. If this attribute is omitted the control defaults to no text.

onChange : An ST_Delegate attribute that specifies the name of a callback function which is called when the text in the edit box has been changed.

id : An ST_UniqueID attribute that specifies the identifier of a custom control. All custom controls MUST have unique IDs. The id, idQ and idMso attributes are mutually exclusive. Exactly one of these attributes MUST be specified on all controls.

idQ : An ST_QID attribute that specifies the qualified identifier of a control. This attribute is used to reference controls or containers created by other Custom UI documents. The id, idQ and idMso attributes are mutually exclusive. Exactly one of these attributes MUST be specified on all controls.

idMso : An ST_ID attribute that specifies the identifier of a built-in control. The id, idQ and idMso attributes are mutually exclusive. Exactly one of these attributes MUST be specified.

tag : An ST_String attribute that specifies an arbitrary string which provides additional information about this control during callback function calls. If this attribute is omitted, the value defaults to an empty string.

screentip : An ST_String attribute that specifies a string which is displayed as the tooltip for this control. The screentip and getScreentip attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified then a tooltip is not displayed.

getScreentip : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the tooltip of this control. The screentip and getScreentip attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified then a tooltip is not displayed.

supertip : An ST_String attribute that specifies a string which is displayed as the Enhanced ScreenTip of this control. The supertip and getSupertip attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified then a Enhanced ScreenTip is not displayed.

getSupertip : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the Enhanced ScreenTip of this control. The supertip and getSupertip attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified then an Enhanced ScreenTip is not displayed.

label : An ST_String attribute that specifies a string which is displayed as the label of this control. The label and getLabel attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified, then a label is not displayed.

getLabel : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the label of this control. The label and getLabel attributes are mutually exclusive. They MUST NOT be used together. If neither attribute is specified, then a label is not displayed.

insertAfterMso : An ST_ID attribute that specifies the identifier of a built-in control which this control will be inserted after. The insertAfterMso, insertAfterQ, insertBeforeMso and insertBeforeQ attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, the controls will be appended to the existing set of controls, in the order they are defined in the XML.

insertBeforeMso : An ST_ID attribute that specifies the identifier of a built-in control which this control will be inserted before. The insertAfterMso, insertAfterQ, insertBeforeMso and insertBeforeQ attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, the controls will be appended to the existing set of controls, in the order they are defined in the XML.

insertAfterQ : An ST_QID attribute that specifies the qualified identifier of a control which this control will be inserted after. The insertAfterMso, insertAfterQ, insertBeforeMso and insertBeforeQ attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, the controls will be appended to the existing set of controls, in the order they are defined in the XML.

insertBeforeQ : An ST_QID attribute that specifies the qualified identifier of a control which this control will be inserted before. The insertAfterMso, insertAfterQ, insertBeforeMso and insertBeforeQ attributes are mutually exclusive. They MUST NOT be used together. If none of these attributes are specified, the controls will be appended to the existing set of controls, in the order they are defined in the XML.

visible : A boolean attribute that specifies the visibility state of this control. The visible and getVisible attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, then the control defaults to being visible.

getVisible : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the visibility state of this control. The visible and getVisible attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, the control defaults to being visible.

keytip : An ST_Keytip attribute that specifies a string which is displayed as the KeyTip for this control. The keytip and getKeytip attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, a KeyTip is not displayed.

getKeytip : An ST_Delegate attribute that specifies the name of a callback function which is called to determine the KeyTip for this control. The keytip and getKeytip attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, a KeyTip is not displayed.

showLabel : A boolean attribute that specifies whether the label for this control will be displayed. The showLabel and getShowLabel attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, the label of the control will be displayed.

getShowLabel : An ST_Delegate attribute that specifies the name of a callback function which is called to determine whether to display the label of this control. The showLabel and getShowLabel attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, the label of the control will be displayed.

showImage : A boolean attribute that specifies whether the icon for this control will be displayed. The showImage and getShowImage attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, the icon of the control will be displayed.

getShowImage : An ST_Delegate attribute that specifies the name of a callback function which is called to determine whether to display the icon of this control. The showImage and getShowImage attributes are mutually exclusive. They MUST NOT be used together. If neither of these attributes are specified, the icon of the control will be displayed.

The following W3C XML Schema ([XMLSCHEMA1] section 2.1) fragment specifies the contents of this complex type.

<xsd:complexType name="CT_ComboBox">

<xsd:complexContent>

<xsd:extension base="CT_EditBox">

<xsd:sequence>

<xsd:element name="item" type="CT_Item" minOccurs="0" maxOccurs="1000"/>

</xsd:sequence>

<xsd:attributeGroup ref="AG_DropDownAttributes"/>

<xsd:attributeGroup ref="AG_DynamicContentAttributes"/>

</xsd:extension>

</xsd:complexContent>

</xsd:complexType>

See section 5.1 for the full W3C XML Schema ([XMLSCHEMA1] section 2.1).

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

ComboBox Members

DocumentFormat.OpenXml.Office2010.CustomUI Namespace