| Microsoft XML Core Services (MSXML) 5.0 for Microsoft Office - SOM Reference |  |
use Property
Returns an integer that corresponds to a value from the declared constant SCHEMAUSE values. The use property indicates the type of validation restrictions that are on an attribute. The <attribute> declaration includes the use attribute.
When the value returned for the use property is SCHEMAUSE_PROHIBITED, the value of the ISchemaItem.itemType property of the attribute is SOMITEM_DATATYPE_ANYTYPE. The following table shows the values returned and their descriptions.
| SCHEMAUSE value | Description |
|---|---|
| SCHEMAUSE_OPTIONAL | Attribute is not required to be in the document. |
| SCHEMAUSE_PROHIBITED | Attribute cannot be in the document. |
| SCHEMAUSE_REQUIRED | Attribute is required to be in the document. |
Example
The following is an example of the use attribute in an XML Schema.
<schema>
<element name="someelement">
<attribute name="someattribute" use="prohibited"/>
<attribute name="newattribute" use="required"/>
</element>
</schema>
Implementation Syntax
var conUse = oISchemaAttribute.use;
Parameters
None.
Return Values
- conUse
- A constant. The use style for the attribute.
Implementation Syntax
conUse = oISchemaAttribute.use
Parameters
None.
Return Values
- conUse
- A constant. The use style for the attribute.
Implementation Syntax
HRESULT get_use(SCHEMAUSE* use);
Parameters
- use [out,retval]
- An object. The use style for the attribute. The following values are possible.
SCHEMAUSE_OPTIONAL
SCHEMAUSE_PROHIBITED
SCHEMAUSE_REQUIRED
Return Values
- S_OK
- The value returned if successful.
- E_POINTER
- The value returned if the
useparameter is NULL.
To view reference information for Visual Basic or C/C++ only, click the Language Filter button 
in the upper-left corner of the page.
See Also
Applies to: ISchemaAttribute Interface