For more information on this type, please refer to the VML Reference, located online in the Microsoft Developer Network (MSDN) Library.
Type Information
      
        | Namespace | urn:schemas-microsoft-com:office:office | 
      
        | Schema name | office | 
    
Definition
      | XML | 
|---|
| 
<xsd:simpleType name="tfType" ">
		
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="t"></xsd:enumeration>
			<xsd:enumeration value="f"></xsd:enumeration>
			<xsd:enumeration value=""></xsd:enumeration>
		</xsd:restriction>
	</xsd:simpleType>
 | 
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