displayInfo

Článek
07/13/2023

Specifies a property's display information. There should be only one displayInfo element for each propertyDescription.

If there are multiple elements, the last one is used. If no displayInfo element is provided, then the default attribute settings are applied to the property description.

Syntax

<!-- displayInfo -->
<xs:element name="displayInfo">
    <xs:complexType>
        <xs:all>
            <xs:element name="stringFormat" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="formatAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="General"/>
                                <xs:enumeration value="FileName"/>
                                <xs:enumeration value="FilePath"/>
                                <xs:enumeration value="Hyperlink"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="booleanFormat" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="formatAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="YesNo"/>
                                <xs:enumeration value="OnOff"/>
                                <xs:enumeration value="TrueFalse"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="numberFormat" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="formatAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="General"/>
                                <xs:enumeration value="Percentage"/>
                                <xs:enumeration value="ByteSize"/>
                                <xs:enumeration value="KBSize"/>
                                <xs:enumeration value="SampleSize"/>
                                <xs:enumeration value="Bitrate"/>
                                <xs:enumeration value="SampleRate"/>
                                <xs:enumeration value="FrameRate"/>
                                <xs:enumeration value="Pixels"/>
                                <xs:enumeration value="DPI"/>
                                <xs:enumeration value="Duration"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                    <xs:attribute name="formatDurationAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="hh:mm"/>
                                <xs:enumeration value="hh:mm:ss"/>
                                <xs:enumeration value="hh:mm:ss.fff"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="dateTimeFormat" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="formatAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="General"/>
                                <xs:enumeration value="Month"/>
                                <xs:enumeration value="YearMonth"/>
                                <xs:enumeration value="Year"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                    <xs:attribute name="formatTimeAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="ShortTime"/>
                                <xs:enumeration value="LongTime"/>
                                <xs:enumeration value="HideTime"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                    <xs:attribute name="formatDateAs">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="ShortDate"/>
                                <xs:enumeration value="LongDate"/>
                                <xs:enumeration value="HideDate"/>
                                <xs:enumeration value="RelativeShortDate"/>
                                <xs:enumeration value="RelativeLongDate"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="enumeratedList" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="enum" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="value" type="xs:string" use="required"/>
                                <xs:attribute name="text" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                        <xs:element name="enumRange" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="minValue" type="xs:string" use="required"/>
                                <xs:attribute name="setValue" type="xs:string"/>
                                <xs:attribute name="text" type="xs:string"/>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>

                    <xs:attribute name="defaultText" type="xs:string"/>
                    <xs:attribute name="useValueForDefault" type="xs:boolean"/>
                </xs:complexType>
            </xs:element>
            <xs:element name="drawControl" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="control">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="Default"/>
                                <xs:enumeration value="MultiLineText"/>
                                <xs:enumeration value="MultiValueText"/>
                                <xs:enumeration value="PercentBar"/>
                                <xs:enumeration value="ProgressBar"/>
                                <xs:enumeration value="Rating"/>
                                <xs:enumeration value="StaticText"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="editControl" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="control">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="Default"/>
                                <xs:enumeration value="Calendar"/>
                                <xs:enumeration value="CheckboxDropList"/>
                                <xs:enumeration value="DropList"/>
                                <xs:enumeration value="MultiLineText"/>
                                <xs:enumeration value="MultiValueText"/>
                                <xs:enumeration value="Rating"/>
                                <xs:enumeration value="Text"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="filterControl" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="control">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="Default"/>
                                <xs:enumeration value="Calendar"/>
                                <xs:enumeration value="Rating"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
            <xs:element name="queryControl" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                    <xs:attribute name="control">
                        <xs:simpleType>
                            <xs:restriction base="xs:string">
                                <xs:enumeration value="Default"/>
                                <xs:enumeration value="Boolean"/>
                                <xs:enumeration value="Calendar"/>
                                <xs:enumeration value="CheckboxDropList"/>
                                <xs:enumeration value="DropList"/>
                                <xs:enumeration value="MultiValueText"/>
                                <xs:enumeration value="NumericText"/>
                                <xs:enumeration value="Rating"/>
                                <xs:enumeration value="Text"/>
                            </xs:restriction>
                        </xs:simpleType>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
        </xs:all>

        <xs:attribute name="defaultColumnWidth" type="xs:nonNegativeInteger" default="20"/>
        <xs:attribute name="displayType">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                    <xs:enumeration value="String"/>
                    <xs:enumeration value="Number"/>
                    <xs:enumeration value="Boolean"/>
                    <xs:enumeration value="DateTime"/>
                    <xs:enumeration value="Enumerated"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
        
        <xs:attribute name="alignment" default="Left">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                    <xs:enumeration value="Left"/>
                    <xs:enumeration value="Center"/>
                    <xs:enumeration value="Right"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="relativeDescriptionType">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                    <xs:enumeration value="General"/>
                    <xs:enumeration value="Date"/>
                    <xs:enumeration value="Size"/>
                    <xs:enumeration value="Count"/>
                    <xs:enumeration value="Revision"/>
                    <xs:enumeration value="Length"/>
                    <xs:enumeration value="Duration"/>
                    <xs:enumeration value="Speed"/>
                    <xs:enumeration value="Rate"/>
                    <xs:enumeration value="Rating"/>
                    <xs:enumeration value="Priority"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="defaultSortDirection" default="Ascending">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                  <xs:enumeration value="Ascending"/>
                  <xs:enumeration value="Descending"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
    </xs:complexType>
</xs:element>

Element Information

Parent Element	Child Elements
propertyDescription	stringFormat
	booleanFormat
	numberFormat
	dateTimeFormat
	enumeratedList
	drawControl
	editControl
	filterControl
	queryControl (Windows Vista only. Not supported in Windows 7 and later.)

Attributes

defaultColumnWidth

Public. Optional. Default is "20".

displayType

Public. Optional. Default is "String". Specifies the type of the display string. Once set here, the associated PROPDESC_DISPLAYTYPE values are retrieved by IPropertyDescription::GetDisplayType. The following are valid types.

Value	Meaning
String	Default. Value is displayed as a string. Use "stringFormat" to format. Method returns PDDT_STRING.
Number	Default for numeric properties. Value is displayed as a number. Use "numberFormat" to format. Method returns PDDT_NUMBER.
Boolean	Default if <typeInfo type="Boolean">. Value is displayed as a boolean. Use "booleanFormat" to format. Method returns PDDT_BOOLEAN.
DateTime	Default if <typeInfo type="DateTime">. Value is displayed as a date or time. Use "dateTimeFormat" to format. Method returns PDDT_DATETIME.
Enumeration	Value is displayed as a display string mapping provided by the "enumeratedList" element. Method returns PDDT_ENUMERATED.

alignment

Optional. Default is "Left".

Value	Meaning
Left	Default. Align left.
Center	Align center.
Right	Align right.

relativeDescriptionType

Optional. Default is "General". Specifies how two values of this property should be described when they are compared with one another. In the case of equivalency, "Same" is always used. IPropertyDescription::GetRelativeDescription and IPropertyDescription::GetRelativeDescriptionType use this value to determine what relative description display names to use.

Value	Meaning
General	Default. Uses "Different" / "Same" / "Different".
Date	Default if <typeInfo type="DateTime">. Uses "Earlier" / "Same" / "Later", or uses "Older" / "Same" / "Newer", or uses "Sooner" / "Same" / "Later".
Size	Uses "Smaller" / "Same" / "Larger"
Count	Uses "Smaller" / "Same" / "Larger"
Revision	Uses "Earlier" / "Same" / "Later"
Length	Uses "Shorter" / "Same" / "Longer"
Duration	Uses "Shorter" / "Same" / "Longer"
Speed	Uses "Slower" / "Same" / "Faster"
Rate	Uses "Slower" / "Same" / "Faster"
Rating	Uses "Lower" / "Same" / "Higher"
Priority	Uses "Lower" / "Same" / "Higher"

defaultSortDirection

Specifies sort direction. Default is "Ascending".

Value	Meaning
Ascending	Sorts ascending.
Descending	Sorts descending.

Sdílet prostřednictvím

displayInfo

Syntax

Element Information

Attributes

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