Variant-Klasse

Artikel
04/26/2011

Variant.When the object is serialized out as xml, its qualified name is vt:variant.

Vererbungshierarchie

System.Object
  DocumentFormat.OpenXml.OpenXmlElement
    DocumentFormat.OpenXml.OpenXmlCompositeElement
      DocumentFormat.OpenXml.VariantTypes.Variant

Namespace: DocumentFormat.OpenXml.VariantTypes
Assembly: DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)

Syntax

'Declaration
<ChildElementInfoAttribute(GetType(VTOStreamData))> _
<ChildElementInfoAttribute(GetType(VTUnsignedInteger))> _
<ChildElementInfoAttribute(GetType(VTClipboardData))> _
<ChildElementInfoAttribute(GetType(VTVector))> _
<ChildElementInfoAttribute(GetType(VTArray))> _
<ChildElementInfoAttribute(GetType(VTBlob))> _
<ChildElementInfoAttribute(GetType(VTOBlob))> _
<ChildElementInfoAttribute(GetType(VTEmpty))> _
<ChildElementInfoAttribute(GetType(VTNull))> _
<ChildElementInfoAttribute(GetType(VTByte))> _
<ChildElementInfoAttribute(GetType(VTShort))> _
<ChildElementInfoAttribute(GetType(VTInt32))> _
<ChildElementInfoAttribute(GetType(VTInt64))> _
<ChildElementInfoAttribute(GetType(VTInteger))> _
<ChildElementInfoAttribute(GetType(VTUnsignedByte))> _
<ChildElementInfoAttribute(GetType(VTUnsignedShort))> _
<ChildElementInfoAttribute(GetType(VTUnsignedInt32))> _
<ChildElementInfoAttribute(GetType(VTUnsignedInt64))> _
<ChildElementInfoAttribute(GetType(Variant))> _
<ChildElementInfoAttribute(GetType(VTFloat))> _
<ChildElementInfoAttribute(GetType(VTDouble))> _
<ChildElementInfoAttribute(GetType(VTDecimal))> _
<ChildElementInfoAttribute(GetType(VTLPSTR))> _
<ChildElementInfoAttribute(GetType(VTLPWSTR))> _
<ChildElementInfoAttribute(GetType(VTBString))> _
<ChildElementInfoAttribute(GetType(VTDate))> _
<ChildElementInfoAttribute(GetType(VTFileTime))> _
<ChildElementInfoAttribute(GetType(VTBool))> _
<ChildElementInfoAttribute(GetType(VTCurrency))> _
<ChildElementInfoAttribute(GetType(VTError))> _
<ChildElementInfoAttribute(GetType(VTStreamData))> _
<ChildElementInfoAttribute(GetType(VTStorage))> _
<ChildElementInfoAttribute(GetType(VTOStorage))> _
<ChildElementInfoAttribute(GetType(VTVStreamData))> _
<ChildElementInfoAttribute(GetType(VTClassId))> _
Public Class Variant _
    Inherits OpenXmlCompositeElement
'Usage
Dim instance As Variant

[ChildElementInfoAttribute(typeof(VTOStreamData))]
[ChildElementInfoAttribute(typeof(VTUnsignedInteger))]
[ChildElementInfoAttribute(typeof(VTClipboardData))]
[ChildElementInfoAttribute(typeof(VTVector))]
[ChildElementInfoAttribute(typeof(VTArray))]
[ChildElementInfoAttribute(typeof(VTBlob))]
[ChildElementInfoAttribute(typeof(VTOBlob))]
[ChildElementInfoAttribute(typeof(VTEmpty))]
[ChildElementInfoAttribute(typeof(VTNull))]
[ChildElementInfoAttribute(typeof(VTByte))]
[ChildElementInfoAttribute(typeof(VTShort))]
[ChildElementInfoAttribute(typeof(VTInt32))]
[ChildElementInfoAttribute(typeof(VTInt64))]
[ChildElementInfoAttribute(typeof(VTInteger))]
[ChildElementInfoAttribute(typeof(VTUnsignedByte))]
[ChildElementInfoAttribute(typeof(VTUnsignedShort))]
[ChildElementInfoAttribute(typeof(VTUnsignedInt32))]
[ChildElementInfoAttribute(typeof(VTUnsignedInt64))]
[ChildElementInfoAttribute(typeof(Variant))]
[ChildElementInfoAttribute(typeof(VTFloat))]
[ChildElementInfoAttribute(typeof(VTDouble))]
[ChildElementInfoAttribute(typeof(VTDecimal))]
[ChildElementInfoAttribute(typeof(VTLPSTR))]
[ChildElementInfoAttribute(typeof(VTLPWSTR))]
[ChildElementInfoAttribute(typeof(VTBString))]
[ChildElementInfoAttribute(typeof(VTDate))]
[ChildElementInfoAttribute(typeof(VTFileTime))]
[ChildElementInfoAttribute(typeof(VTBool))]
[ChildElementInfoAttribute(typeof(VTCurrency))]
[ChildElementInfoAttribute(typeof(VTError))]
[ChildElementInfoAttribute(typeof(VTStreamData))]
[ChildElementInfoAttribute(typeof(VTStorage))]
[ChildElementInfoAttribute(typeof(VTOStorage))]
[ChildElementInfoAttribute(typeof(VTVStreamData))]
[ChildElementInfoAttribute(typeof(VTClassId))]
public class Variant : OpenXmlCompositeElement

Hinweise

The following table lists the possible child types:

Variant <vt:variant>
VTVector <vt:vector>
VTArray <vt:array>
VTBlob <vt:blob>
VTOBlob <vt:oblob>
VTEmpty <vt:empty>
VTNull <vt:null>
VTByte <vt:i1>
VTShort <vt:i2>
VTInt32 <vt:i4>
VTInt64 <vt:i8>
VTInteger <vt:int>
VTUnsignedByte <vt:ui1>
VTUnsignedShort <vt:ui2>
VTUnsignedInt32 <vt:ui4>
VTUnsignedInt64 <vt:ui8>
VTUnsignedInteger <vt:uint>
VTFloat <vt:r4>
VTDouble <vt:r8>
VTDecimal <vt:decimal>
VTLPSTR <vt:lpstr>
VTLPWSTR <vt:lpwstr>
VTBString <vt:bstr>
VTDate <vt:date>
VTFileTime <vt:filetime>
VTBool <vt:bool>
VTCurrency <vt:cy>
VTError <vt:error>
VTStreamData <vt:stream>
VTOStreamData <vt:ostream>
VTStorage <vt:storage>
VTOStorage <vt:ostorage>
VTVStreamData <vt:vstream>
VTClassId <vt:clsid>
VTClipboardData <vt:cf>

[ISO/IEC 29500-1 1. Ausgabe]

22.4.2.32 variant (Variant)

This element can contain exactly 1 child element of any variant type. This element is only valid as a child element of a vector or array variant type.

[Example: A vector of variant types:

<vt:vector baseType="variant">
<vt:variant>
<vt:i4>12</vt:i4>
</vt:variant>
<vt:variant>
<vt:lpstr>WorkSheets</vt:lpstr>
</vt:variant>
</vt:vector>

end example]

Parent Elements
array (§22.4.2.1); variant (§22.4.2.32); vector (§22.4.2.33)

Child Elements	Subclause
array (Array)	§22.4.2.1
blob (Binary Blob)	§22.4.2.2
bool (Boolean)	§22.4.2.3
bstr (Basic String)	§22.4.2.4
clsid (Class ID)	§22.4.2.5
cy (Currency)	§22.4.2.6
date (Date and Time)	§22.4.2.7
decimal (Decimal)	§22.4.2.8
empty (Empty)	§22.4.2.9
error (Error Status Code)	§22.4.2.10
filetime (File Time)	§22.4.2.11
i1 (1-Byte Signed Integer)	§22.4.2.12
i2 (2-Byte Signed Integer)	§22.4.2.13
i4 (4-Byte Signed Integer)	§22.4.2.14
i8 (8-Byte Signed Integer)	§22.4.2.15
int (Integer)	§22.4.2.16
lpstr (LPSTR)	§22.4.2.17
lpwstr (LPWSTR)	§22.4.2.18
null (Null)	§22.4.2.19
oblob (Binary Blob Object)	§22.4.2.20
ostorage (Binary Storage Object)	§22.4.2.21
ostream (Binary Stream Object)	§22.4.2.22
r4 (4-Byte Real Number)	§22.4.2.23
r8 (8-Byte Real Number)	§22.4.2.24
storage (Binary Storage)	§22.4.2.25
stream (Binary Stream)	§22.4.2.26
ui1 (1-Byte Unsigned Integer)	§22.4.2.27
ui2 (2-Byte Unsigned Integer)	§22.4.2.28
ui4 (4-Byte Unsigned Integer)	§22.4.2.29
ui8 (8-Byte Unsigned Integer)	§22.4.2.30
uint (Unsigned Integer)	§22.4.2.31
variant (Variant)	§22.4.2.32
vector (Vector)	§22.4.2.33
vstream (Binary Versioned Stream)	§22.4.2.34

[Note: The W3C XML Schema definition of this element's content model (CT_Variant) is located in §A.6.4. end note]

© ISO/IEC29500: 2008. Die oben aufgeführten Textauszüge wurden von Microsoft (und/oder den Microsoft-Vendoren) von Englisch nach Deutsch übersetzt, und im Rahmen von ISO wird keinerlei Verantwortung für diese Übersetzungen übernommen.

Threadsicherheit

Alle öffentlichen static (Shared in Visual Basic) Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.

Siehe auch

Referenz

Variant-Member

DocumentFormat.OpenXml.VariantTypes-Namespace

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