Bahasa

XmlSchemaType.IsDerivedFrom Metode

Definisi

Ruang nama:
System.Xml.Schema
Rakitan:
netstandard.dll, System.Xml.ReaderWriter.dll
Rakitan:
System.Xml.ReaderWriter.dll
Rakitan:
System.Xml.dll
Rakitan:
netstandard.dll
Sumber:
XmlSchemaType.cs
Sumber:
XmlSchemaType.cs
Sumber:
XmlSchemaType.cs
Sumber:
XmlSchemaType.cs
Sumber:
XmlSchemaType.cs

Mengembalikan nilai yang menunjukkan apakah jenis skema turunan yang ditentukan berasal dari jenis skema dasar yang ditentukan.

public:
 static bool IsDerivedFrom(System::Xml::Schema::XmlSchemaType ^ derivedType, System::Xml::Schema::XmlSchemaType ^ baseType, System::Xml::Schema::XmlSchemaDerivationMethod except);
public static bool IsDerivedFrom(System.Xml.Schema.XmlSchemaType? derivedType, System.Xml.Schema.XmlSchemaType? baseType, System.Xml.Schema.XmlSchemaDerivationMethod except);
public static bool IsDerivedFrom(System.Xml.Schema.XmlSchemaType derivedType, System.Xml.Schema.XmlSchemaType baseType, System.Xml.Schema.XmlSchemaDerivationMethod except);
static member IsDerivedFrom : System.Xml.Schema.XmlSchemaType * System.Xml.Schema.XmlSchemaType * System.Xml.Schema.XmlSchemaDerivationMethod -> bool
Public Shared Function IsDerivedFrom (derivedType As XmlSchemaType, baseType As XmlSchemaType, except As XmlSchemaDerivationMethod) As Boolean

Parameter

derivedType
XmlSchemaType

XmlSchemaType Turunan untuk diuji.

baseType
XmlSchemaType

Basis XmlSchemaType untuk menguji turunan XmlSchemaType terhadap.

except
XmlSchemaDerivationMethod

Salah satu nilai yang XmlSchemaDerivationMethod mewakili metode derivasi jenis untuk dikecualikan dari pengujian.

Mengembalikan

Boolean

true jika jenis turunan berasal dari jenis dasar; jika tidak, false.

Contoh

Berikut ini adalah contoh IsDerivedFrom metode .

XmlSchemaType xsdInteger = XmlSchemaType.GetBuiltInSimpleType(XmlTypeCode.Integer);
XmlSchemaType xsdPositiveInteger = XmlSchemaType.GetBuiltInSimpleType(XmlTypeCode.PositiveInteger);

// true
Console.WriteLine(XmlSchemaType.IsDerivedFrom(xsdPositiveInteger, xsdInteger, XmlSchemaDerivationMethod.None));

// false
Console.WriteLine(XmlSchemaType.IsDerivedFrom(xsdPositiveInteger, xsdInteger, XmlSchemaDerivationMethod.Restriction));

Dim xsdInteger As XmlSchemaType = XmlSchemaType.GetBuiltInSimpleType(XmlTypeCode.Integer)
Dim xsdPositiveInteger As XmlSchemaType = XmlSchemaType.GetBuiltInSimpleType(XmlTypeCode.PositiveInteger)

' True
Console.WriteLine(XmlSchemaType.IsDerivedFrom(xsdPositiveInteger, xsdInteger, XmlSchemaDerivationMethod.None))

' False
Console.WriteLine(XmlSchemaType.IsDerivedFrom(xsdPositiveInteger, xsdInteger, XmlSchemaDerivationMethod.Restriction))

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