IUserDefinedDataType 接口

语法

声明
Public Interface IUserDefinedDataType _
    Inherits IUserDefinedType, ISchemaOwnedObject, IDatabaseObject, IScalarDataType,  _
    IDataType, IMetadataObject
用法
Dim instance As IUserDefinedDataType

public interface IUserDefinedDataType : IUserDefinedType, 
    ISchemaOwnedObject, IDatabaseObject, IScalarDataType, IDataType, IMetadataObject

public interface class IUserDefinedDataType : IUserDefinedType, 
    ISchemaOwnedObject, IDatabaseObject, IScalarDataType, IDataType, IMetadataObject

type IUserDefinedDataType =  
    interface
        interface IUserDefinedType
        interface ISchemaOwnedObject
        interface IDatabaseObject
        interface IScalarDataType
        interface IDataType
        interface IMetadataObject
    end

public interface IUserDefinedDataType extends IUserDefinedType, ISchemaOwnedObject, IDatabaseObject, IScalarDataType, IDataType, IMetadataObject

属性

	名称	说明
	BaseSystemDataType	Gets the base system data type that the user-defined data type is derived from. （从 IScalarDataType 继承。）
	IsClr	Gets a value that indicates whether this is a CLR data type. （从 IScalarDataType 继承。）
	IsCursor	Gets a value that indicates whether this is a cursor data type. （从 IDataType 继承。）
	IsScalar	Gets a value that indicates whether this is a scalar data type. （从 IDataType 继承。）
	IsSystem	Gets a value that indicates whether this is a system data type. （从 IScalarDataType 继承。）
	IsSystemObject	Gets a value that indicates whether this is a system object. （从 IDatabaseObject 继承。）
	IsTable	Gets a value that indicates whether this is a table data type. （从 IDataType 继承。）
	IsUnknown	Gets a value that indicates whether the data type instance is a placeholder unknown type. （从 IDataType 继承。）
	IsVoid	Gets a value that indicates whether this data type represents the neutral void type, which is the type for NULL expression. （从 IScalarDataType 继承。）
	IsXml	Gets a value that indicates whether this is an xml data type. （从 IScalarDataType 继承。）
	Name	Gets the name of the metadata object. （从 IMetadataObject 继承。）
	Nullable	Gets a value that indicates whether the type is nullable.
	Parent	Gets the IDatabaseObject object that is the parent of this object. （从 IDatabaseObject 继承。）
	Schema	Gets the ISchema object that owns this object. （从 ISchemaOwnedObject 继承。）

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方法

	名称	说明
	Accept< (Of < <' (T> ) > > )(IDatabaseObjectVisitor< (Of < <' (T> ) > > ))	Accepts a visit from the specified IDatabaseObjectVisitor<(Of <(<'T>)>)> object. （从 IDatabaseObject 继承。）
	Accept< (Of < <' (T> ) > > )(IMetadataObjectVisitor< (Of < <' (T> ) > > ))	Accepts a visit from the specified IMetadataObjectVisitor<(Of <(<'T>)>)> object. （从 IMetadataObject 继承。）
	Accept< (Of < <' (T> ) > > )(ISchemaOwnedObjectVisitor< (Of < <' (T> ) > > ))	Accepts a visit from the specified ISchemaOwnedObjectVisitor<(Of <(<'T>)>)> object. （从 ISchemaOwnedObject 继承。）

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请参阅

参考