Classe UserDefinedDataTypeCollection

The UserDefinedDataTypeCollection class represents a collection of UserDefinedDataType objects that represent all the user-defined data types defined on a table.

Gerarchia di ereditarietà

System. . :: . .Object
  Microsoft.SqlServer.Management.Smo. . :: . .AbstractCollectionBase
    Microsoft.SqlServer.Management.Smo. . :: . .SmoCollectionBase
      Microsoft.SqlServer.Management.Smo. . :: . .SortedListCollectionBase
        Microsoft.SqlServer.Management.Smo. . :: . .SchemaCollectionBase
          Microsoft.SqlServer.Management.Smo..::..UserDefinedDataTypeCollection

Spazio dei nomi  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Sintassi

'Dichiarazione
Public NotInheritable Class UserDefinedDataTypeCollection _
    Inherits SchemaCollectionBase
'Utilizzo
Dim instance As UserDefinedDataTypeCollection

public sealed class UserDefinedDataTypeCollection : SchemaCollectionBase

public ref class UserDefinedDataTypeCollection sealed : public SchemaCollectionBase

[<SealedAttribute>]
type UserDefinedDataTypeCollection =  
    class
        inherit SchemaCollectionBase
    end

public final class UserDefinedDataTypeCollection extends SchemaCollectionBase

Nel tipo UserDefinedDataTypeCollection sono esposti i membri seguenti.

Proprietà

	Nome	Descrizione
	Count	Gets the number of objects in the referenced collection. Ereditato da SmoCollectionBase.
	IsSynchronized	Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. Ereditato da SmoCollectionBase.
	Item[ ( [ ( Int32] ) ] )	Gets a UserDefinedDataType object in the collection by index number.
	Item[ ( [ ( String] ) ] )	Gets a UserDefinedDataType object in the collection by name.
	Item[ ( [ ( String, String] ) ] )	Gets a UserDefinedDataType object in the collection by name and schema.
	Parent	Gets the Database object that is the parent of the UserDefinedDataType object.
	SyncRoot	Gets an object that can be used to synchronize access to the collection. Ereditato da SmoCollectionBase.

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Metodi

	Nome	Descrizione
	Add	Adds a UDT to the collection.
	AddExisting	Adds an object to the collection. Ereditato da AbstractCollectionBase.
	AddImpl	Adds the specified object to this collection Ereditato da SortedListCollectionBase.
	Contains(String)	Validates whether the parameter collection contains a member with a name equal to the specified string. Ereditato da SchemaCollectionBase.
	Contains(String, String)	Validates whether the parameter collection contains a member with a name equal to the specified string and with the specified schema. Ereditato da SchemaCollectionBase.
	CopyTo	Copies the collection objects to a one-dimensional array beginning at the index value specified.
	Equals	Ereditato da Object.
	Finalize	Ereditato da Object.
	GetCollectionElementType	Gets the Collection Element Type. Ereditato da SmoCollectionBase.
	GetEnumerator	Returns an IEnumerator interface that allows you to iterate through the objects in the collection. Ereditato da SmoCollectionBase.
	GetHashCode	Ereditato da Object.
	GetItemById(Int32)	Extracts a member from the referenced collection using a system-defined, unique identifier. Ereditato da SmoCollectionBase.
	GetItemById(Int32, String)	Extracts a member from the referenced collection using a system-defined, unique identifier and name. Ereditato da SmoCollectionBase.
	GetObjectByIndex	Extracts a member from the referenced collection using a system-defined, unique identifier. Ereditato da SmoCollectionBase.
	GetType	Ereditato da Object.
	ImplAddExisting	Adds an existing specified object to this collection Ereditato da SortedListCollectionBase.
	InitializeChildCollection() () () ()	Initializes the child collections of the referenced collection. Ereditato da SmoCollectionBase.
	InitializeChildCollection(Boolean)	Initializes the child collections of the referenced collection with the option to refresh the properties of the referenced collection. Ereditato da SmoCollectionBase.
	InitInnerCollection	Initializes the collection. Ereditato da SchemaCollectionBase.
	ItemById	Extracts a member from the UserDefinedDataTypeCollection collection using a system-defined, unique identifier.
	MemberwiseClone	Ereditato da Object.
	Refresh() () () ()	Refreshes the referenced collection. Ereditato da SmoCollectionBase.
	Refresh(Boolean)	Refreshes the referenced collection with the option to refresh child objects of the referenced collection. Ereditato da SmoCollectionBase.
	ToString	Ereditato da Object.
	ValidateParentObject	Validates the parent object exists. Ereditato da SmoCollectionBase.

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Campi

	Nome	Descrizione
	initialized	This value supports the SMO infrastructure and is not intended to be used directly from your code. Ereditato da AbstractCollectionBase.

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Implementazioni esplicite dell'interfaccia

	Nome	Descrizione
	ICollection. . :: . .CopyTo	Copies the elements from an instance to an array beginning at the index indicated. Ereditato da SmoCollectionBase.

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Osservazioni

A UserDefinedDataTypeCollection object can be used to gain access to a set of user-defined data types. You can use the Item property to return a specific UserDefinedDataType object.

Thread Safety

Tutti i membri statici pubblici (Shared in Microsoft Visual Basic) di questo tipo sono sicuri per le operazioni a thread multipli. Non è invece garantita la sicurezza dei membri dell'istanza.

Esempi

Utilizzo delle raccolte

Protezione dei thread

I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.

Vedere anche

Riferimento

Spazio dei nomi Microsoft.SqlServer.Management.Smo