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 | |
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Count | Gets the number of objects in the referenced collection. Ereditato da SmoCollectionBase. |
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IsSynchronized | Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. Ereditato da SmoCollectionBase. |
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Item[Int32] | Gets a UserDefinedDataType object in the collection by index number. |
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Item[String] | Gets a UserDefinedDataType object in the collection by name. |
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Item[String, String] | Gets a UserDefinedDataType object in the collection by name and schema. |
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Parent | Gets the Database object that is the parent of the UserDefinedDataType object. |
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SyncRoot | Gets an object that can be used to synchronize access to the collection. Ereditato da SmoCollectionBase. |
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Metodi
Nome | Descrizione | |
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Add | Adds a UDT to the collection. |
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AddExisting | Adds an object to the collection. Ereditato da AbstractCollectionBase. |
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Contains(String) | Validates whether the parameter collection contains a member with a name equal to the specified string. Ereditato da SchemaCollectionBase. |
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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. |
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CopyTo | Copies the collection objects to a one-dimensional array beginning at the index value specified. |
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Equals | Ereditato da Object. |
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GetEnumerator | Returns an IEnumerator interface that allows you to iterate through the objects in the collection. Ereditato da SmoCollectionBase. |
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GetHashCode | Ereditato da Object. |
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GetType | Ereditato da Object. |
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ItemById | Extracts a member from the UserDefinedDataTypeCollection collection using a system-defined, unique identifier. |
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Refresh() | Refreshes the referenced collection. Ereditato da SmoCollectionBase. |
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Refresh(Boolean) | Refreshes the referenced collection with the option to refresh child objects of the referenced collection. Ereditato da SmoCollectionBase. |
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ToString | Ereditato da Object. |
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Campi
Nome | Descrizione | |
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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 | |
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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
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.