Classe DataFileCollection

The DataFileCollection class represents a collection of DataFile objects that represent all the data files defined on the parent object.

Gerarchia di ereditarietà

System. . :: . .Object
  Microsoft.SqlServer.Management.Smo. . :: . .AbstractCollectionBase
    Microsoft.SqlServer.Management.Smo. . :: . .SmoCollectionBase
      Microsoft.SqlServer.Management.Smo. . :: . .SortedListCollectionBase
        Microsoft.SqlServer.Management.Smo. . :: . .SimpleObjectCollectionBase
          Microsoft.SqlServer.Management.Smo..::..DataFileCollection

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

Sintassi

'Dichiarazione
Public NotInheritable Class DataFileCollection _
    Inherits SimpleObjectCollectionBase
'Utilizzo
Dim instance As DataFileCollection

public sealed class DataFileCollection : SimpleObjectCollectionBase

public ref class DataFileCollection sealed : public SimpleObjectCollectionBase

[<SealedAttribute>]
type DataFileCollection =  
    class
        inherit SimpleObjectCollectionBase
    end

public final class DataFileCollection extends SimpleObjectCollectionBase

Nel tipo DataFileCollection 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 DataFile object in the collection by index number.
	Item[ ( [ ( String] ) ] )	Gets a DataFile object in the collection by name.
	Parent	Gets the FileGroup object that is the parent of the DataFileCollection 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 DataFile object to the DataFileCollection collection.
	AddExisting	Adds an object to the collection. Ereditato da AbstractCollectionBase.
	AddImpl	Adds the specified object to this collection Ereditato da SortedListCollectionBase.
	Contains	Verifies whether the specified object exists in the collection. Ereditato da SimpleObjectCollectionBase.
	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 SimpleObjectCollectionBase.
	ItemById	Extracts a member from the DataFileCollection 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.
	Remove(String)	Removes a DataFile object from the DataFileCollection collection by specifying the name of the data file.
	Remove(DataFile)	Removes a DataFile object from the DataFileCollection collection by specifying the object.
	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 DataFileCollection object can be used to gain access to a set of check constraints. You can use the Item property to return a specific DataFile object.

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