Classe MemberCollection

Gets a read-only, on-demand collection of Member objects contained by a Position, a Level, or a Tuple.

Gerarchia di ereditarietà

System. . :: . .Object
  Microsoft.AnalysisServices.AdomdClient..::..MemberCollection

Spazio dei nomi  Microsoft.AnalysisServices.AdomdClient
Assembly:  Microsoft.AnalysisServices.AdomdClient (in Microsoft.AnalysisServices.AdomdClient.dll)

Sintassi

'Dichiarazione
Public NotInheritable Class MemberCollection _
    Implements ICollection, IEnumerable
'Utilizzo
Dim instance As MemberCollection
public sealed class MemberCollection : ICollection, 
    IEnumerable
public ref class MemberCollection sealed : ICollection, 
    IEnumerable
[<SealedAttribute>]
type MemberCollection =  
    class
        interface ICollection
        interface IEnumerable
    end
public final class MemberCollection implements ICollection, IEnumerable

Nel tipo MemberCollection sono esposti i membri seguenti.

Proprietà

  Nome Descrizione
Proprietà pubblica Count Gets the number of Member objects in the collection.
Proprietà pubblica IsSynchronized Gets a value indicating whether access to the collection is synchronized (thread safe).
Proprietà pubblica Item[ ( [ ( Int32] ) ] ) Gets the specified Member from the collection by its index. In C#, this property is the indexer for the MemberCollection class.
Proprietà pubblica Item[ ( [ ( String] ) ] ) Gets the specified Member from the collection by its name. In C#, this property is the indexer for the MemberCollection class.
Proprietà pubblica SyncRoot Gets an object that can be used to synchronize access to the collection.

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Metodi

  Nome Descrizione
Metodo pubblico CopyTo Copies the elements of the collection to the specified array.
Metodo pubblico Equals Ereditato da Object.
Metodo protetto Finalize Ereditato da Object.
Metodo pubblico Find Returns the specified Member from the collection by its name.
Metodo pubblico GetEnumerator Gets an Enumerator for iterating through the collection.
Metodo pubblico GetHashCode Ereditato da Object.
Metodo pubblico GetType Ereditato da Object.
Metodo protetto MemberwiseClone Ereditato da Object.
Metodo pubblico ToString Ereditato da Object.

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Implementazioni esplicite dell'interfaccia

  Nome Descrizione
Implementazione esplicita dell'interfacciaMetodo privato ICollection. . :: . .CopyTo
Implementazione esplicita dell'interfacciaMetodo privato IEnumerable. . :: . .GetEnumerator

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Osservazioni

Although the MemberCollection externally represents a collection of Member objects, the collection is internally loaded and managed in one of two ways, depending on the parent of the collection:

  • If the parent object was referenced as a result of a query, as in the case of a Tuple, the collection represents the members referenced by that query.

  • If the parent object was referenced as a result of a request for metadata, the collection represents the members referenced by the definition of the parent object.

Esempi

The following subroutine, given a Level, iterates through the MemberCollection and displays information for each member.

Public Overloads Sub ListMembers(ByRef LevelToCheck As Level)

    ' Check the parameter before performing actions on it.
    If LevelToCheck Is Nothing Then
        Throw New System.ArgumentNullException("LevelToCheck")
    Else
        ' Iterate through the Members collection of the
        ' Level object.

        Try
            Dim memberToCheck As Member

            Debug.WriteLine("Found " & LevelToCheck.GetMembers().Count& _
                " member(s) in level:")

            For Each memberToCheck In LevelToCheck.GetMembers()
                Debug.WriteLine("Member:  " & memberToCheck.Name)
                Debug.WriteLine("  Caption:          " & _
                    memberToCheck.Caption)
                Debug.WriteLine("  UniqueName:       " & _
                    memberToCheck.UniqueName)

                ' Note that the Children property loads a collection
                ' of Member objects on demand and
                ' therefore, slows performance when first
                ' referenced--you should instead use the 
                ' ChildCount property.
                Debug.WriteLine("  No. of children:  " & _
                    memberToCheck.ChildCount)
            Next
        Catch ex As AdomdConnectionException
            ' The connection could not be opened or was disconnected.
            ' This error can occur at any time, if the provider is 
            ' disconnected from the server.
            Debug.WriteLine(ex)
            Throw ex
        Catch ex As AdomdErrorResponseException
            ' A response is received from a provider which indicates an error.
            Debug.WriteLine(ex)
            Throw ex
        Catch ex As AdomdUnknownResponseException
            ' A response has been returned from the provider that 
            ' was not understood.
            Debug.WriteLine(ex)
            Throw ex
        Catch ex As AdomdCacheExpiredException
            ' A cached version of an ADOMD.NET object is no longer valid.
            ' This error is typically raised when reviewing metadata.
            Debug.WriteLine(ex)
            Throw ex
        Catch ex As AdomdException
            ' Any other error raised by ADOMD.NET.
            Debug.WriteLine(ex)
            Throw ex
        Catch ex As Exception
            ' Any other error.
            Debug.WriteLine(ex)
            Throw ex        End Try
    End If
End Sub

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.