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CloudBlobContainer.ListBlobs Method ()

Updated: April 24, 2013

[This topic is part of the Microsoft Azure Storage Client Library 1.7, which has been deprecated. See Storage Client Library for the latest version.]

Returns an enumerable collection of the blobs in the container.

Namespace: Microsoft.WindowsAzure.StorageClient
Assembly: Microsoft.WindowsAzure.StorageClient (in Microsoft.WindowsAzure.StorageClient.dll)

用法
Dim instance As CloudBlobContainer
Dim returnValue As IEnumerable(Of IListBlobItem)

returnValue = instance.ListBlobs

public IEnumerable<IListBlobItem> ListBlobs ()

Return Value

Type: System.Collections.Generic.IEnumerable

An enumerable collection of objects that implement IListBlobItem.

The following code example lists blobs in a container first hierarchically, and then using a flat blob listing. Note that the two listings will differ only if the blobs in the container include a delimiter character in their names, and therefore constitute a virtual directory structure.

static void ListBlobsInContainer(Uri blobEndpoint, string accountName, string accountKey)
{
    //Create service client for credentialed access to the Blob service.
    CloudBlobClient blobClient = 
        new CloudBlobClient(blobEndpoint, 
                            new StorageCredentialsAccountAndKey(accountName, accountKey));

    //Get a reference to the container.
    CloudBlobContainer container = blobClient.GetContainerReference("myblobs");

    //List blobs and directories in this container hierarchically (which is the default listing).
    foreach (var blobItem in container.ListBlobs())
    {
        Console.WriteLine(blobItem.Uri);
    }
    Console.WriteLine();

    //List blobs in this container using a flat listing.
    BlobRequestOptions options = new BlobRequestOptions();
    options.UseFlatBlobListing = true;

    //List snapshots, which requires a flat blob listing.
    options.BlobListingDetails = BlobListingDetails.Snapshots;
            
    foreach (var blobItem in container.ListBlobs(options))
    {
        Console.WriteLine(blobItem.Uri);
    }
}


The types of objects returned by the ListBlobs method depend on the type of listing that is being performed. If the UseFlatBlobListing property is set to true, the listing will return an enumerable collection of CloudBlob objects. If UseFlatBlobListing is set to false (the default value), the listing may return a collection containing CloudBlob objects and CloudBlobDirectory objects. The latter case provides a convenience for subsequent enumerations over a virtual blob hierarchy.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Development Platforms

Windows Vista, Windows 7, Windows Server 2008, Windows 8.1, Windows Server 2012 R2, Windows 8 and Windows Server 2012

 

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