DownloadBlobByteRange

Downloads a range of bytes from a blob to a byte array.

Properties

Azure Storage Credential

  • Account Name - The name of your Azure storage account.
  • Access Key - Your Azure account access key.
  • EndpointSuffix - To create a connection string for a storage service in a specific region.
  • BlobStorageUri - The Uri to the location of the Blob storage you want to access.
    • PrimaryUri and SecondaryUri settings available
  • FileStorageUri - The Uri to the location of the File storage you want to access.
    • PrimaryUri and SecondaryUri settings available
  • TableStorageUri - The Uri to the location of the Table storage you want to access.
    • PrimaryUri and SecondaryUri settings available
  • QueueStorageUri - The Uri to the location of the Queue storage you want to access.
    • PrimaryUri and SecondaryUri settings available

Container name

The container name. To access the root container, specify $root as the name.

Relative address

The relative address for the blob, e.g. folder/subfolder.

Blob name

The name of the blob.

Offset

The starting offset of the data range, in bytes. If not specified, the offset is set to 0.

Length

The length of the data to download from the file, in bytes. If not specified, all the data is downloaded.

Lease id

Specifies a lease id that must match the lease on a blob. Required if there is a lease on the blob.

If match ETag

ETag value for a condition specifying that the given ETag must match blob's ETag. Do not use simultaneously with If none match ETag or If modified since time.

If none match ETag

ETag value for a condition specifying that the given ETag must not match blob's ETag. Do not use simultaneously with If match ETag or If not modified since time.

If modified since time

Specifies a DateTime value in ISO 8061 format for a condition specifying a time since which the blob has been modified. Do not use simultaneously with If not modified since time or If match ETag. If If none match ETag is specified, this property is ignored.

If not modified since time

Specifies a DateTime value in ISO 8061 format for a condition specifying a time since which the blob has not been modified. Do not use simultaneously with If modified since time or If none match ETag. If If match ETag is specified, this property is ignored.

Enable content MD5 validation

Specifies if MD5 validation will be enabled when downloading blobs.

Encryption policy

Specifies client side encryption policy for performing envelope encryption/decryption of Azure blobs. To retrieve blob's decoded content specify Client id and Client key of an application registered with Azure Active Directory and authorized to use the key or secret. Key or secret id specifies the URL of a key in a Key Vault that the blob was encrypted with.


Please refer to the following Azure API reference documentation:

Configure Azure Storage connection strings:

https://docs.microsoft.com/en-us/azure/storage/common/storage-configure-connection-string

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.auth.storagecredentials.-ctor?view=azure-dotnet#Microsoft_Azure_Storage_Auth_StorageCredentials__ctor_System_String_System_String_

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.cloudstorageaccount.-ctor?view=azure-dotnet#Microsoft_Azure_Storage_CloudStorageAccount__ctor_Microsoft_Azure_Storage_Auth_StorageCredentials_System_String_System_Boolean_

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.cloudstorageaccount.-ctor?view=azure-dotnet#Microsoft_Azure_Storage_CloudStorageAccount__ctor_Microsoft_Azure_Storage_Auth_StorageCredentials_Microsoft_Azure_Storage_StorageUri_Microsoft_Azure_Storage_StorageUri_Microsoft_Azure_Storage_StorageUri_Microsoft_Azure_Storage_StorageUri_

Documentation to assist in setting properties:

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.accesscondition?view=azure-dotnet

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.blob.blobrequestoptions?view=azure-dotnet

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.blob.cloudblob.downloadrangetobytearray?view=azure-dotnet

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.blob.cloudblobclient.getcontainerreference?view=azure-dotnet

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.blob.cloudblobcontainer.getdirectoryreference?view=azure-dotnet

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.blob.cloudblobcontainer.getblobreference?view=azure-dotnet

https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.storage.blob.cloudblobdirectory.getblobreference?view=azure-dotnet