cloud_page_blob::open_write Method
Opens a stream for writing to an existing page blob.
concurrency::streams::ostream open_write();
concurrency::streams::ostream open_write(
const access_condition& condition,
const blob_request_options& options,
operation_context context
);
concurrency::streams::ostream open_write(
utility::size64_t size
);
concurrency::streams::ostream open_write(
utility::size64_t size,
int64_t sequence_number,
const access_condition& condition,
const blob_request_options& options,
operation_context context
);
Parameters
- condition
An azure::storage::access_condition object that represents the access condition for the operation.
- options
A azure::storage::blob_request_options object that specifies additional options for the request.
- context
An azure::storage::operation_context object that represents the context for the current operation.
- size
The size of the write operation, in bytes. The size must be a multiple of 512.
- sequence_number
A user-controlled number to track request sequence, whose value must be between 0 and 2^63 - 1.
Return Value
A stream to be used for writing to the blob.
Requirements
Header: blob.h
Namespace: azure::storage