C# CloudBlockBlob.SetProperties方法代碼示例

        /// <summary>
        /// Test blob writing, expecting success.
        /// </summary>
        /// <param name="testBlob">The blob to test.</param>
        /// <param name="sourceBlob">A blob to use as the source of a copy.</param>
        /// <param name="testAccessCondition">The access condition to use.</param>
        private void BlobWriteExpectLeaseSuccess(CloudBlockBlob testBlob, CloudBlob sourceBlob, AccessCondition testAccessCondition)
        {
            testBlob.SetMetadata(testAccessCondition, null /* options */);
            testBlob.SetProperties(testAccessCondition, null /* options */);
            UploadText(testBlob, "No Problem", Encoding.UTF8, testAccessCondition, null /* options */);
            testBlob.StartCopy(TestHelper.Defiddler(sourceBlob.Uri), null /* source access condition */, testAccessCondition, null /* options */);

            while (testBlob.CopyState.Status == CopyStatus.Pending)
            {
                Thread.Sleep(1000);
                testBlob.FetchAttributes();
            }

            Stream stream = testBlob.OpenWrite(testAccessCondition, null /* options */);
            stream.WriteByte(0);
            stream.Flush();

            testBlob.Delete(DeleteSnapshotsOption.None, testAccessCondition, null /* options */);
        }

        /// <summary>
        /// Test blob write and creation, expecting lease failure.
        /// </summary>
        /// <param name="testBlob">The blob to test.</param>
        /// <param name="sourceBlob">A blob to use as the source of a copy.</param>
        /// <param name="testAccessCondition">The failing access condition to use.</param>
        /// <param name="expectedErrorCode">The expected error code.</param>
        /// <param name="description">The reason why these calls should fail.</param>
        private void BlobWriteExpectLeaseFailure(CloudBlockBlob testBlob, CloudBlockBlob sourceBlob, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description)
        {
            this.BlobCreateExpectLeaseFailure(testBlob, sourceBlob, testAccessCondition, expectedStatusCode, expectedErrorCode, description);

            TestHelper.ExpectedException(
                () => testBlob.SetMetadata(testAccessCondition, null /* options */),
                description + " (Set Metadata)",
                expectedStatusCode,
                expectedErrorCode);
            TestHelper.ExpectedException(
                () => testBlob.SetProperties(testAccessCondition, null /* options */),
                description + " (Set Properties)",
                expectedStatusCode,
                expectedErrorCode);
            TestHelper.ExpectedException(
                () => testBlob.Delete(DeleteSnapshotsOption.None, testAccessCondition, null /* options */),
                description + " (Delete)",
                expectedStatusCode,
                expectedErrorCode);
        }

        public void SetBlobProperties(CloudBlockBlob blob)
        {
            // Set all the properties on the blob as required

            // set cache-control header if necessary
            string header = "max-age=31536000";
            if (blob.Properties.CacheControl != header)
            {
                blob.Properties.CacheControl = header;
                blob.SetProperties();
            }
        }

        private static async Task<string> ResizeImage(Stream streamInput, CloudBlockBlob blobOutput, ImageSize size)
        {
            streamInput.Position = 0;

            using (var memoryStream = new MemoryStream()) {
                // use a memory stream, since using the blob stream directly causes InvalidOperationException due to the way image resizer works
                var instructions = new Instructions(imageDimensionsTable[size]);
                var job = new ImageJob(streamInput, memoryStream, instructions, disposeSource: false, addFileExtension: false);

                // use the advanced version of resize so that we can get the content type
                var result = ImageBuilder.Current.Build(job);

                memoryStream.Position = 0;
                await blobOutput.UploadFromStreamAsync(memoryStream);

                var contentType = result.ResultMimeType;
                blobOutput.Properties.ContentType = contentType;
                blobOutput.SetProperties();

                return contentType;
            }
        }