本文整理匯總了C#中Microsoft.WindowsAzure.Storage.Blob.CloudBlob.DeleteIfExistsAsync方法的典型用法代碼示例。如果您正苦於以下問題：C# CloudBlob.DeleteIfExistsAsync方法的具體用法？C# CloudBlob.DeleteIfExistsAsync怎麽用？C# CloudBlob.DeleteIfExistsAsync使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Microsoft.WindowsAzure.Storage.Blob.CloudBlob的用法示例。
在下文中一共展示了CloudBlob.DeleteIfExistsAsync方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: SetAvailableStateAsync
/// <summary>
/// Puts the lease on the given blob in an available state.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
internal static async Task SetAvailableStateAsync(CloudBlob blob)
{
bool shouldBreakFirst = false;
OperationContext operationContext = new OperationContext();
try
{
await blob.DeleteIfExistsAsync(DeleteSnapshotsOption.None, null, null, operationContext);
}
catch (Exception)
{
if (operationContext.LastResult.ExtendedErrorInformation.ErrorCode == BlobErrorCodeStrings.LeaseIdMissing)
{
shouldBreakFirst = true;
}
else
{
throw;
}
}
if (shouldBreakFirst)
{
await blob.BreakLeaseAsync(TimeSpan.Zero);
await blob.DeleteAsync();
}
await CreateBlobAsync(blob);
}示例2: SetAvailableStateTask
/// <summary>
/// Puts the lease on the given blob in an available state.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
internal static void SetAvailableStateTask(CloudBlob blob)
{
bool shouldBreakFirst = false;
try
{
blob.DeleteIfExistsAsync().Wait();
}
catch (AggregateException ex)
{
StorageException exception = ex.InnerException as StorageException;
if (exception == null)
{
throw;
}
if (exception.RequestInformation.ExtendedErrorInformation.ErrorCode == BlobErrorCodeStrings.LeaseIdMissing)
{
shouldBreakFirst = true;
}
else
{
throw;
}
}
if (shouldBreakFirst)
{
blob.BreakLeaseAsync(TimeSpan.Zero).Wait();
blob.DeleteAsync().Wait();
}
CreateBlobTask(blob);
}