本文整理汇总了C#中Microsoft.WindowsAzure.Storage.File.CloudFile.BeginDownloadToFile方法的典型用法代码示例。如果您正苦于以下问题:C# CloudFile.BeginDownloadToFile方法的具体用法?C# CloudFile.BeginDownloadToFile怎么用?C# CloudFile.BeginDownloadToFile使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Microsoft.WindowsAzure.Storage.File.CloudFile
的用法示例。
在下文中一共展示了CloudFile.BeginDownloadToFile方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DoUploadDownloadFile
private void DoUploadDownloadFile(CloudFile file, int fileSize, bool isAsync)
{
string inputFileName = Path.GetTempFileName();
string outputFileName = Path.GetTempFileName();
try
{
byte[] buffer = GetRandomBuffer(fileSize);
using (FileStream fileStream = new FileStream(inputFileName, FileMode.Create, FileAccess.Write))
{
fileStream.Write(buffer, 0, buffer.Length);
}
if (isAsync)
{
IAsyncResult result;
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
result = file.BeginUploadFromFile(inputFileName, FileMode.Open,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
file.EndUploadFromFile(result);
OperationContext context = new OperationContext();
result = file.BeginUploadFromFile(inputFileName, FileMode.Open, null, null, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
file.EndUploadFromFile(result);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
TestHelper.ExpectedException<IOException>(
() => file.BeginDownloadToFile(outputFileName, FileMode.CreateNew, null, null),
"CreateNew on an existing file should fail");
context = new OperationContext();
result = file.BeginDownloadToFile(outputFileName, FileMode.Create, null, null, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
file.EndDownloadToFile(result);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
using (FileStream inputFile = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFile = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
TestHelper.AssertStreamsAreEqual(inputFile, outputFile);
}
result = file.BeginDownloadToFile(outputFileName, FileMode.Append,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
file.EndDownloadToFile(result);
using (FileStream inputFile = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFile = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
Assert.AreEqual(2 * fileSize, outputFile.Length);
for (int i = 0; i < fileSize; i++)
{
Assert.AreEqual(inputFile.ReadByte(), outputFile.ReadByte());
}
inputFile.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < fileSize; i++)
{
Assert.AreEqual(inputFile.ReadByte(), outputFile.ReadByte());
}
}
}
}
else
{
file.UploadFromFile(inputFileName, FileMode.Open);
OperationContext context = new OperationContext();
file.UploadFromFile(inputFileName, FileMode.Open, null, null, context);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
TestHelper.ExpectedException<IOException>(
() => file.DownloadToFile(outputFileName, FileMode.CreateNew),
"CreateNew on an existing file should fail");
context = new OperationContext();
file.DownloadToFile(outputFileName, FileMode.Create, null, null, context);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
using (FileStream inputFileStream = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFileStream = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
TestHelper.AssertStreamsAreEqual(inputFileStream, outputFileStream);
}
file.DownloadToFile(outputFileName, FileMode.Append);
using (FileStream inputFileStream = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFileStream = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
//.........这里部分代码省略.........