我想用下面的方法在WPF应用程序.NET Framework 4 Client Profile
,但我收到此错误:类型或命名空间名称“异步”找不到
The type or namespace name 'async' could not be found
我使用
using System.Threading.Tasks;
任何想法可能是错的?在此先感谢
private async Task SumPageSizesAsync()
{
HttpClient client = new HttpClient();
Task<byte[]> getContentsTask = client.GetByteArrayAsync(url);
byte[] urlContents = await getContentsTask;
}
我使用VS 2010
感谢编辑 – GibboK
http://blogs.msdn.com/b /bclteam/archive/2012/10/22/using-async-await-without-net-framework-4-5.aspx?PageIndex=3 –