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StreamReader::ReadLineAsync Method ()
.NET Framework (current version)
Reads a line of characters asynchronously from the current stream and returns the data as a string.
Assembly: mscorlib (in mscorlib.dll)
public: [ComVisibleAttribute(false)] [HostProtectionAttribute(SecurityAction::LinkDemand, ExternalThreading = true)] virtual Task<String^>^ ReadLineAsync() override
Return Value
Type: System.Threading.Tasks::Task<String^>^A task that represents the asynchronous read operation. The value of the TResult parameter contains the next line from the stream, or is null if all the characters have been read.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | The number of characters in the next line is larger than MaxValue. |
| ObjectDisposedException | The stream has been disposed. |
| InvalidOperationException | The reader is currently in use by a previous read operation. |
Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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