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TextWriter::WriteLineAsync Method (String)

.NET Framework 4.6 and 4.5

Writes a string followed by a line terminator asynchronously to the text string or stream.

Namespace:  System.IO
Assemblies:   mscorlib (in mscorlib.dll)
  System.IO (in System.IO.dll)

[ComVisibleAttribute(false)]
[HostProtectionAttribute(SecurityAction::LinkDemand, ExternalThreading = true)]
public:
virtual Task^ WriteLineAsync(
	String^ value
)

Parameters

value
Type: System::String

The string to write. If the value is nullptr, only a line terminator is written.

Return Value

Type: System.Threading.Tasks::Task
A task that represents the asynchronous write operation.

ExceptionCondition
ObjectDisposedException

The text writer is disposed.

InvalidOperationException

The text writer is currently in use by a previous write operation.

The line terminator is defined by the CoreNewLine field.

The TextWriter class is an abstract class. Therefore, you do not instantiate it in your code. For an example of using the WriteLineAsync method, see the StreamWriter::WriteLineAsync method.

NoteNote

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 4.6, 4.5

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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