WriteLineAsync Method (Char[], Int32, Int32)
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StreamWriter.WriteLineAsync Method (Char[], Int32, Int32)

.NET Framework (current version)
 

Writes a subarray of characters followed by a line terminator asynchronously to the stream.

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

[<ComVisibleAttribute(false)>]
[<HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)>]
override WriteLineAsync : 
        buffer:char[] *
        index:int *
        count:int -> Task

Parameters

buffer
Type: System.Char[]

The character array to write data from.

index
Type: System.Int32

The character position in the buffer at which to start reading data.

count
Type: System.Int32

The maximum number of characters to write.

Return Value

Type: System.Threading.Tasks.Task

A task that represents the asynchronous write operation.

Exception Condition
ArgumentNullException

buffer is null.

ArgumentException

The index plus count is greater than the buffer length.

ArgumentOutOfRangeException

index or count is negative.

ObjectDisposedException

The stream writer is disposed.

InvalidOperationException

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

The line terminator is defined by the TextWriter.NewLine property.

The following example shows how to write characters to two separate lines in a text file by using the WriteLineAsync(Char[], Int32, Int32) method. The first line contains the first 11 characters from the string (the letters "First line" followed by a space). The second line contains the remaining characters from the string (the letters "and second line").

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 4.5
.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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