TextWriter.WriteLineAsync Method (array<Char>[]()[], Int32, Int32)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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

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

Syntax

Public Overridable Function WriteLineAsync ( _
    buffer As Char(), _
    index As Integer, _
    count As Integer _
) As Task

public virtual Task WriteLineAsync(
    char[] buffer,
    int index,
    int count
)

buffer
Type: array<System..::.Char>[]()[]
The character array to write data from.

index
Type: System..::.Int32
The character position in the buffer at which to start retrieving data.

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

Exception	Condition
ArgumentNullException	buffer is nullNothingnullptra null reference (Nothing in Visual Basic).
ArgumentException	The index plus count is greater than the buffer length.
ArgumentOutOfRangeException	index or count is negative.
ObjectDisposedException	The text writer is disposed.
InvalidOperationException	The text writer is currently in use by a previous write operation.