TextWriter.WriteAsync Method (Char[], Int32, Int32)

May 11, 2014

Writes a subarray of characters to the text string or stream asynchronously.

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

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

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 retrieving data.
count
Type: System.Int32
The number of characters to write.

Return Value

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

ExceptionCondition
ArgumentNullException

buffer is null.

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.

Windows Phone OS

Supported in: 8.1, 8.0

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