StreamWriter.WriteAsync Method (Char[], Int32, Int32)
.NET Framework (current version)
Writes a subarray of characters to the stream asynchronously.
Assembly: mscorlib (in mscorlib.dll)
[<ComVisibleAttribute(false)>] [<HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)>] override WriteAsync : buffer:char[] * index:int * count:int -> Task
Parameters
- buffer
-
Type:
System.Char[]
A character array that contains the data to write.
- index
-
Type:
System.Int32
The character position in the buffer at which to begin reading data.
- count
-
Type:
System.Int32
The maximum number of characters to write.
Return Value
Type: System.Threading.Tasks.TaskA 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. |
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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