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StreamWriter.WriteAsync Method (String)
.NET Framework (current version)
Writes a string to the stream asynchronously.
Assembly: mscorlib (in mscorlib.dll)
<ComVisibleAttribute(False)> <HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading := True)> Public Overrides Function WriteAsync ( value As String ) As Task
Parameters
- value
-
Type:
System.String
The string to write to the stream. If value is null, nothing is written.
Return Value
Type: System.Threading.Tasks.TaskA task that represents the asynchronous write operation.
| Exception | Condition |
|---|---|
| ObjectDisposedException | The stream writer is disposed. |
| InvalidOperationException | The stream writer is currently in use by a previous write operation. |
The following example shows how to write a string to a text file by using the WriteAsync(String) method.
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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