StreamWriter.Null Field
Definition
Important
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Provides a StreamWriter with no backing store that can be written to, but not read from.
public: static initonly System::IO::StreamWriter ^ Null;public static readonly System.IO.StreamWriter Null; staticval mutable Null : System.IO.StreamWriterPublic Shared ReadOnly Null As StreamWriter Field Value
Examples
The following example demonstrates a use of the Null field.
if ( sw->Equals( StreamWriter::Null ) )
{
sw->WriteLine( "The store can be written to, but not read from." );
}
if(sw.Equals(StreamWriter.Null))
{
sw.WriteLine("The store can be written to, but not read from.");
}
If Sw.Equals(StreamWriter.Null) Then
Sw.WriteLine("The store can be written to, but not read from.")
End If
Remarks
Use Null to redirect output to a StreamWriter that will not consume any operating system resources.
When the StreamWriter.Write methods are invoked on Null, the call simply returns, and no data is actually written to any backing store.
For a list of common I/O tasks, see Common I/O Tasks.
Applies to
See also
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