HttpListenerPrefixCollection.Clear Method
Definition
Important
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Removes all the Uniform Resource Identifier (URI) prefixes from the collection.
public:
virtual void Clear();public void Clear();abstract member Clear : unit -> unit
override this.Clear : unit -> unitPublic Sub Clear ()Implements
Exceptions
A Windows function call failed. Check the exception's ErrorCode property to determine the cause of the exception.
The HttpListener associated with this collection is closed.
Examples
The following code example removes all prefixes in an HttpListenerPrefixCollection.
public static bool RemoveAllPrefixes(HttpListener listener)
{
// Get the prefixes that the Web server is listening to.
HttpListenerPrefixCollection prefixes = listener.Prefixes;
try
{
prefixes.Clear();
}
// If the operation failed, return false.
catch
{
return false;
}
return true;
}
Public Shared Function RemoveAllPrefixes(ByVal listener As HttpListener) As Boolean
' Get the prefixes that the Web server is listening to.
Dim prefixes As HttpListenerPrefixCollection = listener.Prefixes
Try
prefixes.Clear()
Catch ' If the operation failed, return false.
Return False
End Try
Return True
End Function
Remarks
After calling this method, you cannot start the associated HttpListener without adding new prefixes; if you try to do so, an exception is thrown.
Notes to Callers
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.
