HttpListenerResponse..::..AppendHeader Method
   Appends a value to the specified HTTP header sent with the response.
   
                
    Namespace: 
   WebSocketSharp.NetAssembly: C-DEngine (in C-DEngine.dll)
Exceptions
| Exception | Condition | 
|---|---|
| ArgumentNullException | name is nullNothingnullptra null reference (Nothing in Visual Basic) or empty. | 
| ArgumentException | name or value contains invalid characters. -or- name is a restricted header name.  | 
| ArgumentOutOfRangeException | The length of value is greater than 65,535 characters. | 
| InvalidOperationException | The current headers cannot allow the header to append a value. |