HttpListenerPrefixCollection.Contains Method
Returns a Boolean value that indicates whether the specified prefix is contained in the collection.
Assembly: System (in System.dll)
Parameters
- uriPrefix
- Type: System.String
A String that contains the Uniform Resource Identifier (URI) prefix to test.
Return Value
Type: System.Booleantrue if this collection contains the prefix specified by uriPrefix; otherwise, false.
Implements
ICollection<T>.Contains(T)| Exception | Condition |
|---|---|
| ArgumentNullException | uriPrefix is null. |
The following code example checks to see whether a user-specified prefix is contained in the prefix collection of an HttpListener.
public static bool CheckForPrefix(HttpListener listener, string prefix) { // Get the prefixes that the Web server is listening to. HttpListenerPrefixCollection prefixes = listener.Prefixes; if (prefixes.Count == 0 || prefix == null) { return false; } return prefixes.Contains(prefix); }
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
