AddressHeaderCollection.FindHeader Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Finds the first address header in the collection with a specified name and namespace.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
'Declaration Public Function FindHeader ( _ name As String, _ ns As String _ ) As AddressHeader
Parameters
- name
- Type: System.String
The name of the address header to be found.
- ns
- Type: System.String
The namespace of the address header to be found.
Return Value
Type: System.ServiceModel.Channels.AddressHeaderThe AddressHeader in the collection with the specified name and namespace.
| Exception | Condition |
|---|---|
| ArgumentNullException | name or ns is Nothing. |
| ArgumentException | There is more than one header that has the specified name and ns. |
If you need to find all the address headers in the collection with the specified name and namespace, use the FindAll(String, String) method instead.
ArgumentException is not the ideal exception type when there is more than one header in the collection. Callers of this method should take care to handle this exception when the collection contains multiple entries with the same name and namespace.