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ICredentials Interface

Provides the base authentication interface for retrieving credentials for Web client authentication.

Namespace:  System.Net
Assembly:  System (in System.dll)

public interface ICredentials

The ICredentials type exposes the following members.

  NameDescription
Public methodSupported by the XNA FrameworkSupported by Portable Class LibraryGetCredentialReturns a NetworkCredential object that is associated with the specified URI, and authentication type.
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The ICredentials interface provides the GetCredential method to objects that supply network credentials to applications.

The following example illustrates how to use the ICredentials interface.


	class CredentialList : ICredentials
	{
		class CredentialInfo
		{
			public Uri uriObj;
			public String authenticationType;
			public NetworkCredential networkCredentialObj;

			public CredentialInfo(Uri uriObj, String authenticationType, NetworkCredential networkCredentialObj)
			{
				this.uriObj = uriObj;
				this.authenticationType = authenticationType;
				this.networkCredentialObj = networkCredentialObj;
			}
		}

		private ArrayList arrayListObj;

		public CredentialList()
		{
			arrayListObj = new ArrayList();
		}

		public void Add (Uri uriObj, String authenticationType, NetworkCredential credential)
		{
			// Add a 'CredentialInfo' object into a list.
			arrayListObj.Add (new CredentialInfo(uriObj, authenticationType, credential));      
		}
		// Remove the 'CredentialInfo' object from the list that matches to the given 'Uri' and 'AuthenticationType'
		public void Remove (Uri uriObj, String authenticationType)
		{
			for(int index=0;index < arrayListObj.Count; index++)
			{
				CredentialInfo credentialInfo = (CredentialInfo)arrayListObj[index];
				if(uriObj.Equals(credentialInfo.uriObj)&& authenticationType.Equals(credentialInfo.authenticationType))
					arrayListObj.RemoveAt(index);
			}
		}
		public NetworkCredential GetCredential (Uri uriObj, String authenticationType)
		{
			for(int index=0;index < arrayListObj.Count; index++)
			{
				CredentialInfo credentialInfoObj = (CredentialInfo)arrayListObj[index];
				if(uriObj.Equals(credentialInfoObj.uriObj) && authenticationType.Equals(credentialInfoObj.authenticationType))
					return credentialInfoObj.networkCredentialObj;
			}
			return null;
		}
	};


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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