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ICredentials.GetCredential Method

Returns a NetworkCredential object that is associated with the specified URI, and authentication type.

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

function GetCredential(
	uri : Uri, 
	authType : String
) : NetworkCredential


Type: System.Uri

The Uri that the client is providing authentication for.

Type: System.String

The type of authentication, as defined in the IAuthenticationModule.AuthenticationType property.

Return Value

Type: System.Net.NetworkCredential
The NetworkCredential that is associated with the specified URI and authentication type, or, if no credentials are available, a null reference (Nothing in Visual Basic).

The GetCredential method returns a NetworkCredential instance that contains the credentials that are associated with the specified URI and authorization scheme. When no credentials are available, the GetCredential method returns a null reference (Nothing in Visual Basic).

The following uses GetCredential to retrieve a NetworkCredential instance.

No code example is currently available or this language may not be supported.
__gc class CredentialList : public ICredentials {
   __gc class CredentialInfo {
      Uri* uriObj;
      String* authenticationType;
      NetworkCredential* networkCredentialObj;

      CredentialInfo(Uri* uriObj, String* authenticationType, NetworkCredential* networkCredentialObj) {
         this->uriObj = uriObj;
         this->authenticationType = authenticationType;
         this->networkCredentialObj = networkCredentialObj;

   ArrayList*  arrayListObj;

   CredentialList() {
      arrayListObj = new ArrayList();

   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'
   void Remove (Uri* uriObj, String* authenticationType) {
      for (int index=0;index < arrayListObj->Count; index++) {
         CredentialInfo* credentialInfo = dynamic_cast<CredentialInfo*>(arrayListObj->Item[index]);
         if (uriObj->Equals(credentialInfo->uriObj)&& authenticationType->Equals(credentialInfo->authenticationType))

   NetworkCredential * GetCredential (Uri* uriObj, String* authenticationType) {
      for (int index=0;index < arrayListObj->Count; index++) {
         CredentialInfo* credentialInfoObj = dynamic_cast<CredentialInfo*>(arrayListObj->Item[index]);
         if (uriObj->Equals(credentialInfoObj->uriObj) && authenticationType->Equals(credentialInfoObj->authenticationType))
            return credentialInfoObj->networkCredentialObj;
      return 0;

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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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.

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0