Creates a new credential with the name supplied as argument. If you call this method, you must also add properties to it using AddCredentialProperty(), and finally close the credential by calling EndCredential().
BeginCredential(in bstrCredentialName:String) -> Void
void BeginCredential(string bstrCredentialName)
HRESULT BeginCredential([in] BSTR bstrCredentialName);
Sub BeginCredential(ByVal bstrCredentialName As String)
Specifies the name of the credential as it was defined in MapForce.