System.Security.SecurityElement.AddAttribute C# (CSharp) Method

        public void AddAttribute(string name, string value)
        {
            if (name == null)
                throw new ArgumentNullException(nameof(name));

            if (value == null)
                throw new ArgumentNullException(nameof(value));

            if (!IsValidAttributeName(name))
                throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, SR.Argument_InvalidElementName, name));

            if (!IsValidAttributeValue(value))
                throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, SR.Argument_InvalidElementValue, value));

            AddAttributeSafe(name, value);
        }

		// snippet moved from FileIOPermission (nickd) to be reused in all derived classes
		internal static SecurityElement Element (Type type, int version) 
		{
			SecurityElement se = new SecurityElement ("IPermission");
			se.AddAttribute ("class", type.FullName + ", " + type.Assembly.ToString ().Replace ('\"', '\''));
			se.AddAttribute ("version", version.ToString ());
			return se;
		}