ShaderTools.Hlsl.Parser.DirectiveParser.IsDirectiveDefined C# (CSharp) Method

        private bool IsDirectiveDefined(string id)
        {
            var defState = _directiveStack.IsDefined(id);
            switch (defState)
            {
                case DefineState.Defined:
                    return true;
                default:
                    return false;
            }
        }
    }