Check CorelDRAW assembly version for .NET macro?

  public partial class DockerUI : UserControl
    {
        private Corel.Interop.VGCore.Application corelApp;
        public DockerUI(dynamic app) //use reflection for support any corel version
        {
            InitializeComponent();
            if (!versionOk(app.Version))
            {
                //Show a friendly message
                return;
            }
            this.corelApp = app as Corel.Interop.VGCore.Application;//cast for correct type, reflection will showdown your app 
            
        }
        protected bool versionOk(string version)
        {
            //Make your check
            return false;
        }
     }