DevExpress.OutlookInspiredApp.Win.ViewModel.MainViewModel.BuyNow C# (CSharp) Method

        public void BuyNow() {
            AppHelper.ProcessStart(AssemblyInfo.DXLinkBuyNow);
        }
        [Command]

 void BindCommands(MainViewModel viewModel) {
     biGetStarted.BindCommand(() => viewModel.GetStarted(), viewModel);
     biGetSupport.BindCommand(() => viewModel.GetSupport(), viewModel);
     biBuyNow.BindCommand(() => viewModel.BuyNow(), viewModel);
     biAbout.BindCommand(() => viewModel.About(), viewModel);
 }