Displaying Information/Error/Warning Message in MC

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Drawing;

using System.Data;

using System.Text;

using System.Linq;

using System.Threading.Tasks;

using System.Windows.Forms;

using DevExpress.XtraEditors;

using CXS.Retail.UIComponents;

using CXS.Retail.ManagementUIComponents;

using CXS.Platform.Data;

using CXS.Retail.Extensibility;

using CXS.Retail.BusinessLogic;

using CXS.SubSystem.Customer;

using CXS.Platform.UIComponents;

using CXS.Platform.Core;

namespace CustomScreenSampleForMC

{

    public partial class SampleAddEditView : BaseConsoleCustomView

    {

        private void CustomLookupClickHandler(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)

        {

            try

            {

                if (e.Button.Index == 0)

                {

                    SampleSearchView view = new SampleSearchView();

                    view.ViewOpenedFromOtherScreen = true;

                    view.OnEvent += new SampleSearchView.EventHandler(CustomSearchViewEventHandler);

                    ConsoleViewManager.Instance.Push(view);

                }

                else

                {

                    m_VerticalGridAddEditScreen.SetCellValue(m_VerticalGridAddEditScreen.Rows.GetRowByFieldName("U_CustomLookup"), m_VerticalGridAddEditScreen.FocusedRecord, "");

                    m_VerticalGridAddEditScreen.Refresh();

                    m_VerticalGridAddEditScreen.CloseEditor();

                }

            }

            catch (Exception ex)

            {

                ShowError(Common.GetString("SampleAddEditView", "ErrorEncountered")); 

                //ShowInformation(Common.GetString("SampleAddEditView", "InformationMessage"));

                //ShowWarning(Common.GetString("SampleAddEditView", "WarningMessage"));

            }

            finally

            {

                CloseWaitForm();

                Cursor = UIHelper.Instance.DefaultCursor;

            }

        }

        void CustomSearchViewEventHandler(object sender, SampleSearchView.EventArgs args)

        {

            SampleSearchView view = sender as SampleSearchView;

            if (args.EventType == SampleSearchView.EventType.Ok)

            {

                m_VerticalGridAddEditScreen.SetCellValue(m_VerticalGridAddEditScreen.Rows.GetRowByFieldName("U_CustomLookup"), m_VerticalGridAddEditScreen.FocusedRecord, args.SelectedString.ToString());

                m_VerticalGridAddEditScreen.Refresh();

            }

            view.OnEvent -= new SampleSearchView.EventHandler(CustomSearchViewEventHandler);

            ConsoleViewManager.Instance.Pop();

        }

    }

}

Displaying Information/Error/Warning Message in POS.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using CXS.Retail.Extensibility.Modules.Transaction;

using CXS.Retail.Extensibility;

using CXS.Retail.ManagementUIComponents;

using CXS.Platform.UIComponents;

using DevExpress.XtraEditors;

using System.Windows.Forms;

using CXS.Framework.Core;

using CXS.Retail.UIComponents;

using CXS.Retail.ViewModel.Message;

using CXSRetailPOS;

namespace POSEventsSampleAddon

{

class Transaction : TransactionEntryModuleBase

{

    TransactionEntryView t;

   public override void OnBeforeCustomerSearch(object sender, EventArgs<CXS.SubSystem.Transaction.Transaction> args)

    {

        MessageBox.Show("On before customer search - TransactionEntry");

        //Testing Exception handling using args

        args.Message = "Validation error";

        args.Cancel = true;

       //Values can be MessageType.Information, MessageType.Warning and MessageType.None

        args.MessageType = MessageType.Error;

    }

}

}