add reference library InteractionDefault.dll.
use this code below :
using Microsoft.Dynamics.Retail.Pos.Interaction ManagerAccessForm formManager = new ManagerAccessForm(); var cekDialog = formManager.ShowDialog(); if (cekDialog == DialogResult.OK) { // your logic }
and dont forget to set ManagerAccessForm() to public on InteractionDefault project.
public ManagerAccessForm() { InitializeComponent(); }