VAGSuite.frmMain.btnLookupPartnumber_ItemClick C# (CSharp) Метод

        private void btnLookupPartnumber_ItemClick(object sender, ItemClickEventArgs e)
        {
            frmPartnumberLookup lookup = new frmPartnumberLookup();
            lookup.ShowDialog();
            if (lookup.Open_File)
            {
                string filename = lookup.GetFileToOpen();
                if (filename != string.Empty)
                {
                    CloseProject();
                    m_appSettings.Lastprojectname = "";
                    OpenFile(filename, true);
                    m_appSettings.LastOpenedType = 0;

                }
            }
            else if (lookup.Compare_File)
            {
                string filename = lookup.GetFileToOpen();
                if (filename != string.Empty)
                {

                    CompareToFile(filename);
                }
            }
            else if (lookup.CreateNewFile)
            {
                string filename = lookup.GetFileToOpen();
                if (filename != string.Empty)
                {
                    CloseProject();
                    m_appSettings.Lastprojectname = "";
                    File.Copy(filename, lookup.FileNameToSave);
                    OpenFile(lookup.FileNameToSave, true);
                    m_appSettings.LastOpenedType = 0;

                }
            }
        }