public FrmCompanyEdit(ICompanyService companyService, FrmActivityEdit frmActivityEdit, FrmActivityAdd frmActivityAdd, IActivityService activityService) { this.frmActivityEdit = frmActivityEdit; this.frmActivityAdd = frmActivityAdd; this.activityService = activityService; this.companyService = companyService; InitializeComponent(); frmActivityAdd.MdiParent = this.MdiParent; frmActivityAdd.MasterForm = this; frmActivityEdit.MdiParent = this.MdiParent; frmActivityEdit.MasterForm = this; }