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;
}