private void ShowFormSubLPU(Organization organization)
        {
            bool result = false;

            if (organization is LPU)
            {
                FormAddLPU formAddLPU = new FormAddLPU(organization as LPU);
                result = (formAddLPU.ShowDialog() == System.Windows.Forms.DialogResult.OK);
            }
            else
            {
                FormAddOrganization formAddOrganization = new FormAddOrganization(organization);
                result = (formAddOrganization.ShowDialog() == System.Windows.Forms.DialogResult.OK);
            }

            if (result)
            {
                LoadTree();
            }
        }
        private void ShowFormSubLPU(Organization organization)
        {
            bool result = false;

            if (organization is LPU)
            {
                FormAddLPU formAddLPU = new FormAddLPU(organization as LPU);
                result = (formAddLPU.ShowDialog() == System.Windows.Forms.DialogResult.OK);
            }
            else
            {
                FormAddOrganization formAddOrganization = new FormAddOrganization(organization);
                result = (formAddOrganization.ShowDialog() == System.Windows.Forms.DialogResult.OK);
            }

            if (result)
                LoadTree();
        }