private void AddMachine_Click(object sender, EventArgs e)
        {
            FormAddEdit formAddEdit = new FormAddEdit();

            formAddEdit.FormClosed += FormAddEdit_FormClosed;
            formAddEdit.Show();
        }
        private void btnAddEdit_Click(object sender, EventArgs e)
        {
            FormAddEdit formAddEdit = new FormAddEdit();

            formAddEdit.Show();
        }