private void btnNextPage_Click(object sender, EventArgs e) { FormProvoider.SetCurTabPage(ItemID, FormProvoider.GetCurTabPage(ItemID) + 1); StringBuilder pageText = new StringBuilder(256); FormProvoider.GetTabPageText(ItemID, FormProvoider.GetCurTabPage(ItemID), pageText, pageText.Capacity); this.txtCurTabPage.Text = pageText.ToString(); }