Winform 弹框增加确定按钮并点击确定后进行下一步操作

    //审核完毕后调用打印
                    MessageBoxButtons messButton = MessageBoxButtons.OKCancel;
                    DialogResult dr = MsgBox.Show("是否打印此单据？","打印提示", messButton);
                    if(dr==DialogResult.OK)
                    {
                        Print(false);
                    }