刪除CheckBoxList未選中或選中的CheckBox選項

CheckBoxList
            private void btnDelSel_Click(object sender, System.EventArgs e)
            {
                //刪除未選中
                int iCount = listXML.Items.Count;
                while(iCount > listXML.CheckedItems.Count)
                {
                    for(int i=0;i<listXML.Items.Count;i++)
                    {
                        if(listXML.GetItemChecked(i) == false)
                        {
                            //刪除相應的節點
                            DeleteXMLMod(listXML.Items[i].ToString());
                            listXML.Items.Remove(listXML.Items[i]);
                            iCount--;
                            break;
                        }
                    }
                }
                //刪除選中
                //            while(listXML.CheckedItems.Count>0) 
                //            {
                //                listXML.Items.Remove(listXML.CheckedItems[listXML.CheckedItems.Count-1]);
                //            }
            }