把所有的文字改成大写，添加了一个文字过滤。

[c#]代码库

            try
            {
                TextElement text = null;

                // filtrate the TextElment from the element set
                ElementClassFilter gridFilter = new ElementClassFilter(typeof(TextElement));
                FilteredElementCollector collector = new FilteredElementCollector(m_doc);
                collector.WherePasses(gridFilter);
                IList<Element> arrayText = collector.ToElements();

                // matching and capitalizing
                int capitalizednum = 0;
                foreach (Element ee in arrayText)
                {
                    text = ee as TextElement;
                    text.Text = text.Text.ToUpper();
                    capitalizednum++;

                }

                // Show the number of notes modified.
                MessageBox.Show("Revit has completed its search and has made " + capitalizednum + " modifications.","CapitalizeText");
            }
            catch (Exception ee)
            {
                MessageBox.Show(ee.Message);
            }
        }