兰花打印控件,打印报表时一般都会用到,兰花打印控件（预览及打印输出，它支持多列，文本自动换行，页头和页尾，表格及段落）。适合初学者-Orchid Print Controls, print statements normally used, Orchid Print Control (preview and print output, it supports multi-out, text auto line, the first page and page 30, paragraphs and

界面控件应用，含文本框输入等常用控件，计算输出公式运算结果(Interface control applications, including text box input and other common controls, calculated output publicity results)