Forms print preview controls, support for DAO and ADO, supported a merger of uni...

代码说明：

表格打印预览控件，支持DAO和ADO，支持合并单元，以及小数点位数、字体、对齐等,分页时表头自动打印。 这个是圆形进度条的实例！-Forms print preview controls, support for DAO and ADO, supported a merger of units, as well as the number of decimal places, fonts, alignment and so on, page headers automatically when you print. This is an instance of circular progress bar!