关于下拉框控件可以说相对于我们前面所讲过的要难的很多,而针对于列表框及表格方面又是简单的很多,在我这里先给大家讲一下下拉框的应用,因为针对于列表和表格来说,下拉框也算是一个最基础的控件了,所以,我们熟悉掌握了下拉框后,那么列表及表格大学学习起来也容易一些。
注意知识中的基础内容:
下拉框的选项序列是从0开始的
选项是数值型的,也就是我说的索引或者说是序号
可以把下拉框看成是数组的一种表现形式
下拉框命令:
下拉框获取选项:当前显示的选项号
下拉框设置选项:要显示的选项号
下拉框获取选项文本:相当于取数组成员
下拉框获取选项个数:相当于取数组的下标或数组的大小
下拉框增加文本:相当于数组增加成员
下拉框删除选项文本:...
下拉框选项清空:...
下拉框获取文件:...
多级互动文本:
一级区:
电信大区
网通大区
双线大区
二级区:
"东部电信","南部电信","中西部电信","西南电信一区"
"华北网通一区","东北网通一区","网通专区","华北网通二区","移动宽带","网通全国一区"
"超载双线","唯美双线","老友专区"
3J区
电信区:
"九阴真经","玉女心经","雁翎**","北冥神功","大力金刚指"
"万宗山","九阴真经","凌波微步"
"黑血神针","六脉","神剑","齐天大棍"
"罗汉果","天龙","八部","大圣归来","成龙"
网通区:
"不并发","少林寺"
"二锅头","嘉实通","畅通网络","申通","吉通","全不通"
"清风楼","楼几多","给不了","也不行","哈哈"
"在北京","云云动漫","教学","教程","挖掘机哪家好"
"中央电视台1","中央电视台2","中央电视台3","中央电视台4","中央电视5","中央电视台6"
双线大区:
"美国","中国",""
"朝鲜","超车","不超车","超不超车"
"天津","上海","大连","河南","河北","TW","香河山"