powerbuilder9.0老外写的漂亮界面,一个很牛的界面-Written by foreigners beautiful interface

修改了传统带checkbox的dtree中选中复选框时的操作，大大提升了全选，选父节点时子节点全部选中 等的速度-Altered the traditional with a checkbox to select the check box when dtree operation, greatly enhance the entire election, the election all the child nodes when parent node is selected and so t