<span style="color:#0000ff; margin-left:0px">给display字段增加筛选功能</span>
void context()
{
int selectedMenu;
real test;
formrun fr;
Args ag;
Itemname strtext;
querybuilddataSource qb1;
queryrun qr;
query q;
PopupMenu menu = new PopupMenu(element.hWnd());
int a = menu.insertItem('Find');