递归遍历Form中的所有控件
void printControls(Object o,str name)
{
FormBuildControl formBuildControl;
int i;
;
setprefix( "Group :" + name );
for (i=1;i<=o.controlCount(); i++)
{
formBuildControl = o.controlNum(i);
name = element.control(formBuildControl.id()).name();
info( int2str(formBuildControl.id()) + ' ' + name );
if (formBuildControl.isContainer())
this.printControls(formBuildControl,name);
}
}