RT,谢谢大家!
------解决思路----------------------
treeviewitem ltvi
if tv_1.getitem(al_handle, ltvi) > 0 then
return ltvi.statepictureIndex = 2 //2为checked, 1为unchecked
end if
treeviewitem ltvi
if tv_1.getitem(al_handle, ltvi) > 0 then
return ltvi.statepictureIndex = 2 //2为checked, 1为unchecked
end if