autocad vba對齊物件，**如下。
sub alignent()**完。dim ss as acadselectionset
set ss = createselectionset
ss.selectonscreen
dim ent as acadentity
dim minpoint as variant
dim maxpoint as variant
if ss.count > 0 then
dim alignmode as string
on error resume next
thisdrawing.utility.initializeuserinput 0, "left middle right"
alignmode = thisdrawing.utility.getkeyword("選擇對齊方式[左對齊(l)/對中(m)/右對齊(r)]《左對齊》：")
if err then alignmode = "left"
if alignmode = "" then alignmode = "left"
dim alignpoint as variant
dim movepoint(2) as double
alignpoint = thisdrawing.utility.getpoint(, "請選擇對起點：")
for each ent in ss
ent.getboundingbox minpoint, maxpoint
select case alignmode
case "left"
movepoint(0) = minpoint(0)
movepoint(1) = alignpoint(2)
movepoint(2) = minpoint(2)
case "middle"
movepoint(0) = (minpoint(0) + maxpoint(0)) / 2
movepoint(1) = alignpoint(1)
movepoint(2) = minpoint(2)
case "right"
movepoint(0) = maxpoint(0)
movepoint(1) = alignpoint(1)
movepoint(2) = maxpoint(2)
end select
ent.move movepoint, alignpoint
update
next
else
thisdrawing.utility.prompt vbcr & "未選定物件，自動退出……"
end if
end sub
public function createselectionset(optional ssname as string = "ss") as acadselectionset
dim ss as acadselectionset
on error resume next
set ss = thisdrawing.selectionsets(ssname)
if err then set ss = thisdrawing.selectionsets.add(ssname)
ss.clear
set creatselectionset = ss
end function
執行時提示「物件變數或with塊變數未設定」。
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