常见问题：自动调整窗口内控间的大小[1]

这是一个类模块：
1. 建立一个新的类模块，加入下列代码，并给类模块起名（例：autosize）
2. 加入一个窗口并且加入：private el as new autosize
3. 在 form_load 事件中加入 el.init me
4. 在 form_resize 事件中加入 el.formresize me

option explicit
private nformheight      as integer
private nformwidth       as integer
private nnumofcontrols   as integer
private ntop()           as integer
private nleft()          as integer
private nheight()        as integer
private nwidth()         as integer
private nfontsize()      as integer
private nrightmargin()   as integer
private bfirsttime       as boolean

sub init(frm as form, optional nwindstate as variant)
   dim i          as integer
   dim bwinmax    as boolean

   bwinmax = not ismissing(nwindstate)

   nformheight = frm.height
   nformwidth = frm.width
   nnumofcontrols = frm.controls.count - 1
   bfirsttime = true
   redim ntop(nnumofcontrols)
   redim nleft(nnumofcontrols)
   redim nheight(nnumofcontrols)
   redim nwidth(nnumofcontrols)
   redim nfontsize(nnumofcontrols)

   redim nrightmargin(nnumofcontrols)
   on error resume next
   for i = 0 to nnumofcontrols
      if typeof frm.controls(i) is line then
         ntop(i) = frm.controls(i).y1
         nleft(i) = frm.controls(i).x1
         nheight(i) = frm.controls(i).y2
         nwidth