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ÓÐÁ½¸öÁбí¿òlist1¡¢ list2 ¡£list1Öгõʼ»¯ÓÐ15¸ö²»Í¬µÄ×Öĸ£¬¶ølist2ÖÐÊÇ¿Õ°×µÄ »¹ÓÐÒ»¸ö°´Å¥command1,Ñ¡ÖÐlist1ÖеÄÈÎÒâ¶à¸öÏîÄ¿ È»ºóµã»÷°´Å¥command1,ÔòÔÚlist2ÖÐÏÔʾlist1Öб»Ñ¡ÖеÄÏîÄ¿¡£µ±¶à´ÎÑ¡ÖÐlist1ÖеÄͬ¸öÏîĿʱºò£¬±ÈÈçlist1ÖеÄa±»Ñ¡ÖÐÁË3´Î ÄÇôÔÚlist2ÖоÍÓÐ3¸öa.
ÎÒÏëÎÊ£ºÔõÑù±àд´úÂëʵÏÖµ±list1ÖеÄÏîÄ¿²»¹Ü±»Ñ¡ÖжàÉٴΣ¬ÔÚlist2ÖÐÏàͬµÄÖ»³öÏÖÒ»´Î£¬¼´ÔÚlist2Öв»Òª³öÏÖÖØ¸´µÄ×Öĸ¡£ÔõÑùʵÏÖÄØ£¿
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dim b as boolean
for i =0 to ubound(sDate)
  for j =1 to list2.ListCount
      if sDate(i)= list2.list(j) then b=true
  next j
  if b=false then
      list2.AddItem =sDate(i)
  else
      b=false
  end if
next i

VB code:
Private Sub Command1_Click()
Dim i As Integer, j As Integer
Dim b As Boolean

For i = 0 To List1.ListCount - 1
If List1.Selected(i) Then
b = True
For j = 0 To List2.ListCount - 1
If List1.List(i) = List2.List(j) Then
b = False
Exit For
End If
Next j
If b Then List2.AddItem (List1.List(i))


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