VB6代码自动窗体大小

1Option Explicit
2Private FormOldWidth As Long '保存窗体的原始宽度
3Private FormOldHeight As Long '保存窗体的原始高度
4'在调用ResizeForm前先调用本函数 QQ:3925993 ‘转载注明出处,红防安全网

 1Public Sub ResizeInit(FormName As Form)
 2    Dim Obj As Control
 3    FormOldWidth = FormName.ScaleWidth
 4    FormOldHeight = FormName.ScaleHeight
 5    On Error Resume Next
 6    For Each Obj In FormName
 7    Obj.Tag = Obj.Left & " " & Obj.Top & " " & Obj.Width & _
 8    " " & Obj.Height & " "
 9    Next Obj
10    On Error GoTo 0
11End Sub

 1Public Sub ResizeForm(FormName As Form)
 2    Dim Pos(4) As Double  '按比例改变表单内各元件的大小，在调用ReSizeForm前先调用ReSizeInit函数
 3    Dim i As Long, TempPos As Long, StartPos As Long
 4    Dim Obj As Control
 5    Dim ScaleX As Double, ScaleY As Double
 6    
 7    ScaleX = FormName.ScaleWidth / FormOldWidth
 8    '保存窗体宽度缩放比例
 9    ScaleY = FormName.ScaleHeight / FormOldHeight
10    '保存窗体高度缩放比例
11    On Error Resume Next
12    For Each Obj In FormName
13    StartPos = 1
14    For i = 0 To 4
15    '读取控件的原始位置与大小
16    TempPos = InStr(StartPos, Obj.Tag, " ", vbTextCompare)
17    If TempPos > 0 Then
18    Pos(i) = Mid(Obj.Tag, StartPos, TempPos - StartPos)
19    StartPos = TempPos + 1
20    Else
21    Pos(i) = 0
22    End If
23    '根据控件的原始位置及窗体改变大小的比例对控件重新定位与改变大小
24    Obj.Move Pos(0) * ScaleX, Pos(1) * ScaleY, _
25    Pos(2) * ScaleX, Pos(3) * ScaleY
26    Next i
27    Next Obj
28    On Error GoTo 0
29End Sub

1Private Sub Form_Load()
2    Call ResizeInit(Me) '在程序装入时必须加入
3End Sub
4 
5Private Sub Form_Resize()
6    Call ResizeForm(Me)
7 '确保窗体改变时控件随之改变
8End Sub