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(I) = frm.Controls(I).X2
Else
nTop(I) = frm.Controls(I).Top
nLeft(I) = frm.Controls(I).Left
nHeight(I) = frm.Controls(I).Height
nWidth(I) = frm.Controls(I).Width
nFontSize(I) = frm.FontSize
nRightMargin(I) = frm.Controls(I).RightMargin
End If
Next
If bWinMax Or frm.WindowState = 2 Then
frm.Height = Screen.Height
frm.Width = Screen.Width
Else
frm.Height = frm.Height * Screen.Height / 7290
frm.Width = frm.Width * Screen.Width / 9690
End If
bFirstTime = True
End Sub
Sub FormResize(frm As Form)
Dim I As Integer
Dim nCaptionSize As Integer
Dim dRatioX As Double
Dim dRatioY As Double
Dim nSaveRedraw As Long
On Error Resume Next
nSaveRedraw = frm.AutoRedraw
frm.AutoRedraw = True
If bFirstTime Then
bFirstTime = False
Exit Sub
End If
If frm.Height < nFormHeight / 2 Then
frm.Height = nFormHeight / 2
Endif
If frm.Width < nFormWidth / 2 Then
frm.Width = nFormWidth / 2
Endif
nCaptionSize = 400
dRatioY = 1# * (nFormHeight - nCaptionSize) _
/ (frm.Height - nCaptionSize)
dRatioX = 1# * nFormWidth / frm.Width
On Error Resume Next
For I = 0 To nNumOfControls
If TypeOf frm.Controls(I) Is Line Then
frm.Controls(I).Y1 = Int(nTop(I) / dRatioY)
frm.Controls(I).X1 = Int(nLeft(I) / dRatioX)
frm.Controls(I).Y2 = Int(nHeight(I) / dRatioY)
frm.Controls(I).X2 = Int(nWidth(I) / dRatioX)
Else
frm.Controls(I).Top = Int(nTop(I) / dRatioY)
frm.Controls(I).Left = Int(nLeft(I) / dRatioX)
frm.Controls(I).Height = Int(nHeight(I) / dRatioY)
frm.Controls(I).Width = Int(nWidth(I) / dRatioX)
frm.Controls(I).FontSize = Int(nFontSize(I) / _
dRatioX) + Int(nFontSize(I) / dRatioX) Mod 2
frm.Controls(I).RightMargin = Int(nRightMargin(I) / dRatioY)
End If
Next
frm.AutoRedraw = nSaveRedraw
End Sub