ResizingClass

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
Public 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 ' maxim
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

Public 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
If frm.Width < nFormWidth / 2 Then frm.Width = nFormWidth / 2
nCaptionSize = 400
dRatioY = 1# * (nFormHeight - nCaptionSize) / (frm.Height - nCaptionSize)
dRatioX = 1# * nFormWidth / frm.Width
On Error Resume Next ' for comboboxes, timeres and other nonsizible controls
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)
If Not (TypeOf frm.Controls(i) Is Image) Then
frm.Controls(i).Height = Int(nHeight(i) / dRatioY)
frm.Controls(i).Width = Int(nWidth(i) / dRatioX)
End If
' 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