VB:所有控件自適應窗口大小 .

ID:127229 · 發表于 2016-6-19 16:29

Option Explicit

Private FormOldWidth As Long
'保存窗體的原始寬度
Private FormOldHeight As Long

'保存窗體的原始高度
'在調用ResizeForm前先調用本函數
Private Sub ResizeInit(FormName As Form)
Dim Obj As Control

FormOldWidth = FormName.ScaleWidth
FormOldHeight = FormName.ScaleHeight

On Error Resume Next

For Each Obj In FormName
      Obj.Tag = Obj.Left & " " & Obj.Top & " " & Obj.Width & " " & Obj.Height & " "
Next Obj

On Error GoTo 0

End Sub

'按比例改變表單內各元件的大小，在調用ReSizeForm前先調用ReSizeInit函數
Private Sub ResizeForm(FormName As Form)
Dim Pos(4) As Double
Dim i As Long, TempPos As Long, StartPos As Long
Dim Obj As Control
Dim ScaleX As Double, ScaleY As Double

ScaleX = FormName.ScaleWidth / FormOldWidth
'保存窗體寬度縮放比例
ScaleY = FormName.ScaleHeight / FormOldHeight
'保存窗體高度縮放比例

On Error Resume Next

For Each Obj In FormName
      StartPos = 1

      For i = 0 To 4
         '讀取控件的原始位置與大小
         TempPos = InStr(StartPos, Obj.Tag, " ", vbTextCompare)
         If TempPos > 0 Then
            Pos(i) = Mid(Obj.Tag, StartPos, TempPos - StartPos)
            StartPos = TempPos + 1
         Else
            Pos(i) = 0
         End If

         '根據控件的原始位置及窗體改變大小的比例對控件重新定位與改變大小
         Obj.Move Pos(0) * ScaleX, Pos(1) * ScaleY, Pos(2) * ScaleX, Pos(3) * ScaleY
      Next i

Next Obj

On Error GoTo 0

End Sub

'開發軟件時候,把這個modal裝入程序中.然后加入如下代碼:
Private Sub Form_Load()
Call ResizeInit(Me) '在程序裝入時必須加入
End Sub

Private Sub Form_Resize()
Call ResizeForm(Me) '確保窗體改變時控件隨之改變
End Sub