VB:所有控件自適應窗口大小 .

ID:127229 · 發(fā)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(shù)
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(shù)
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(jù)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(fā)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