(整)vb窗体中控件自动随窗体变化大小

‘我测试时用到SSTab 控件,会有bug

Option Explicit
Private FormOldWidth As Long
‘保存窗体的原始宽度
Private FormOldHeight As Long
‘保存窗体的原始高度

‘在调用ResizeForm前先调用本函数
Public 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

‘按比例改变表单内各元件的大小,在调用ReSizeForm前先调用ReSizeInit函数
Public 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
    ‘保存窗体宽度缩放比例
    ScaleY = FormName.ScaleHeight / FormOldHeight
    ‘保存窗体高度缩放比例
    On Error Resume Next
    For Each Obj In FormName
    StartPos = 1
    For i = 0 To 4
        ‘读取控件的原始位置与大小
        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
        Obj.Move Pos(0) * ScaleX, Pos(1) * ScaleY, Pos(2) * ScaleX, Pos(3) * ScaleY
    Next i
    Next Obj
    On Error GoTo 0
End Sub

‘开发软件时候,把这个modal装入程序中.然后加入如下代码:
Private Sub Form_Load()
Call ResizeInit(Me) ‘在程序装入时必须加入
End Sub

Private Sub Form_Resize()
Call ResizeForm(Me) ‘确保窗体改变时控件随之改变
End Sub

相关日志

Leave a Reply