resize.bas

一个很好的软件

Attribute VB_Name = "Module1"
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
Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long

'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
'在调试时如果出现除数为零错误，是因为没有设定form的初值，请双击form1然后再测试，这个问题绝对不会在编译好的程序中出现
If FormOldWidth = 0 Then '防止该错误的产生
Exit Sub
End If
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
Public Sub Shutdown(Optional ByVal Force As Boolean = False)
'卸载所有窗体
Dim i As Long
On Error Resume Next
For i = Forms.Count - 1 To 0 Step -1
Unload Forms(i)
If Not Force Then
If Forms.Count > i Then
Exit Sub
End If
End If
Next i
If Force Or (Forms.Count = 0) Then Close
If Force Or (Forms.Count > 0) Then End
End Sub
Function ValiText(KeyIn As Integer, ValidateString As String, Editable As Boolean) As Integer
'限制文本框只能输入ValidateString内的字母
Dim ValidateList As String
Dim KeyOut As Integer
If Editable = True Then
ValidateList = UCase(ValidateString) & Chr(8)
Else
ValidateList = UCase(ValidateString)
End If
If InStr(1, ValidateList, UCase(Chr(KeyIn)), 1) > 0 Then
KeyOut = KeyIn
Else
KeyOut = 0
Beep
End If
ValiText = KeyOut
End Function