这是我在VBA应用程序中使用的一个类模块。我不使用CommonDialog控件Option Explicit
'//The Win32 API Functions///
Private Declare Function GetSaveFileName Lib _
"comdlg32.dll" Alias "GetSaveFileNameA" _
(pOpenfilename As OPENFILENAME) As Long
Private Declare Function GetOpenFileName Lib _
"comdlg32.dll" Alias "GetOpenFileNameA" _
(pOpenfilename As OPENFILENAME) As Long
Private Declare Function FindWindow Lib "user32" _
Alias "FindWindowA" (ByVal lpClassName As String, _
ByVal lpWindowName As String) As Long
'//A few of the available Flags///
Private Const OFN_FILEMUSTEXIST = &H1000
Private Const OFN_HIDEREADONLY = &H4
Private Const OFN_ALLOWMULTISELECT = &H200
'This one keeps your dialog from turning into
'A browse by folder dialog if multiselect is true!
'Not sure what I mean? Remove it from the flags
'In the "Show Open" & "Show Save" methods.
Private Const OFN_EXPLORER As Long = &H80000
'//The Structure
Private Type OPENFILENAME
lStructSize As Long
hwndOwner As Long
hInstance As Long
lpstrFilter As String
lpstrCustomFilter As String
nMaxCustFilter As Long
nFilterIndex As Long
lpstrFile As String
nMaxFile As Long
lpstrFileTitle As String
nMaxFileTitle As Long
lpstrInitialDir As String
lpstrTitle As String
flags As Long
nFileOffset As Integer
nFileExtension As Integer
lpstrDefExt As String
lCustData As Long
lpfnHook As Long
lpTemplateName As String
End Type
Private lngHwnd As Long
Private strFilter As String
Private strTitle As String
Private strDir As String
Private blnHideReadOnly As Boolean
Private blnAllowMulti As Boolean
Private blnMustExist As Boolean
Public Property Let OwnerHwnd(WindowHandle As Long)
'//FOR YOU TODO//
'Use the API to validate this handle
lngHwnd = WindowHandle
'This value is set at startup to the handle of the
'AutoCAD Application window, if you want the owner
'to be a user form you will need to obtain its
'Handle by using the "FindUserForm" function in
'This class.
End Property
Public Property Get OwnerHwnd() As Long
OwnerHwnd = lngHwnd
End Property
Public Property Let Title(Caption As String)
'don't allow null strings
If Not Caption = vbNullString Then
strTitle = Caption
End If
End Property
Public Property Get Title() As String
Title = strTitle
End Property
Public Property Let Filter(ByVal FilterString As String)
'Filters change the type of files that are
'displayed in the dialog. I have designed this
'validation to use the same filter format the
'Common dialog OCX uses:
'"All Files (*.*)|*.*"
Dim intPos As Integer
Do While InStr(FilterString, "|") > 0
intPos = InStr(FilterString, "|")
If intPos > 0 Then
FilterString = Left$(FilterString, intPos - 1) _
& Chr$(0) & Right$(FilterString, _
Len(FilterString) - intPos)
End If
Loop
If Right$(FilterString, 2) Chr$(0) & Chr$(0) Then
FilterString = FilterString & Chr$(0)
End If
strFilter = FilterString
End Property
Public Property Get Filter() As String
'Here we reverse the process and return
'the Filter in the same format the it was
'entered
Dim intPos As Integer
Dim strTemp As String
strTemp = strFilter
Do While InStr(strTemp, Chr$(0)) > 0
intPos = InStr(strTemp, Chr$(0))
If intPos > 0 Then
strTemp = Left$(strTemp, intPos - 1) _
& "|" & Right$(strTemp, _
Len(strTemp) - intPos)
End If
Loop
If Right$(strTemp, 1) = "|" Then
strTemp = Left$(strTemp, Len(strTemp) - 1)
End If
Filter = strTemp
End Property
Public Property Let InitialDir(strFolder As String)
'Sets the directory the dialog displays when called
If Len(Dir(strFolder)) > 0 Then
strDir = strFolder
置顶卡