通用（32位、64位） CAD VBA(6.0、7.0)实现打开、另存、选择文件夹对话框
vba可以调用windows API函数实现弹出打开文件、另存文件及选择文件夹对话框，然而低版本CAD（32位CAD，对应VBA6）写的代码到高版本CAD(64位，对应VBA7)往往运行不了，提示各种错误。
不同版本的VBA写出的DVB文件不能通用往往令人懊恼，而网上给出的解决办法也是只言片语，很难彻底解决这一难题。不要灰心，这里给出终极代码。
话不多说，先上效果图：
本人亲测，32位、64位CADVBA均可行，如有引用，请附上本文链接，注明出处，码字不易。
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代码附上：
Option Explicit
#If VBA7 Then
Private Declare PtrSafe Function ts_apiGetOpenFileName Lib "comdlg32.dll" Alias "GetOpenFileNameA" (tsFN As tsFileName) As Boolean
Private Declare PtrSafe Function ts_apiGetSaveFileName Lib "comdlg32.dll" Alias "GetSaveFileNameA" (tsFN As tsFileName) As Boolean
Private Declare PtrSafe Function CommDlgExtendedError Lib "comdlg32.dll" () As Long
Private Declare PtrSafe Function SHGetPathFromIDList Lib "shell32.dll" Alias _
"SHGetPathFromIDListA" (ByVal pidl As LongPtr, ByVal pszPath As String) As LongPtr
Private Declare PtrSafe Function SHBrowseForFolder Lib "shell32.dll" Alias _
"SHBrowseForFolderA" (lpBrowseInfo As BROWSEINFO) As LongPtr
Private Const BIF_RETURNONLYFSDIRS = &H1
Private Type BROWSEINFO
hOwner As LongPtr
pidlRoot As LongPtr
pszDisplayName As String
lpszTitle As String
ulFlags As LongPtr
lpfn As LongPtr
lParam As LongPtr
iImage As LongPtr
End Type
Private Type tsFileName
lStructSize As Long
hwndOwner As LongPtr
hInstance As LongPtr
strFilter As String
strCustomFilter As String
nMaxCustFilter As Long
nFilterIndex As Long
strFile As String
nMaxFile As Long
strFileTitle As String
nMaxFileTitle As Long
strInitialDir As String
strTitle As String
flags As Long
nFileOffset As Integer
nFileExtension As Integer
strDefExt As String
lCustData As Long
lpfnHook As LongPtr
lpTemplateName As String
End Type
' Flag Constants
Private Const tscFNAllowMultiSelect = &H200
Private Const tscFNCreatePrompt = &H2000
Private Const tscFNExplorer = &H80000
Private Const tscFNExtensionDifferent = &H400
Private Const tscFNFileMustExist = &H1000
Private Const tscFNPathMustExist = &H800
Private Const tscFNNoValidate = &H100
Private Const tscFNHelpButton = &H10
Private Const tscFNHideReadOnly = &H4
Private Const tscFNLongNames = &H200000
Private Const tscFNNoLongNames = &H40000
Private Const tscFNNoChangeDir = &H8
Private Const tscFNReadOnly = &H1
Private Const tscFNOverwritePrompt = &H2
Private Const tscFNShareAware = &H4000
Private Const tscFNNoReadOnlyReturn = &H8000
Private Const tscFNNoDereferenceLinks = &H100000
Public Function GOFN( _
Optional ByRef rlngflags As Long = 0&, _
Optional ByVal strInitialDir As String = "", _
Optional ByVal strFilter As String = "dwg文件 (*.dwg)" & vbNullChar & "*.dwg" _
& vbNullChar & "All Files (*.*)" & vbNullChar & "*.*", _
Optional ByVal lngFilterIndex As Long = 1, _
Optional ByVal strDefaultExt As String = "", _
Optional ByVal strFileName As String = "", _
Optional ByVal strDialogTitle As String = "", _
Optional ByVal fOpenFile As Boolean = True) As Variant
'On Error GoTo GOFN_Err
Dim tsFN As tsFileName
Dim strFileTitle As String
Dim fResult As Boolean
' Allocate string space for the returned strings.
strFileName = Left(strFileName & String(256, 0), 256)
strFileTitle = String(256, 0)
' Set up the data structure before you call the function
With tsFN
.lStructSize = LenB(tsFN)
'.hwndOwner = Application.hWndAccessApp
.strFilter = strFilter
.nFilterIndex = lngFilterIndex
.strFile = strFileName
.nMaxFile = Len(strFileName)
.strFileTitle = strFileTitle
.nMaxFileTitle = Len(strFileTitle)
.strTitle = strDialogTitle
.flags = rlngflags
.strDefExt = strDefaultExt
.strInitialDir = strInitialDir
.hInstance = 0
.strCustomFilter = String(255, 0)
.nMaxCustFilter = 255
.lpfnHook = 0
End With
' Call the function in the windows API
fResult = ts_apiGetOpenFileName(tsFN)
If fResult Then
rlngflags = tsFN.flags
GOFN = tsTrimNull(tsFN.strFile)
Else
GOFN = Null
MsgBox "您未选择"
End
End If
End Function
Public Function GSFN( _
Optional ByRef rlngflags As Long = 0&, _
Optional ByVal strInitialDir As String = "", _
Optional ByVal strFilter As String = "dwg文件 (*.dwg)" & vbNullChar & "*.dwg" _
& vbNullChar & "All Files (*.*)" & vbNullChar & "*.*", _
Optional ByVal lngFilterIndex As Long = 1, _
Optional ByVal strDefaultExt As String = "", _
Optional ByVal strFileName As String = "", _
Optional ByVal strDialogTitle As String = "", _
Optional ByVal fOpenFile As Boolean = False) As Variant
'On Error GoTo tsGetFileFromUser_Err
Dim tsFN As tsFileName
Dim strFileTitle As String
Dim fResult As Boolean
' Allocate string space for the returned strings.
strFileName = Left(strFileName & String(256, 0), 256)
strFileTitle = String(256, 0)
' Set up the data structure before you call the function
With tsFN
.lStructSize = LenB(tsFN)
'.hwndOwner = Application.hWndAccessApp
.strFilter = strFilter
.nFilterIndex = lngFilterIndex
.strFile = strFileName
.nMaxFile = Len(strFileName)
.strFileTitle = strFileTitle
.nMaxFileTitle = Len(strFileTitle)
.strTitle = strDialogTitle
.flags = rlngflags
.strDefExt = strDefaultExt
.strInitialDir = strInitialDir
.hInstance = 0
.strCustomFilter = String(255, 0)
.nMaxCustFilter = 255
.lpfnHook = 0
End With
fResult = ts_apiGetSaveFileName(tsFN)
If fResult Then
rlngflags = tsFN.flags
GSFN = tsTrimNull(tsFN.strFile)
Else
GSFN = Null
MsgBox "您未保存"
End
End If
End Function
' Trim Nulls from a string returned by an API call.
Private Function tsTrimNull(ByVal strItem As String) As String
On Error GoTo tsTrimNull_Err
Dim I As Integer
I = InStr(strItem, vbNullChar)
If I > 0 Then
tsTrimNull = Left(strItem, I - 1)
Else
tsTrimNull = strItem
End If
tsTrimNull_End:
On Error GoTo 0
Exit Function
tsTrimNull_Err:
Beep
MsgBox Err.Description, , "Error: " & Err.Number _
& " in function basBrowseFiles.tsTrimNull"
Resume tsTrimNull_End
End Function
Public Function GOFOLDER() As String
On Error GoTo Err_GOFOLDER
Dim x As LongPtr, bi As BROWSEINFO, dwIList As LongPtr
Dim szPath As String, wPos As Integer
With bi
'.hOwner = hWndAccessApp
.lpszTitle = "请选择文件夹"
.ulFlags = BIF_RETURNONLYFSDIRS
End With
dwIList = SHBrowseForFolder(bi)
szPath = Space$(512)
x = SHGetPathFromIDList(ByVal dwIList, ByVal szPath)
If x Then
wPos = InStr(szPath, Chr(0))
GOFOLDER = Left$(szPath, wPos - 1)
Else
GOFOLDER = ""
MsgBox "您未选择"
End
End If
Exit_GOFOLDER:
Exit Function
Err_GOFOLDER:
MsgBox Err.Number & " - " & Err.Description
Resume Exit_GOFOLDER
End Function
#Else
Declare Function GetOpenFileName Lib "comdlg32.dll" Alias "GetOpenFileNameA" (lpofn As OPENFILENAME) As Long
Declare Function GetSaveFileName Lib "comdlg32.dll" Alias "GetSaveFileNameA" (lpofn As OPENFILENAME) As Long
Declare Function SHBrowseForFolder Lib "SHELL32.DLL" (lpBrowseInfo As BROWSEINFO) As Long
Declare Function SHGetPathFromIDList Lib "SHELL32.DLL" (ByVal pidl As Long, ByVal pszPath As String) As Long
Public choice As String
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
Public Type BROWSEINFO
hOwner As Long
pidlRoot As Long
pszDisplayName As String
lpszTitle As String
ulFlags As Long
lpfn As Long
lParam As Long
iImage As Long
End Type
Function GOFOLDER(Optional message) As String
Dim bInfo As BROWSEINFO
Dim path As String
Dim r As Long, x As Long, pos As Integer
bInfo.pidlRoot = 0
bInfo.lpszTitle = ""
bInfo.ulFlags = &H1
x = SHBrowseForFolder(bInfo)
path = Space$(256)
r = SHGetPathFromIDList(ByVal x, ByVal path)
If r Then
pos = InStr(path, Chr(0))
GOFOLDER = Left(path, pos - 1)
Else
GOFOLDER = ""
MsgBox "您未选择"
End
End If
End Function
Function GOFN() As String
Dim sOFN As OPENFILENAME
With sOFN
.lStructSize = Len(sOFN)
.lpstrFilter = "dwg文件(*.dwg)" & Chr(0) & "*.dwg" & Chr(0) & "dxf文件(*.dxf)" & Chr(0) & "*.dxf" & Chr(0) & "Excel文件(*.xl*)" & Chr(0) & "*.xl*" & Chr(0) & "Word文件(*.do*)" _
& Chr(0) & "*.do*" & Chr(0) & "PPT文件(*.pp*)" & Chr(0) & "*.pp*" & Chr(0) & "所有文件(*.*)" & Chr(0) & "*.*" _
& Chr(0) & Chr(0)
.lpstrFile = Space(1024)
.nMaxFile = 1025
End With
Dim sFileName As String
If GetOpenFileName(sOFN) <> 0 Then
With sOFN
sFileName = Trim(.lpstrFile)
GOFN = Left(sFileName, Len(sFileName) - 1)
End With
Else
GOFN = ""
MsgBox "您已取消，请重新选择"
End
End If
End Function
Function GSFN() As String
Dim sSFN As OPENFILENAME
With sSFN
.lStructSize = Len(sSFN)
'设置保存文件对话框中的文件筛选字符串对
.lpstrFilter = "dwg文件(*.dwg)" & Chr(0) & "*.dwg" & Chr(0) & "dxf文件(*.dxf)" & Chr(0) & "*.dxf" & Chr(0) & "Excel文件(*.xl*)" & Chr(0) & "*.xl*" & Chr(0) & "Word文件(*.do*)" _
& Chr(0) & "*.do*" & Chr(0) & "PPT文件(*.pp*)" & Chr(0) & "*.pp*" & Chr(0) & "所有文件(*.*)" & Chr(0) & "*.*" _
& Chr(0) & Chr(0)
'设置文件完整路径和文件名的缓冲区
.lpstrFile = Space(1024)
'设置文件完整路径和文件名的最大字符数,一定要比lpstrFile参数指定的字符数多1，用于存储结尾Null字符
.nMaxFile = 1025
End With
Dim sFileName As String
If GetSaveFileName(sSFN) <> 0 Then
With sSFN
sFileName = Trim(.lpstrFile)
GSFN = Left(sFileName, Len(sFileName) - 1)
End With
Else
GSFN = ""
MsgBox "您已取消，请重新选择"
End
End If
' Debug.Print GSFN, Len(GSFN)
End Function
#End If
Sub a()
On Error GoTo errorcontrol
MsgBox GOFOLDER
Documents.Open GOFN
ThisDrawing.SaveAs GSFN
Exit Sub
errorcontrol: MsgBox Err.Number & " - " & Err.Description
End
End Sub
版权所有qq:443440204,如有引用，请注明出处！