Access Code & Module 32bit to 64bit system - Browse For File Code (1 Viewer)

Option Compare Database
Option Explicit

Private Declare PtrSafe Function ts_apiGetOpenFileName Lib "comdlg32.ocx" _
 Alias "GetOpenFileNameA" (tsFN As tsFileName) As Boolean

Private Declare PtrSafe Function ts_apiGetSaveFileName Lib "comdlg32.ocx" _
 Alias "GetSaveFileNameA" (tsFN As tsFileName) As Boolean

Private Declare PtrSafe Function CommDlgExtendedError Lib "comdlg32.ocx" () As Long

Private Type tsFileName
   lStructSize As Long
   hwndOwner As Long
   hInstance As Long
   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 Long
   lpTemplateName As String
End Type

' Flag Constants
Public Const tscFNAllowMultiSelect = &H200
Public Const tscFNCreatePrompt = &H2000
Public Const tscFNExplorer = &H80000
Public Const tscFNExtensionDifferent = &H400
Public Const tscFNFileMustExist = &H1000
Public Const tscFNPathMustExist = &H800
Public Const tscFNNoValidate = &H100
Public Const tscFNHelpButton = &H10
Public Const tscFNHideReadOnly = &H4
Public Const tscFNLongNames = &H200000
Public Const tscFNNoLongNames = &H40000
Public Const tscFNNoChangeDir = &H8
Public Const tscFNReadOnly = &H1
Public Const tscFNOverwritePrompt = &H2
Public Const tscFNShareAware = &H4000
Public Const tscFNNoReadOnlyReturn = &H8000
Public Const tscFNNoDereferenceLinks = &H100000

Public Function tsGetFileFromUser( _
    Optional ByRef rlngflags As Long = 0&, _
    Optional ByVal strInitialDir As String = "", _
    Optional ByVal strFilter As String = "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 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 = Len(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
    If fOpenFile Then
        fResult = ts_apiGetOpenFileName(tsFN)
    Else
        fResult = ts_apiGetSaveFileName(tsFN)
    End If

    ' If the function call was successful, return the FileName chosen
    ' by the user.  Otherwise return null.  Note, the CancelError property
    ' used by the ActiveX Common Dialog control is not needed.  If the
    ' user presses Cancel, this function will return Null.
    If fResult Then
        rlngflags = tsFN.flags
        tsGetFileFromUser = tsTrimNull(tsFN.strFile)
    Else
        tsGetFileFromUser = Null
    End If

tsGetFileFromUser_End:
    On Error GoTo 0
    Exit Function

tsGetFileFromUser_Err:
    Beep
    MsgBox Err.Description, , "Error: " & Err.Number _
    & " in function basBrowseFiles.tsGetFileFromUser"
    Resume tsGetFileFromUser_End

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 Sub tsGetFileFromUserTest()
On Error GoTo tsGetFileFromUserTest_Err
   
    Dim strFilter As String
    Dim lngFlags As Long
    Dim varFileName As Variant

'   strFilter = "Access (*.mdb)" & vbNullChar & "*.mdb" _
'    & vbNullChar & "All Files (*.*)" & vbNullChar & "*.*"
    strFilter = "All Files (*.*)" & vbNullChar & "*.*"

    lngFlags = tscFNPathMustExist Or tscFNFileMustExist Or tscFNHideReadOnly
   
    varFileName = tsGetFileFromUser( _
    fOpenFile:=True, _
    strFilter:=strFilter, _
    rlngflags:=lngFlags, _
    strDialogTitle:="GetFileFromUser Test (Please choose a file)")
   
    If IsNull(varFileName) Then
        Debug.Print "User pressed 'Cancel'."
    Else
        Debug.Print varFileName
        'Forms![Form1]![Text1] = varFileName
    End If

    If varFileName <> "" Then MsgBox "You selected the '" & varFileName & "' file.", vbInformation

tsGetFileFromUserTest_End:
    On Error GoTo 0
    Exit Sub

tsGetFileFromUserTest_Err:
    Beep
    MsgBox Err.Description, , "Error: " & Err.Number _
     & " in sub basBrowseFiles.tsGetFileFromUserTest"
    Resume tsGetFileFromUserTest_End

End Sub

Private Sub Command20_Click()
 Dim strFilter As String
    Dim lngFlags As Long
    Dim varFileName As Variant

    Me.tbHidden.SetFocus

   'strFilter = "Access (*.mdb)" & vbNullChar & "*.mdb" _
   ' & vbNullChar & "All Files (*.*)" & vbNullChar & "*.*"
    strFilter = "CSV File (*.csv)" & vbNullChar & "*.csv*"
    ' strFilter = "All Files (*.*)" & vbNullChar & "*.*"

    lngFlags = tscFNPathMustExist Or tscFNFileMustExist Or tscFNHideReadOnly

    varFileName = tsGetFileFromUser( _
    fOpenFile:=True, _
    strFilter:=strFilter, _
    rlngflags:=lngFlags, _
    strInitialDir:="C:\Users\James\Documents\Dock\Folders\6th Form Year 12\ICT Diploma\Mr Bush - Unit 4\eRadio Project\eRadio Project documents", _
    strDialogTitle:="Find File (Select The File And Click The Open Button)")
    'remove the strInitialDir:="C:\Windows\", _ line if you do not want the Browser to open at a specific location

    If IsNull(varFileName) Or varFileName = "" Then
        Debug.Print "User pressed 'Cancel'."
        Beep
        MsgBox "File selection was canceled.", vbInformation
        Exit Sub
    Else
        'Debug.Print varFileName
        Me.txtSelectedFile = varFileName
    End If

End Sub