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'   Abrir el diálogo de archivos                                              '
'   Gustavo Alberto Rodriguez                                                 '
'   2005                                                                      '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
Option Explicit
 
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 Declare Function GetOpenFileName Lib "comdlg32.dll" Alias _
         "GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long
 
'______________________________________________________________________________
Public Sub OpenFileDialog(hWnd As Long, _
                          sFilter As String, _
                          sFileName As String, _
                          sInitialDir As String, _
                          sDialogTitle As String)
Dim OpenFile As OPENFILENAME
Dim lReturn As Long
         sFileName = Trim$(sFileName)
         sFileName = sFileName & String(257 - Len(sFileName), 0)
         OpenFile.lStructSize = Len(OpenFile)
         OpenFile.hwndOwner = hWnd
         OpenFile.hInstance = 0 'App.hInstance
         OpenFile.lpstrFilter = Replace(sFilter, "|", Chr$(0))
         OpenFile.nFilterIndex = 1
         OpenFile.lpstrFile = sFileName
         OpenFile.nMaxFile = Len(OpenFile.lpstrFile) - 1
         OpenFile.lpstrFileTitle = OpenFile.lpstrFile
         OpenFile.nMaxFileTitle = OpenFile.nMaxFile
         OpenFile.lpstrInitialDir = sInitialDir
         OpenFile.lpstrTitle = sDialogTitle
         OpenFile.flags = 0
         lReturn = GetOpenFileName(OpenFile)
         If lReturn <> 0 Then
            sFileName = Left(OpenFile.lpstrFile, _
                             InStr(OpenFile.lpstrFile, Chr$(0)) - 1)
         End If
End Sub '   OpenFileDialog ----------------------------------------------------

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