' Modulo para Abrir la caja de dialogo de Abrir
' archivos donde podra aser selección multiple
'Ejemplo de Yosvanis Cruz Alias VisualGuallabo
'Alguna sugerencia responder
' a [email protected] estare agradesido
'Con este codigo puede aser los cambios que quiera
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
Public Const OFN_READONLY = &H1
Public Const OFN_OVERWRITEPROMPT = &H2
Public Const OFN_HIDEREADONLY = &H4
Public Const OFN_NOCHANGEDIR = &H8
Public Const OFN_SHOWHELP = &H10
Public Const OFN_ENABLEHOOK = &H20
Public Const OFN_ENABLETEMPLATE = &H40
Public Const OFN_ENABLETEMPLATEHANDLE = &H80
Public Const OFN_NOVALIDATE = &H100
Public Const OFN_ALLOWMULTISELECT = &H200
Public Const OFN_EXTENSIONDIFFERENT = &H400
Public Const OFN_PATHMUSTEXIST = &H800
Public Const OFN_FILEMUSTEXIST = &H1000
Public Const OFN_CREATEPROMPT = &H2000
Public Const OFN_SHAREAWARE = &H4000
Public Const OFN_NOREADONLYRETURN = &H8000
Public Const OFN_NOTESTFILECREATE = &H10000
Public Const OFN_NONETWORKBUTTON = &H20000
Public Const OFN_NOLONGNAMES = &H40000 ' force no long names for 4.x modules
Public Const OFN_EXPLORER = &H80000 ' new look commdlg
Public Const OFN_NODEREFERENCELINKS = &H100000
Public Const OFN_LONGNAMES = &H200000 ' force long names for 3.x modules
Public Const OFN_SHAREFALLTHROUGH = 2
Public Const OFN_SHARENOWARN = 1
Public Const OFN_SHAREWARN = 0
Public Total_de_Archivos As Integer
Private Declare Function GetOpenFileName Lib "comdlg32.dll" Alias "GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long
Public Lista_Archivos(1 To 20000) As String
Function CountFilesInList(ByVal FileList As String) As Integer
' Cuenta archivos. Los regresos resultan como el entero
Dim iCount As Integer
Dim iPos As Integer
iCount = 0
For iPos = 1 To Len(FileList)
If Mid$(FileList, iPos, 1) = Chr$(0) Then iCount = iCount + 1
Next
If iCount = 0 Then iCount = 1
CountFilesInList = iCount
End Function
Function GetFileFromList(ByVal FileList As String, FileNumber As Integer) As String
' Obtiene el nombre de archivo de FileNumber de FileList
Dim iPos As Integer
Dim iCount As Integer
Dim iFileNumberStart As Integer
Dim iFileNumberLen As Integer
Dim sPath As String
If InStr(FileList, Chr(0)) = 0 Then
GetFileFromList = FileList
Else
iCount = 0
sPath = Left(FileList, InStr(FileList, Chr(0)) - 1)
If Right(sPath, 1) <> "\" Then sPath = sPath + "\"
FileList = FileList + Chr(0)
For iPos = 1 To Len(FileList)
If Mid$(FileList, iPos, 1) = Chr(0) Then
iCount = iCount + 1
Select Case iCount
Case FileNumber
iFileNumberStart = iPos + 1
Case FileNumber + 1
iFileNumberLen = iPos - iFileNumberStart
Exit For
End Select
End If
Next
GetFileFromList = sPath + Mid(FileList, iFileNumberStart, iFileNumberLen)
End If
End Function
Function OpenDialog(Filter As String, Title As String, InitDir As String) As String
Dim ofn As OPENFILENAME
Dim A As Long
ofn.lStructSize = Len(ofn)
ofn.hInstance = App.hInstance
If Right$(Filter, 1) <> "|" Then Filter = Filter + "|"
For A = 1 To Len(Filter)
If Mid$(Filter, A, 1) = "|" Then Mid$(Filter, A, 1) = Chr$(0)
Next
ofn.lpstrFilter = Filter
ofn.lpstrFile = Space$(254)
ofn.nMaxFile = 20000
ofn.lpstrFileTitle = Space$(254)
ofn.nMaxFileTitle = 255
ofn.lpstrInitialDir = InitDir
ofn.lpstrTitle = Title
ofn.Flags = OFN_HIDEREADONLY Or OFN_FILEMUSTEXIST Or OFN_EXPLORER Or OFN_ALLOWMULTISELECT
A = GetOpenFileName(ofn)
' Variable del contador
Dim i As Integer
' Pasa a través de todos los archivos seleccionados
For i = 1 To CountFilesInList(ofn.lpstrFile)
' Compruebe el tamaño del archivo
On Error GoTo cont
Select Case FileLen(GetFileFromList(ofn.lpstrFile, i))
Case Is > 0
' Ahora agréga el archivo a la lista
Lista_Archivos(i) = GetFileFromList(ofn.lpstrFile, i)
Total_de_Archivos = Total_de_Archivos + 1
Case Else
' Si el tamaño del archivo es 0 (el cero) - pregunta si desea agregar a la lista
If MsgBox("El Archivo " & GetFileFromList(ofn.lpstrFile, i) & " tiene 0bytes de tamaño" _
& vbCr & "¿Está seguro usted que quiere agregarlo?", vbYesNo, "Alerta") = vbYes Then
Lista_Archivos(i) = GetFileFromList(ofn.lpstrFile, i)
Total_de_Archivos = Total_de_Archivos + 1
End If
End Select
Next i
cont:
If (A) Then
If Total_de_Archivos = 0 Then Total_de_Archivos = Total_de_Archivos + 1
Lista_Archivos(i) = ofn.lpstrFile
End If
End Function
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Julio 28, 2010, 12:40:43 am