OpenFilename et savefilename Dialogs

Pour sélectionner ou enregistrer un fichier
Code:
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Option Explicit
 
'Widestring open,save filename
'Ex:
'Dim S As String
'Dim Filter As String
'  Filter = "Toutes *.bmp *.jpg *.gif|*.bmp;*.jpg;*.jpeg;*.gif"
'  Filter = Filter & "|images dib *.bmp|*.bmp"
'  Filter = Filter & "|image jpg|*.jpg;*.jpeg"
'  Filter = Filter & "|image gif|*.gif"
'  If PromptForFileName(S, Filter) Then
'       MsgBox S
'  End If
Private Declare Function GetOpenFileNameW Lib "comdlg32" (pOpenfilename As OPENFILENAME) As Long
Private Declare Function GetSaveFileNameW Lib "comdlg32" (pOpenfilename As OPENFILENAME) As Long
Private Type OPENFILENAME
    lStructSize As Long
    hWndOwner As Long
    hInstance As Long
    lpstrFilter As Long
    lpstrCustomFilter As Long
    nMaxCustFilter As Long
    nFilterIndex As Long
    lpstrFile As Long
    nMaxFile As Long
    lpstrFileTitle As Long
    nMaxFileTitle As Long
    lpstrInitialDir As Long
    lpstrTitle As Long
    flags As Long
    nFileOffset As Integer
    nFileExtension As Integer
    lpstrDefExt As Long
    lCustData As Long
    lpfnHook As Long
    lpTemplateName As Long
End Type
Private Const MAX_PATH = 260
Private Const OFN_OVERWRITEPROMPT = &H2
Private Const OFN_HIDEREADONLY = &H4
Private Const OFN_FILEMUSTEXIST = &H1000
 
 
Public Function PromptForFileName(Var_FileName As String, _
                  Optional AFilter As String = "", _
                  Optional ADefaultExt As String = "", _
                  Optional ATitle As String = "", _
                  Optional AInitialDir As String = "", _
                  Optional SaveDialog As Boolean = False) As Boolean
    Dim Dialog As OPENFILENAME
    Dim szFilter As String
    Dim strFile As String
    Dim I       As Long
    strFile = Space(MAX_PATH)
    For I = 1 To Len(AFilter)
       If Mid$(AFilter, I, 1) = "|" Then
          szFilter = szFilter & Chr$(0)
       Else
          szFilter = szFilter & Mid$(AFilter, I, 1)
       End If
    Next
    szFilter = szFilter & Chr$(0)
    With Dialog
        .lStructSize = LenB(Dialog)
        .hWndOwner = MainHwnd
        .lpstrFilter = StrPtr(szFilter)
        .lpstrFile = StrPtr(strFile)
        .nMaxFile = MAX_PATH
        .lpstrTitle = StrPtr(ATitle)
        .lpstrInitialDir = StrPtr(AInitialDir)
        .lpstrDefExt = StrPtr(ADefaultExt)
        .flags = OFN_OVERWRITEPROMPT Or OFN_HIDEREADONLY Or OFN_FILEMUSTEXIST
    End With
    If SaveDialog Then
         PromptForFileName = GetSaveFileNameW(Dialog)
    Else
         PromptForFileName = GetOpenFileNameW(Dialog)
    End If
    If PromptForFileName Then
      Var_FileName = Trim$(strFile)
    End If
End Function