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| Option Compare Database
Option Explicit
'Déclaration de l'API
Private Declare PtrSafe Function GetOpenFileName Lib "comdlg32.dll" Alias _
"GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long
Private Declare PtrSafe Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" _
(ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, _
ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
'Structure du fichier
Private Type OPENFILENAME
lStructSize As Long
hwndOwner As LongPtr
hInstance As LongPtr
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 LongPtr
lpfnHook As LongPtr
lpTemplateName As String
End Type
'Constantes
Private Const OFN_READONLY = &H1
Private Const OFN_OVERWRITEPROMPT = &H2
Private Const OFN_HIDEREADONLY = &H4
Private Const OFN_NOCHANGEDIR = &H8
Private Const OFN_SHOWHELP = &H10
Private Const OFN_ENABLEHOOK = &H20
Private Const OFN_ENABLETEMPLATE = &H40
Private Const OFN_ENABLETEMPLATEHANDLE = &H80
Private Const OFN_NOVALIDATE = &H100
Private Const OFN_ALLOWMULTISELECT = &H200
Private Const OFN_EXTENSIONDIFFERENT = &H400
Private Const OFN_PATHMUSTEXIST = &H800
Private Const OFN_FILEMUSTEXIST = &H1000
Private Const OFN_CREATEPROMPT = &H2000
Private Const OFN_SHAREAWARE = &H4000
Private Const OFN_NOREADONLYRETURN = &H8000
Private Const OFN_NOTESTFILECREATE = &H10000
Private Const OFN_SHAREFALLTHROUGH = 2
Private Const OFN_SHARENOWARN = 1
Private Const OFN_SHAREWARN = 0
Private Declare PtrSafe Function SHGetSpecialFolderPath Lib "shell32.dll" Alias "SHGetSpecialFolderPathA" _
(ByVal hwndOwner As Long, ByVal lpszPath As String, _
ByVal nFolder As Long, ByVal fCreate As Long) As Long
Public Function GetSpecialFolderPath(dossier As Long, hwnd As Long)
Dim buffer As String
buffer = Space(256)
SHGetSpecialFolderPath hwnd, buffer, dossier, 0
GetSpecialFolderPath = Left(buffer, InStr(buffer, Chr(0)) - 1)
End Function
Public Function OuvrirUnFichier(Handle As Long, _
Titre As String, _
TypeRetour As Byte, _
Optional TitreFiltre As String, _
Optional TypeFichier As String) As String
Dim StructFile As OPENFILENAME
Dim sFiltre As String
'Construction du filtre en fonction des arguments spécifiés
If Len(TitreFiltre) > 0 And Len(TypeFichier) > 0 Then
sFiltre = TitreFiltre & " (" & TypeFichier & ")" & Chr$(0) & "*." & TypeFichier & Chr$(0)
End If
sFiltre = sFiltre & "Tous (*.*)" & Chr$(0) & "*.*" & Chr$(0)
'Configuration de la boîte de dialogue
With StructFile
.lStructSize = Len(StructFile) 'Initialisation de la grosseur de la structure
.hwndOwner = Handle 'Identification du handle de la fenêtre
.lpstrFilter = sFiltre 'Application du filtre
.lpstrFile = String$(254, vbNullChar) 'Initialisation du fichier '0' x 254
.nMaxFile = 254 'Taille maximale du fichier
.lpstrFileTitle = String$(254, vbNullChar) 'Initialisation du nom du fichier '0' x 254
.nMaxFileTitle = 254 'Taille maximale du nom du fichier
.lpstrTitle = Titre 'Titre de la boîte de dialogue
.flags = OFN_HIDEREADONLY 'Option de la boite de dialogue
End With
If (GetOpenFileName(StructFile)) Then 'Si un fichier est sélectionné
Select Case TypeRetour
Case 1: OuvrirUnFichier = Trim$(StructFile.lpstrFile)
Case 2: OuvrirUnFichier = Trim$(StructFile.lpstrFileTitle)
End Select
End If
End Function |
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