Due esempi di Common dialog




'save file and rename them to [name].BAS


Attribute VB_Name = "OpenFile32"
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

Private Declare Function GetOpenFileName Lib "comdlg32.dll" _
Alias "GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long

Private Declare Function GetSaveFileName Lib "comdlg32.dll" _
Alias "GetSaveFileNameA" (pOpenfilename As OPENFILENAME) As Long

Function SaveDialog(Form1 As Form, Filter As String, Title As String, InitDir As String) As String

Dim ofn As OPENFILENAME
Dim A As Long
ofn.lStructSize = Len(ofn)
ofn.hwndOwner = Form1.hWnd
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$(254)
ofn.nMaxFile = 255
ofn.lpstrFileTitle = Space$(254)
ofn.nMaxFileTitle = 255
ofn.lpstrInitialDir = InitDir
ofn.lpstrTitle = Title
ofn.flags = OFN_HIDEREADONLY Or OFN_OVERWRITEPROMPT Or OFN_CREATEPROMPT
A = GetSaveFileName(ofn)

If (A) Then
SaveDialog = Trim$(ofn.lpstrFile)
Else
SaveDialog = ""
End If

End Function


Function OpenDialog(Form1 As Form, Filter As String, Title As String, InitDir As String) As String

Dim ofn As OPENFILENAME
Dim A As Long
ofn.lStructSize = Len(ofn)
ofn.hwndOwner = Form1.hWnd
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$(254)
ofn.nMaxFile = 255
ofn.lpstrFileTitle = Space$(254)
ofn.nMaxFileTitle = 255
ofn.lpstrInitialDir = InitDir
ofn.lpstrTitle = Title
ofn.flags = OFN_HIDEREADONLY Or OFN_FILEMUSTEXIST
A = GetOpenFileName(ofn)

If (A) Then
OpenDialog = Trim$(ofn.lpstrFile)
Else
OpenDialog = ""
End If

End Function














( dueesempidicommondialog.html )- by Paolo Puglisi - Modifica del 17/12/2023