filedialog.bas

OpenPlayer代码

Attribute VB_Name = "Module2"


Option Explicit
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' Copyright ?1996-2000 VBnet, Randy Birch, All Rights Reserved.
' Some pages may also contain other copyrights by the author.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' You are free to use this code within your own applications,
' but you are expressly forbidden from selling or otherwise
' distributing this source code without prior written consent.
' This includes both posting free demo projects made from this
' code as well as reproducing the code in text or html format.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

Public Const OFN_ALLOWMULTISELECT As Long = &H200
Public Const OFN_CREATEPROMPT As Long = &H2000
Public Const OFN_ENABLEHOOK As Long = &H20
Public Const OFN_ENABLETEMPLATE As Long = &H40
Public Const OFN_ENABLETEMPLATEHANDLE As Long = &H80
Public Const OFN_EXPLORER As Long = &H80000
Public Const OFN_EXTENSIONDIFFERENT As Long = &H400
Public Const OFN_FILEMUSTEXIST As Long = &H1000           '文件必须存在
Public Const OFN_HIDEREADONLY As Long = &H4
Public Const OFN_LONGNAMES As Long = &H200000
Public Const OFN_NOCHANGEDIR As Long = &H8
Public Const OFN_NODEREFERENCELINKS As Long = &H100000
Public Const OFN_NOLONGNAMES As Long = &H40000
Public Const OFN_NONETWORKBUTTON As Long = &H20000
Public Const OFN_NOREADONLYRETURN As Long = &H8000
Public Const OFN_NOTESTFILECREATE As Long = &H10000
Public Const OFN_NOVALIDATE As Long = &H100
Public Const OFN_OVERWRITEPROMPT As Long = &H2
Public Const OFN_PATHMUSTEXIST As Long = &H800
Public Const OFN_READONLY As Long = &H1
Public Const OFN_SHAREAWARE As Long = &H4000
Public Const OFN_SHAREFALLTHROUGH As Long = 2
Public Const OFN_SHAREWARN As Long = 0
Public Const OFN_SHARENOWARN As Long = 1
Public Const OFN_SHOWHELP As Long = &H10
Public Const OFS_MAXPATHNAME As Long = 260

'OFS_FILE_OPEN_FLAGS and OFS_FILE_SAVE_FLAGS below
'are mine to save long statements; they're not
'a standard Win32 type.
Public Const OFS_FILE_OPEN_FLAGS = OFN_EXPLORER _
             Or OFN_LONGNAMES _
             Or OFN_FILEMUSTEXIST _
             Or OFN_NODEREFERENCELINKS

Public Const OFS_FILE_SAVE_FLAGS = OFN_EXPLORER _
             Or OFN_LONGNAMES _
             Or OFN_OVERWRITEPROMPT _
             Or OFN_HIDEREADONLY

Public Type OPENFILENAME
  nStructSize       As Long
  hwndOwner         As Long
  hInstance         As Long
  sFilter           As String
  sCustomFilter     As String
  nMaxCustFilter    As Long
  nFilterIndex      As Long
  sFile             As String
  nMaxFile          As Long
  sFileTitle        As String
  nMaxTitle         As Long
  sInitialDir       As String
  sDialogTitle      As String
  flags             As Long
  nFileOffset       As Integer
  nFileExtension    As Integer
  sDefFileExt       As String
  nCustData         As Long
  fnHook            As Long
  sTemplateName     As String
End Type

Public OFN As OPENFILENAME

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

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

'new additions to original code
'supporting the Hook method
Public Const WM_INITDIALOG = &H110
Private Const SW_SHOWNORMAL = 1

Public Function OFNHookProc(ByVal hWnd As Long, _
                            ByVal uMsg As Long, _
                            ByVal wParam As Long, _
                            ByVal lParam As Long) As Long
 

End Function
'--end block--'
   
 Function ShowOpenDialog(Owner As Object, FileType As String, Ext As String, Title As String) As String

  '文件类型
  '格式如下
  ' sFilters = "Visual Basic Forms" & vbNullChar & "*.frm" & vbNullChar & _
              "Visual Basic Modules" & vbNullChar & "*.bas" & vbNullChar & _
              "Visual Basic Projects" & vbNullChar & "*.vbp" & vbNullChar & _
              "Text Files" & vbNullChar & "*.txt" & vbNullChar & _
              "All Files" & vbNullChar & "*.*" & vbNullChar & vbNullChar
 
  '填充结构
   With OFN
      .nStructSize = Len(OFN)
      .hwndOwner = Owner.hWnd
      .sFilter = FileType & vbNullChar & Ext    ' "Flash Movie|*.swf,*.spl" & vbNullChar & "*.swf;*.spl"
      .nFilterIndex = 2
      .sFile = "*.swf" & Space$(1024) & vbNullChar & vbNullChar
      .nMaxFile = Len(.sFile)
      .sDefFileExt = "swf" & vbNullChar & vbNullChar
      .sFileTitle = vbNullChar & Space$(512) & vbNullChar & vbNullChar
      .nMaxTitle = Len(OFN.sFileTitle)
    
      .sDialogTitle = Title
      .flags = OFS_FILE_OPEN_FLAGS Or _
                   OFN_ENABLEHOOK
                  'or OFN_ALLOWMULTISELECT _  多选
                  'or OFN_EXPLORER
     ' .fnHook = FARPROC(AddressOf OFNHookProc)

   End With
   
   If GetOpenFileName(OFN) Then
     ShowOpenDialog = OFN.sFile
   Else
     ShowOpenDialog = ""
   End If
  
End Function
Function ShowSaveDialog(Owner As Object, FileType As String, Ext As String, Title As String, strInitPath As String) As String

  '填充结构
   With OFN
      .nStructSize = Len(OFN)
      .hwndOwner = Owner.hWnd
      .sFilter = FileType & vbNullChar & Ext '"Flash Movie|*.swf,*.spl" & vbNullChar & "*.swf;*.spl"
      .nFilterIndex = 2
      .sFile = "*.swf" & Space$(1024) & vbNullChar & vbNullChar
      .nMaxFile = Len(.sFile)
      .sDefFileExt = Ext & vbNullChar & vbNullChar
      .sFileTitle = vbNullChar & Space$(512) & vbNullChar & vbNullChar
      .nMaxTitle = Len(OFN.sFileTitle)
      .sInitialDir = strInitPath
      .sDialogTitle = Title
      .flags = OFS_FILE_SAVE_FLAGS Or _
                   OFN_ENABLEHOOK
                  'or OFN_ALLOWMULTISELECT _  多选
                  'or OFN_EXPLORER
     ' .fnHook = FARPROC(AddressOf OFNHookProc)

   End With
   
   If GetSaveFileName(OFN) Then
     ShowSaveDialog = OFN.sFile
   Else
     ShowSaveDialog = ""
   End If
End Function