mcommondialog.bas

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    eoLandscape
End Enum

Private Declare Function PageSetupDlg Lib "COMDLG32" _
    Alias "PageSetupDlgA" (lppage As TPAGESETUPDLG) As Boolean

Public Enum EPageSetup
    PSD_Defaultminmargins = &H0 ' Default (printer's)
    PSD_InWinIniIntlMeasure = &H0
    PSD_MINMARGINS = &H1
    PSD_MARGINS = &H2
    PSD_INTHOUSANDTHSOFINCHES = &H4
    PSD_INHUNDREDTHSOFMILLIMETERS = &H8
    PSD_DISABLEMARGINS = &H10
    PSD_DISABLEPRINTER = &H20
    PSD_NoWarning = &H80
    PSD_DISABLEORIENTATION = &H100
    PSD_ReturnDefault = &H400
    PSD_DISABLEPAPER = &H200
    PSD_ShowHelp = &H800
    PSD_EnablePageSetupHook = &H2000
    PSD_EnablePageSetupTemplate = &H8000
    PSD_EnablePageSetupTemplateHandle = &H20000
    PSD_EnablePagePaintHook = &H40000
    PSD_DisablePagePainting = &H80000
End Enum

Public Enum EPageSetupUnits
    epsuInches
    epsuMillimeters
End Enum

' Common dialog errors

Private Declare Function CommDlgExtendedError Lib "COMDLG32" () As Long

Public Enum EDialogError
    CDERR_DIALOGFAILURE = &HFFFF

    CDERR_GENERALCODES = &H0
    CDERR_STRUCTSIZE = &H1
    CDERR_INITIALIZATION = &H2
    CDERR_NOTEMPLATE = &H3
    CDERR_NOHINSTANCE = &H4
    CDERR_LOADSTRFAILURE = &H5
    CDERR_FINDRESFAILURE = &H6
    CDERR_LOADRESFAILURE = &H7
    CDERR_LOCKRESFAILURE = &H8
    CDERR_MEMALLOCFAILURE = &H9
    CDERR_MEMLOCKFAILURE = &HA
    CDERR_NOHOOK = &HB
    CDERR_REGISTERMSGFAIL = &HC

    PDERR_PRINTERCODES = &H1000
    PDERR_SETUPFAILURE = &H1001
    PDERR_PARSEFAILURE = &H1002
    PDERR_RETDEFFAILURE = &H1003
    PDERR_LOADDRVFAILURE = &H1004
    PDERR_GETDEVMODEFAIL = &H1005
    PDERR_INITFAILURE = &H1006
    PDERR_NODEVICES = &H1007
    PDERR_NODEFAULTPRN = &H1008
    PDERR_DNDMMISMATCH = &H1009
    PDERR_CREATEICFAILURE = &H100A
    PDERR_PRINTERNOTFOUND = &H100B
    PDERR_DEFAULTDIFFERENT = &H100C

    CFERR_CHOOSEFONTCODES = &H2000
    CFERR_NOFONTS = &H2001
    CFERR_MAXLESSTHANMIN = &H2002

    FNERR_FILENAMECODES = &H3000
    FNERR_SUBCLASSFAILURE = &H3001
    FNERR_INVALIDFILENAME = &H3002
    FNERR_BUFFERTOOSMALL = &H3003

    CCERR_CHOOSECOLORCODES = &H5000
End Enum

' Array of custom colors lasts for life of app
Private alCustom(0 To 15) As Long, fNotFirst As Boolean

Public Enum EPrintRange
    eprAll
    eprPageNumbers
    eprSelection
End Enum
Private m_lApiReturn As Long
Private m_lExtendedError As Long
Private m_dvmode As DevMode

Public Property Get APIReturn() As Long
    'return object's APIReturn property
    APIReturn = m_lApiReturn
End Property
Public Property Get ExtendedError() As Long
    'return object's ExtendedError property
    ExtendedError = m_lExtendedError
End Property

#If fComponent Then
Private Sub Class_Initialize()
    InitColors
End Sub
#End If

Function VBGetOpenFileName(Filename As String, _
                           Optional FileTitle As String, _
                           Optional FileMustExist As Boolean = True, _
                           Optional MultiSelect As Boolean = False, _
                           Optional ReadOnly As Boolean = False, _
                           Optional HideReadOnly As Boolean = False, _
                           Optional Filter As String = "All (*.*)| *.*", _
                           Optional FilterIndex As Long = 1, _
                           Optional InitDir As String, _
                           Optional DlgTitle As String, _
                           Optional DefaultExt As String, _
                           Optional Owner As Long = -1, _
                           Optional flags As Long = 0) As Boolean

    Dim opfile As OPENFILENAME, s As String, afFlags As Long
    
    m_lApiReturn = 0
    m_lExtendedError = 0

With opfile
    .lStructSize = Len(opfile)
    
    ' Add in specific flags and strip out non-VB flags
    
    .flags = (-FileMustExist * OFN_FILEMUSTEXIST) Or _
            (-MultiSelect * OFN_ALLOWMULTISELECT) Or _
             (-ReadOnly * OFN_READONLY) Or _
             (-HideReadOnly * OFN_HIDEREADONLY) Or _
             (flags And CLng(Not (OFN_ENABLEHOOK Or _
                                  OFN_ENABLETEMPLATE)))
    ' Owner can take handle of owning window
    If Owner <> -1 Then .hWndOwner = Owner
    ' InitDir can take initial directory string
    .lpstrInitialDir = InitDir
    ' DefaultExt can take default extension
    .lpstrDefExt = DefaultExt
    ' DlgTitle can take dialog box title
    .lpstrTitle = DlgTitle
    
    ' To make Windows-style filter, replace | and : with nulls
    Dim ch As String, i As Integer
    For i = 1 To Len(Filter)
        ch = Mid$(Filter, i, 1)
        If ch = "|" Or ch = ":" Then
            s = s & vbNullChar
        Else
            s = s & ch
        End If
    Next
    ' Put double null at end
    s = s & vbNullChar & vbNullChar
    .lpstrFilter = s
    .nFilterIndex = FilterIndex

    ' Pad file and file title buffers to maximum path
    s = Filename & String$(MAX_PATH - Len(Filename), 0)
    .lpstrFile = s
    .nMaxFile = MAX_PATH
    s = FileTitle & String$(MAX_FILE - Len(FileTitle), 0)
    .lpstrFileTitle = s
    .nMaxFileTitle = MAX_FILE
    ' All other fields set to zero
    
    m_lApiReturn = GetOpenFileName(opfile)
    Select Case m_lApiReturn
    Case 1
        ' Success
        VBGetOpenFileName = True
        Filename = StrZToStr(.lpstrFile)
        FileTitle = StrZToStr(.lpstrFileTitle)
        flags = .flags
        ' Return the filter index
        FilterIndex = .nFilterIndex
        ' Look up the filter the user selected and return that
        Filter = FilterLookup(.lpstrFilter, FilterIndex)
        If (.flags And OFN_READONLY) Then ReadOnly = True
    Case 0
        ' Cancelled
        VBGetOpenFileName = False
        Filename = ""
        FileTitle = ""
        flags = 0
        FilterIndex = -1
        Filter = ""
    Case Else
        ' Extended error
        m_lExtendedError = CommDlgExtendedError()
        VBGetOpenFileName = False
        Filename = ""
        FileTitle = ""
        flags = 0
        FilterIndex = -1
        Filter = ""
    End Select
End With
End Function
Private Function StrZToStr(s As String) As String
    StrZToStr = Left$(s, lstrlen(s))
End Function

Function VBGetSaveFileName(Filename As String, _
                           Optional FileTitle As String, _
                           Optional OverWritePrompt As Boolean = True, _
                           Optional Filter As String = "All (*.*)| *.*", _
                           Optional FilterIndex As Long = 1, _
                           Optional InitDir As String, _
                           Optional DlgTitle As String, _
                           Optional DefaultExt As String, _
                           Optional Owner As Long = -1, _
                           Optional flags As Long) As Boolean
            
    Dim opfile As OPENFILENAME, s As String

    m_lApiReturn = 0
    m_lExtendedError = 0

With opfile
    .lStructSize = Len(opfile)
    
    ' Add in specific flags and strip out non-VB flags
    .flags = (-OverWritePrompt * OFN_OVERWRITEPROMPT) Or _
             OFN_HIDEREADONLY Or _
             (flags And CLng(Not (OFN_ENABLEHOOK Or _
                                  OFN_ENABLETEMPLATE)))
    ' Owner can take handle of owning window
    If Owner <> -1 Then .hWndOwner = Owner
    ' InitDir can take initial directory string
    .lpstrInitialDir = InitDir
    ' DefaultExt can take default extension
    .lpstrDefExt = DefaultExt
    ' DlgTitle can take dialog box title
    .lpstrTitle = DlgTitle
    
    ' Make new filter with bars (|) replacing nulls and double null at end
    Dim ch As String, i As Integer
    For i = 1 To Len(Filter)
        ch = Mid$(Filter, i, 1)
        If ch = "|" Or ch = ":" Then
            s = s & vbNullChar
        Else
            s = s & ch
        End If
    Next
    ' Put double null at end
    s = s & vbNullChar & vbNullChar
    .lpstrFilter = s
    .nFilterIndex = FilterIndex

    ' Pad file and file title buffers to maximum path
    s = Filename & String$(MAX_PATH - Len(Filename), 0)
    .lpstrFile = s
    .nMaxFile = MAX_PATH
    s = FileTitle & String$(MAX_FILE - Len(FileTitle), 0)
    .lpstrFileTitle = s
    .nMaxFileTitle = MAX_FILE
    ' All other fields zero
    
    m_lApiReturn = GetSaveFileName(opfile)
    Select Case m_lApiReturn
    Case 1
        VBGetSaveFileName = True
        Filename = StrZToStr(.lpstrFile)
        FileTitle = StrZToStr(.lpstrFileTitle)
        flags = .flags
        ' Return the filter index
        FilterIndex = .nFilterIndex
        ' Look up the filter the user selected and return that
        Filter = FilterLookup(.lpstrFilter, FilterIndex)
    Case 0
        ' Cancelled:
        VBGetSaveFileName = False
        Filename = ""
        FileTitle = ""
        flags = 0
        FilterIndex = 0
        Filter = ""
    Case Else
        ' Extended error:
        VBGetSaveFileName = False
        m_lExtendedError = CommDlgExtendedError()
        Filename = ""
        FileTitle = ""
        flags = 0
        FilterIndex = 0
        Filter = ""
    End Select
End With
End Function

Private Function FilterLookup(ByVal sFilters As String, ByVal iCur As Long) As String
    Dim iStart As Long, iEnd As Long, s As String
    iStart = 1
    If sFilters = "" Then Exit Function
    Do
        ' Cut out both parts marked by null character
        iEnd = InStr(iStart, sFilters, vbNullChar)
        If iEnd = 0 Then Exit Function
        iEnd = InStr(iEnd + 1, sFilters, vbNullChar)
        If iEnd Then
            s = Mid$(sFilters, iStart, iEnd - iStart)
        Else
            s = Mid$(sFilters, iStart)
        End If
        iStart = iEnd + 1
        If iCur = 1 Then
            FilterLookup = s
            Exit Function
        End If
        iCur = iCur - 1
    Loop While iCur
End Function

Function VBGetFileTitle(sFile As String) As String
    Dim sFileTitle As String, cFileTitle As Integer

    cFileTitle = MAX_PATH
    sFileTitle = String$(MAX_PATH, 0)
    cFileTitle = GetFileTitle(sFile, sFileTitle, MAX_PATH)
    If cFileTitle Then
        VBGetFileTitle = ""
    Else
        VBGetFileTitle = Left$(sFileTitle, InStr(sFileTitle, vbNullChar) - 1)
    End If

End Function

' ChooseColor wrapper
Function VBChooseColor(Color As Long, _
                       Optional AnyColor As Boolean = True, _
                       Optional FullOpen As Boolean = False, _
                       Optional DisableFullOpen As Boolean = False, _
                       Optional Owner As Long = -1, _
                       Optional flags As Long) As Boolean

    Dim chclr As TCHOOSECOLOR
    chclr.lStructSize = Len(chclr)
    
    ' Color must get reference variable to receive result
    ' Flags can get reference variable or constant with bit flags
    ' Owner can take handle of owning window
    If Owner <> -1 Then chclr.hWndOwner = Owner

    ' Assign color (default uninitialized value of zero is good default)
    chclr.rgbResult = Color

    ' Mask out unwanted bits
    Dim afMask As Long
    afMask = CLng(Not (CC_ENABLEHOOK Or _
                       CC_ENABLETEMPLATE))
    ' Pass in flags
    chclr.flags = afMask And (CC_RGBInit Or _
                  IIf(AnyColor, CC_AnyColor, CC_SolidColor) Or _
                  (-FullOpen * CC_FullOpen) Or _
                  (-DisableFullOpen * CC_PreventFullOpen))

    ' If first time, initialize to white
    If fNotFirst = False Then InitColors

    chclr.lpCustColors = VarPtr(alCustom(0))
    ' All other fields zero
    
    m_lApiReturn = ChooseColor(chclr)
    Select Case m_lApiReturn
    Case 1
        ' Success
        VBChooseColor = True
        Color = chclr.rgbResult