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GCommonDialog.cls
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GCommonDialog.cls
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VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "GCommonDialog"
Attribute VB_GlobalNameSpace = True
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit
' ==========================================================================
' Class: GCommonDialog
' Filename: GCommonDialog.cls
' Author: Steve McMahon, based on original by Bruce McKinney
' Date: 24 May 1998
' ==========================================================================
' ==========================================================================
' API declares:
' ==========================================================================
Public Enum EErrorCommonDialog
eeBaseCommonDialog = 13450 ' CommonDialog
End Enum
Private Declare Function lstrlen Lib "KERNEL32" Alias "lstrlenA" (ByVal lpString As String) As Long
Private Declare Function GlobalAlloc Lib "KERNEL32" (ByVal wFlags As Long, ByVal dwBytes As Long) As Long
Private Declare Function GlobalCompact Lib "KERNEL32" (ByVal dwMinFree As Long) As Long
Private Declare Function GlobalFree Lib "KERNEL32" (ByVal hmem As Long) As Long
Private Declare Function GlobalLock Lib "KERNEL32" (ByVal hmem As Long) As Long
Private Declare Function GlobalReAlloc Lib "KERNEL32" (ByVal hmem As Long, ByVal dwBytes As Long, ByVal wFlags As Long) As Long
Private Declare Function GlobalSize Lib "KERNEL32" (ByVal hmem As Long) As Long
Private Declare Function GlobalUnlock Lib "KERNEL32" (ByVal hmem As Long) As Long
Private Declare Sub CopyMemory Lib "KERNEL32" Alias "RtlMoveMemory" ( _
lpvDest As Any, lpvSource As Any, ByVal cbCopy As Long)
Private Declare Sub CopyMemoryStr Lib "KERNEL32" Alias "RtlMoveMemory" ( _
lpvDest As Any, ByVal lpvSource As String, ByVal cbCopy As Long)
Private Const MAX_PATH = 260
Private Const MAX_FILE = 260
Private Type OPENFILENAME
lStructSize As Long ' Filled with UDT size
hWndOwner As Long ' Tied to Owner
hInstance As Long ' Ignored (used only by templates)
lpstrFilter As String ' Tied to Filter
lpstrCustomFilter As String ' Ignored (exercise for reader)
nMaxCustFilter As Long ' Ignored (exercise for reader)
nFilterIndex As Long ' Tied to FilterIndex
lpstrFile As String ' Tied to FileName
nMaxFile As Long ' Handled internally
lpstrFileTitle As String ' Tied to FileTitle
nMaxFileTitle As Long ' Handled internally
lpstrInitialDir As String ' Tied to InitDir
lpstrTitle As String ' Tied to DlgTitle
flags As Long ' Tied to Flags
nFileOffset As Integer ' Ignored (exercise for reader)
nFileExtension As Integer ' Ignored (exercise for reader)
lpstrDefExt As String ' Tied to DefaultExt
lCustData As Long ' Ignored (needed for hooks)
lpfnHook As Long ' Ignored (good luck with hooks)
lpTemplateName As Long ' Ignored (good luck with templates)
End Type
Private Declare Function GetOpenFileName Lib "COMDLG32" _
Alias "GetOpenFileNameA" (file As OPENFILENAME) As Long
Private Declare Function GetSaveFileName Lib "COMDLG32" _
Alias "GetSaveFileNameA" (file As OPENFILENAME) As Long
Private Declare Function GetFileTitle Lib "COMDLG32" _
Alias "GetFileTitleA" (ByVal szFile As String, _
ByVal szTitle As String, ByVal cbBuf As Long) As Long
Public Enum EOpenFile
OFN_READONLY = &H1
OFN_OVERWRITEPROMPT = &H2
OFN_HIDEREADONLY = &H4
OFN_NOCHANGEDIR = &H8
OFN_SHOWHELP = &H10
OFN_ENABLEHOOK = &H20
OFN_ENABLETEMPLATE = &H40
OFN_ENABLETEMPLATEHANDLE = &H80
OFN_NOVALIDATE = &H100
OFN_ALLOWMULTISELECT = &H200
OFN_EXTENSIONDIFFERENT = &H400
OFN_PATHMUSTEXIST = &H800
OFN_FILEMUSTEXIST = &H1000
OFN_CREATEPROMPT = &H2000
OFN_SHAREAWARE = &H4000
OFN_NOREADONLYRETURN = &H8000
OFN_NOTESTFILECREATE = &H10000
OFN_NONETWORKBUTTON = &H20000
OFN_NOLONGNAMES = &H40000
OFN_EXPLORER = &H80000
OFN_NODEREFERENCELINKS = &H100000
OFN_LONGNAMES = &H200000
End Enum
Private Type TCHOOSECOLOR
lStructSize As Long
hWndOwner As Long
hInstance As Long
rgbResult As Long
lpCustColors As Long
flags As Long
lCustData As Long
lpfnHook As Long
lpTemplateName As Long
End Type
Private Declare Function ChooseColor Lib "COMDLG32.DLL" _
Alias "ChooseColorA" (Color As TCHOOSECOLOR) As Long
Public Enum EChooseColor
CC_RGBInit = &H1
CC_FullOpen = &H2
CC_PreventFullOpen = &H4
CC_ColorShowHelp = &H8
' Win95 only
CC_SolidColor = &H80
CC_AnyColor = &H100
' End Win95 only
CC_ENABLEHOOK = &H10
CC_ENABLETEMPLATE = &H20
CC_EnableTemplateHandle = &H40
End Enum
Private Declare Function GetSysColor Lib "user32" (ByVal nIndex As Long) As Long
Private Type TCHOOSEFONT
lStructSize As Long ' Filled with UDT size
hWndOwner As Long ' Caller's window handle
hDc As Long ' Printer DC/IC or NULL
lpLogFont As Long ' Pointer to LOGFONT
iPointSize As Long ' 10 * size in points of font
flags As Long ' Type flags
rgbColors As Long ' Returned text color
lCustData As Long ' Data passed to hook function
lpfnHook As Long ' Pointer to hook function
lpTemplateName As Long ' Custom template name
hInstance As Long ' Instance handle for template
lpszStyle As String ' Return style field
nFontType As Integer ' Font type bits
iAlign As Integer ' Filler
nSizeMin As Long ' Minimum point size allowed
nSizeMax As Long ' Maximum point size allowed
End Type
Private Declare Function ChooseFont Lib "COMDLG32" _
Alias "ChooseFontA" (chfont As TCHOOSEFONT) As Long
Private Const LF_FACESIZE = 32
Private Type LOGFONT
lfHeight As Long
lfWidth As Long
lfEscapement As Long
lfOrientation As Long
lfWeight As Long
lfItalic As Byte
lfUnderline As Byte
lfStrikeOut As Byte
lfCharSet As Byte
lfOutPrecision As Byte
lfClipPrecision As Byte
lfQuality As Byte
lfPitchAndFamily As Byte
lfFaceName(LF_FACESIZE) As Byte
End Type
Public Enum EChooseFont
CF_ScreenFonts = &H1
CF_PrinterFonts = &H2
CF_BOTH = &H3
CF_FontShowHelp = &H4
CF_UseStyle = &H80
CF_EFFECTS = &H100
CF_AnsiOnly = &H400
CF_NoVectorFonts = &H800
CF_NoOemFonts = CF_NoVectorFonts
CF_NoSimulations = &H1000
CF_LimitSize = &H2000
CF_FixedPitchOnly = &H4000
CF_WYSIWYG = &H8000 ' Must also have ScreenFonts And PrinterFonts
CF_ForceFontExist = &H10000
CF_ScalableOnly = &H20000
CF_TTOnly = &H40000
CF_NoFaceSel = &H80000
CF_NoStyleSel = &H100000
CF_NoSizeSel = &H200000
' Win95 only
CF_SelectScript = &H400000
CF_NoScriptSel = &H800000
CF_NoVertFonts = &H1000000
CF_InitToLogFontStruct = &H40
CF_Apply = &H200
CF_EnableHook = &H8
CF_EnableTemplate = &H10
CF_EnableTemplateHandle = &H20
CF_FontNotSupported = &H238
End Enum
' These are extra nFontType bits that are added to what is returned to the
' EnumFonts callback routine
Public Enum EFontType
Simulated_FontType = &H8000
Printer_FontType = &H4000
Screen_FontType = &H2000
Bold_FontType = &H100
Italic_FontType = &H200
Regular_FontType = &H400
End Enum
Private Type TPRINTDLG
lStructSize As Long
hWndOwner As Long
hDevMode As Long
hDevNames As Long
hDc As Long
flags As Long
nFromPage As Integer
nToPage As Integer
nMinPage As Integer
nMaxPage As Integer
nCopies As Integer
hInstance As Long
lCustData As Long
lpfnPrintHook As Long
lpfnSetupHook As Long
lpPrintTemplateName As Long
lpSetupTemplateName As Long
hPrintTemplate As Long
hSetupTemplate As Long
End Type
' DEVMODE collation selections
Private Const DMCOLLATE_FALSE = 0
Private Const DMCOLLATE_TRUE = 1
Private Declare Function PrintDlg Lib "COMDLG32.DLL" _
Alias "PrintDlgA" (prtdlg As TPRINTDLG) As Integer
Public Enum EPrintDialog
PD_ALLPAGES = &H0
PD_SELECTION = &H1
PD_PAGENUMS = &H2
PD_NOSELECTION = &H4
PD_NOPAGENUMS = &H8
PD_COLLATE = &H10
PD_PRINTTOFILE = &H20
PD_PRINTSETUP = &H40
PD_NOWARNING = &H80
PD_RETURNDC = &H100
PD_RETURNIC = &H200
PD_RETURNDEFAULT = &H400
PD_SHOWHELP = &H800
PD_ENABLEPRINTHOOK = &H1000
PD_ENABLESETUPHOOK = &H2000
PD_ENABLEPRINTTEMPLATE = &H4000
PD_ENABLESETUPTEMPLATE = &H8000
PD_ENABLEPRINTTEMPLATEHANDLE = &H10000
PD_ENABLESETUPTEMPLATEHANDLE = &H20000
PD_USEDEVMODECOPIES = &H40000
PD_USEDEVMODECOPIESANDCOLLATE = &H40000
PD_DISABLEPRINTTOFILE = &H80000
PD_HIDEPRINTTOFILE = &H100000
PD_NONETWORKBUTTON = &H200000
End Enum
Private Type DEVNAMES
wDriverOffset As Integer
wDeviceOffset As Integer
wOutputOffset As Integer
wDefault As Integer
End Type
Private Const CCHDEVICENAME = 32
Private Const CCHFORMNAME = 32
Private Type DEVMODE
dmDeviceName As String * CCHDEVICENAME
dmSpecVersion As Integer
dmDriverVersion As Integer
dmSize As Integer
dmDriverExtra As Integer
dmFields As Long
dmOrientation As Integer
dmPaperSize As Integer
dmPaperLength As Integer
dmPaperWidth As Integer
dmScale As Integer
dmCopies As Integer
dmDefaultSource As Integer
dmPrintQuality As Integer
dmColor As Integer
dmDuplex As Integer
dmYResolution As Integer
dmTTOption As Integer
dmCollate As Integer
dmFormName As String * CCHFORMNAME
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type
' New Win95 Page Setup dialogs are up to you
Private Type POINTL
x As Long
Y As Long
End Type
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Type TPAGESETUPDLG
lStructSize As Long
hWndOwner As Long
hDevMode As Long
hDevNames As Long
flags As Long
ptPaperSize As POINTL
rtMinMargin As RECT
rtMargin As RECT
hInstance As Long
lCustData As Long
lpfnPageSetupHook As Long
lpfnPagePaintHook As Long
lpPageSetupTemplateName As Long
hPageSetupTemplate As Long
End Type
' EPaperSize constants same as vbPRPS constants
Public Enum EPaperSize
epsLetter = 1 ' Letter, 8 1/2 x 11 in.
epsLetterSmall ' Letter Small, 8 1/2 x 11 in.
epsTabloid ' Tabloid, 11 x 17 in.
epsLedger ' Ledger, 17 x 11 in.
epsLegal ' Legal, 8 1/2 x 14 in.
epsStatement ' Statement, 5 1/2 x 8 1/2 in.
epsExecutive ' Executive, 7 1/2 x 10 1/2 in.
epsA3 ' A3, 297 x 420 mm
epsA4 ' A4, 210 x 297 mm
epsA4Small ' A4 Small, 210 x 297 mm
epsA5 ' A5, 148 x 210 mm
epsB4 ' B4, 250 x 354 mm
epsB5 ' B5, 182 x 257 mm
epsFolio ' Folio, 8 1/2 x 13 in.
epsQuarto ' Quarto, 215 x 275 mm
eps10x14 ' 10 x 14 in.
eps11x17 ' 11 x 17 in.
epsNote ' Note, 8 1/2 x 11 in.
epsEnv9 ' Envelope #9, 3 7/8 x 8 7/8 in.
epsEnv10 ' Envelope #10, 4 1/8 x 9 1/2 in.
epsEnv11 ' Envelope #11, 4 1/2 x 10 3/8 in.
epsEnv12 ' Envelope #12, 4 1/2 x 11 in.
epsEnv14 ' Envelope #14, 5 x 11 1/2 in.
epsCSheet ' C size sheet
epsDSheet ' D size sheet
epsESheet ' E size sheet
epsEnvDL ' Envelope DL, 110 x 220 mm
epsEnvC3 ' Envelope C3, 324 x 458 mm
epsEnvC4 ' Envelope C4, 229 x 324 mm
epsEnvC5 ' Envelope C5, 162 x 229 mm
epsEnvC6 ' Envelope C6, 114 x 162 mm
epsEnvC65 ' Envelope C65, 114 x 229 mm
epsEnvB4 ' Envelope B4, 250 x 353 mm
epsEnvB5 ' Envelope B5, 176 x 250 mm
epsEnvB6 ' Envelope B6, 176 x 125 mm
epsEnvItaly ' Envelope, 110 x 230 mm
epsenvmonarch ' Envelope Monarch, 3 7/8 x 7 1/2 in.
epsEnvPersonal ' Envelope, 3 5/8 x 6 1/2 in.
epsFanfoldUS ' U.S. Standard Fanfold, 14 7/8 x 11 in.
epsFanfoldStdGerman ' German Standard Fanfold, 8 1/2 x 12 in.
epsFanfoldLglGerman ' German Legal Fanfold, 8 1/2 x 13 in.
epsUser = 256 ' User-defined
End Enum
' EPrintQuality constants same as vbPRPQ constants
Public Enum EPrintQuality
epqDraft = -1
epqLow = -2
epqMedium = -3
epqHigh = -4
End Enum
Public Enum EOrientation
eoPortrait = 1
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
' Hook and notification support:
Private Type NMHDR
hwndFrom As Long
idfrom As Long
code As Long
End Type
'// Structure used for all file based OpenFileName notifications
Private Type OFNOTIFY
hdr As NMHDR
lpOFN As Long ' Long pointer to OFN structure
pszFile As String '; // May be NULL
End Type
'// Structure used for all object based OpenFileName notifications
Private Type OFNOTIFYEX
hdr As NMHDR
lpOFN As Long ' Long pointer to OFN structure
psf As Long
LPVOID As Long '// May be NULL
End Type
Private Type OFNOTIFYshort
hdr As NMHDR
lpOFN As Long
End Type
' Messages:
Private Const WM_INITDIALOG = &H110
Private Const WM_NOTIFY = &H4E
Private Const WM_USER = &H400
Private Const WM_GETDLGCODE = &H87
Private Const WM_NCDESTROY = &H82
' Notification codes:
Private Const H_MAX As Long = &HFFFF + 1
Private Const CDN_FIRST = (H_MAX - 601)
Private Const CDN_LAST = (H_MAX - 699)
'// Notifications when Open or Save dialog status changes
Private Const CDN_INITDONE = (CDN_FIRST - &H0)
Private Const CDN_SELCHANGE = (CDN_FIRST - &H1)
Private Const CDN_FOLDERCHANGE = (CDN_FIRST - &H2)
Private Const CDN_SHAREVIOLATION = (CDN_FIRST - &H3)
Private Const CDN_HELP = (CDN_FIRST - &H4)
Private Const CDN_FILEOK = (CDN_FIRST - &H5)
Private Const CDN_TYPECHANGE = (CDN_FIRST - &H6)
Private Const CDN_INCLUDEITEM = (CDN_FIRST - &H7)
Private Const CDM_FIRST = (WM_USER + 100)
Private Const CDM_LAST = (WM_USER + 200)
Private Const DWL_MSGRESULT = 0
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
' ==========================================================================
' Implementation:
' ==========================================================================
' 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
Private m_oEventSink As Object
Public Function DialogHook( _
ByVal hDlg As Long, _
ByVal Msg As Long, _
ByVal wParam As Long, _
ByVal lParam As Long _
)
Dim tNMH As NMHDR
Dim tOFNs As OFNOTIFYshort
Dim tOF As OPENFILENAME
If Not (m_oEventSink Is Nothing) Then
Select Case Msg
Case WM_INITDIALOG
DialogHook = m_oEventSink.InitDialog(hDlg)
Case WM_NOTIFY
CopyMemory tNMH, ByVal lParam, Len(tNMH)
Select Case tNMH.code
Case CDN_SELCHANGE
' Changed selected file:
DialogHook = m_oEventSink.FileChange(hDlg)
Case CDN_FOLDERCHANGE
' Changed folder:
DialogHook = m_oEventSink.FolderChange(hDlg)
Case CDN_FILEOK
' Clicked OK:
If Not m_oEventSink.ConfirmOK() Then
SetWindowLong hDlg, DWL_MSGRESULT, 1
DialogHook = 1
Else
SetWindowLong hDlg, DWL_MSGRESULT, 0
End If
Case CDN_HELP
' Help clicked
Case CDN_TYPECHANGE
DialogHook = m_oEventSink.TypeChange(hDlg)
Case CDN_INCLUDEITEM
' Hmmm
End Select
Case WM_NCDESTROY
m_oEventSink.DialogClose
End Select
End If
End Function
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
Private Sub Class_Initialize()
InitColors
DIALOGSHOW = True 'GLOBAL
End Sub
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$(MAX_FILE - Len(FileTitle), 0)
.lpstrFileTitle = s
.nMaxFileTitle = MAX_FILE
' All other fields set to zero
m_lApiReturn = GetOpenFileName(opfile)
Set m_oEventSink = Nothing
Select Case m_lApiReturn
Case 1
' Success
VBGetOpenFileName = True
Filename = StrZToStr(.lpstrFile)
FileTitle = StrZToStr(.lpstrFileTitle)
flags = .flags
' Return the filter index
FilterIndex = .nFilterIndex
' Look up the filter the user selected and return that
Filter = FilterLookup(.lpstrFilter, FilterIndex)
If (.flags And OFN_READONLY) Then ReadOnly = True
Case 0
' Cancelled
VBGetOpenFileName = False
Filename = ""
FileTitle = ""
flags = 0
FilterIndex = -1
Filter = ""
Case Else
' Extended error
m_lExtendedError = CommDlgExtendedError()
VBGetOpenFileName = False
Filename = ""
FileTitle = ""
flags = 0
FilterIndex = -1
Filter = ""
End Select
Set m_oEventSink = Nothing
End With
While mouse <> 0
Sleep 1
Wend
End Function
Private Function lHookAddress(lPtr As Long) As Long
lHookAddress = lPtr
End Function
Private Function StrZToStr(s As String) As String
StrZToStr = Left$(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$(MAX_FILE - Len(FileTitle), 0)
.lpstrFileTitle = s
.nMaxFileTitle = MAX_FILE
' All other fields zero
m_lApiReturn = GetSaveFileName(opfile)
Set m_oEventSink = Nothing
Select Case m_lApiReturn
Case 1
VBGetSaveFileName = True
Filename = StrZToStr(.lpstrFile)
FileTitle = StrZToStr(.lpstrFileTitle)
flags = .flags
' Return the filter index
FilterIndex = .nFilterIndex
' Look up the filter the user selected and return that
Filter = FilterLookup(.lpstrFilter, FilterIndex)
Case 0
' Cancelled:
VBGetSaveFileName = False
Filename = ""
FileTitle = ""
flags = 0
FilterIndex = 0
Filter = ""
Case Else
' Extended error:
VBGetSaveFileName = False
m_lExtendedError = CommDlgExtendedError()
Filename = ""
FileTitle = ""
flags = 0
FilterIndex = 0
Filter = ""
End Select
End With
While mouse <> 0
Sleep 1
Wend
End Function
Private Function FilterLookup(ByVal sFilters As String, ByVal iCur As Long) As String
Dim iStart As Long, iEnd As Long, s As String
iStart = 1
If sFilters = "" Then Exit Function
Do
' Cut out both parts marked by null character
iEnd = InStr(iStart, sFilters, vbNullChar)
If iEnd = 0 Then Exit Function
iEnd = InStr(iEnd + 1, sFilters, vbNullChar)
If iEnd Then
s = Mid$(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)
Set m_oEventSink = Nothing
Select Case m_lApiReturn
Case 1
' Success
VBChooseColor = True
Color = chclr.rgbResult
Case 0
' Cancelled
VBChooseColor = False
Color = -1
Case Else
' Extended error
m_lExtendedError = CommDlgExtendedError()
VBChooseColor = False
Color = -1
End Select
While mouse <> 0
Sleep 1
Wend
End Function
Friend Sub InitColors()
Dim i As Integer
' Initialize with first 16 system interface colors
For i = 0 To 15
alCustom(i) = GetSysColor(i)
Next
fNotFirst = True
End Sub
' Property to read or modify custom colors (use to save colors in registry)
Public Property Get CustomColor(i As Integer) As Long
' If first time, initialize to white
If fNotFirst = False Then InitColors
If i >= 0 And i <= 15 Then
CustomColor = alCustom(i)
Else
CustomColor = -1
End If
End Property
Public Property Let CustomColor(i As Integer, iValue As Long)
' If first time, initialize to system colors
If fNotFirst = False Then InitColors
If i >= 0 And i <= 15 Then
alCustom(i) = iValue
End If
End Property
' ChooseFont wrapper
Function VBChooseFont(CurFont As Font, _
Optional PrinterDC As Long = -1, _
Optional Owner As Long = -1, _
Optional Color As Long = vbBlack, _
Optional MinSize As Long = 0, _
Optional MaxSize As Long = 0, _
Optional flags As Long = 0 _
) As Boolean
m_lApiReturn = 0
m_lExtendedError = 0
' Unwanted Flags bits
Const CF_FontNotSupported = CF_Apply Or CF_EnableHook Or CF_EnableTemplate
' Flags can get reference variable or constant with bit flags
' PrinterDC can take printer DC
If PrinterDC = -1 Then
PrinterDC = 0
If flags And CF_PrinterFonts Then PrinterDC = Printer.hDc
Else
flags = flags Or CF_PrinterFonts
End If
' Must have some fonts
If (flags And CF_PrinterFonts) = 0 Then flags = flags Or CF_ScreenFonts
' Color can take initial color, receive chosen color
If Color <> vbBlack Then flags = flags Or CF_EFFECTS
' MinSize can be minimum size accepted
If MinSize Then flags = flags Or CF_LimitSize
' MaxSize can be maximum size accepted
If MaxSize Then flags = flags Or CF_LimitSize
' Put in required internal flags and remove unsupported
flags = (flags Or CF_InitToLogFontStruct) And Not CF_FontNotSupported
' Initialize LOGFONT variable
Dim fnt As LOGFONT
Const PointsPerTwip = 1440 / 72
fnt.lfHeight = -(CurFont.Size * (PointsPerTwip / DYP))
fnt.lfWeight = CurFont.Weight
fnt.lfItalic = CurFont.Italic
fnt.lfUnderline = CurFont.Underline
fnt.lfStrikeOut = CurFont.Strikethrough
' Other fields zero
StrToBytes fnt.lfFaceName, CurFont.name
' Initialize TCHOOSEFONT variable
Dim cf As TCHOOSEFONT
cf.lStructSize = Len(cf)
If Owner <> -1 Then cf.hWndOwner = Owner
cf.hDc = PrinterDC
cf.lpLogFont = VarPtr(fnt)
cf.iPointSize = CurFont.Size * 10
cf.flags = flags
cf.rgbColors = Color
cf.nSizeMin = MinSize
cf.nSizeMax = MaxSize
' All other fields zero
m_lApiReturn = ChooseFont(cf)
Set m_oEventSink = Nothing
Select Case m_lApiReturn