Function StripNulls(OriginalStr As String) As String
If (InStr(OriginalStr, Chr(0)) > 0) Then
OriginalStr = Left(OriginalStr, InStr(OriginalStr, Chr(0)) - 1)
End If
StripNulls = Trim(OriginalStr)
End Function

Function ByteToString(ByteArray() As Byte) As String
Dim TempStr As String
Dim I As Integer

For I = 1 To CCHDEVICENAME
TempStr = TempStr & Chr(ByteArray(I))
Next I
ByteToString = StripNulls(TempStr)
End Function

Function GetPrinterSettings(szPrinterName As String, hdc As Long) _
As Boolean
Dim hPrinter As Long
Dim nSize As Long
Dim pDevMode As DEVMODE
Dim aDevMode() As Byte
Dim TempStr As String

If OpenPrinter(szPrinterName, hPrinter, NULLPTR) Then
nSize = DocumentProperties(NULLPTR, hPrinter, szPrinterName, _
NULLPTR, NULLPTR, 0)
ReDim aDevMode(1 To nSize)
nSize = DocumentProperties(NULLPTR, hPrinter, szPrinterName, _
aDevMode(1), NULLPTR, DM_OUT_BUFFER)
Call CopyMemory(pDevMode, aDevMode(1), Len(pDevMode))

List1.Clear ' empty the ListBox
List1.AddItem "Printer Name: " & _
ByteToString(pDevMode.dmDeviceName)

If pDevMode.dmOrientation = DMORIENT_PORTRAIT Then
TempStr = "PORTRAIT"
ElseIf pDevMode.dmOrientation = DMORIENT_LANDSCAPE Then
TempStr = "LANDSCAPE"
Else
TempStr = "UNDEFINED"
End If
List1.AddItem "Orientation: " & TempStr

Select Case pDevMode.dmPrintQuality
Case DMRES_DRAFT
TempStr = "DRAFT"
Case DMRES_HIGH
TempStr = "HIGH"
Case DMRES_LOW
TempStr = "LOW"
Case DMRES_MEDIUM
TempStr = "MEDIUM"
Case Else ' positive value
TempStr = CStr(pDevMode.dmPrintQuality) & " dpi"
End Select
List1.AddItem "Print Quality: " & TempStr

Select Case pDevMode.dmTTOption
Case DMTT_BITMAP ' default for dot-matrix printers
TempStr = "TrueType fonts as graphics"
Case DMTT_DOWNLOAD ' default for HP printers that use PCL
TempStr = "Downloads TrueType fonts as soft fonts"
Case DMTT_SUBDEV ' default for PostScript printers
TempStr = "Substitute device fonts for TrueType fonts"
Case Else
TempStr = "UNDEFINED"
End Select
List1.AddItem "TrueType Option: " & TempStr

' Windows NT drivers often return COLOR from Monochrome printers
If pDevMode.dmColor = DMCOLOR_MONOCHROME Then
TempStr = "MONOCHROME"
ElseIf pDevMode.dmColor = DMCOLOR_COLOR Then
TempStr = "COLOR"
Else
TempStr = "UNDEFINED"
End If
List1.AddItem "Color or Monochrome: " & TempStr

If pDevMode.dmScale = 0 Then
TempStr = "NONE"
Else
TempStr = CStr(pDevMode.dmScale)
End If
List1.AddItem "Scale Factor: " & TempStr

List1.AddItem "Y Resolution: " & pDevMode.dmYResolution & " dpi"
List1.AddItem "Copies: " & CStr(pDevMode.dmCopies)
' Add any other items of interest ...

Call ClosePrinter(hPrinter)
GetPrinterSettings = True
Else
GetPrinterSettings = False
End If
End Function

Private Sub Command1_Click()
If GetPrinterSettings(Printer.DeviceName, Printer.hdc) = False Then
List1.AddItem "No Settings Retrieved!"
End If
End Sub