Option Explicit
Private Declare PtrSafe Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" (ByVal hKey As LongPtr, ByVal lpSubKey As String, ByVal ulOptions As Long, ByVal samDesired As Long, phkResult As LongPtr) As Long
Private Declare PtrSafe Function RegEnumValue Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hKey As LongPtr, ByVal dwIndex As Long, ByVal lpValueName As String, lpcbValueName As Long, ByVal lpReserved As LongPtr, lpType As Long, lpData As Byte, lpcbData As Long) As Long
Private Declare PtrSafe Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As LongPtr) As Long
Private Const HKEY_CURRENT_USER As Long = &H80000001
Private Const HKCU = HKEY_CURRENT_USER
Private Const PRINTER_KEY = "Software\Microsoft\Windows NT\CurrentVersion\Devices"
Private Const KEY_QUERY_VALUE = &H1&
Private Const ERROR_NO_MORE_ITEMS = &H103
Private Const ERROR_MORE_DATA = &HEA
Sub test()
Dim t, i&
t = GetPrintersList
MsgBox Join(t, vbCrLf)
End Sub
Sub test2()
Dim t, i&
t = GetPrintersList
MsgBox Join(t, vbCrLf)
For i = LBound(t) To UBound(t)
If Not t(i) Like "*Nul*" Then Application.ActivePrinter = t(i)
MsgBox Application.ActivePrinter
Next i
End Sub
Public Function GetPrintersList() As String()
Dim Printers$(), PrinterIndex&, hKey As LongPtr, Res&, IndexKey&, PrinterName$, LenName&, DataType&, ValueValue() As Byte, i&, t$, a&, b&: t = ""
PrinterIndex = 0
IndexKey = 0
PrinterName = String$(256, Chr(0))
LenName = 255
ReDim ValueValue(0 To 500)
ReDim Printers(1 To 20)
Res = RegOpenKeyEx(HKCU, PRINTER_KEY, 0&, KEY_QUERY_VALUE, hKey)
Res = RegEnumValue(hKey, IndexKey, PrinterName, LenName, 0&, DataType, ValueValue(0), 1000)
Do Until Res = ERROR_NO_MORE_ITEMS
PrinterName = Split(PrinterName, Chr(0))(0)
a = InStr(1, ValueValue, ","): b = InStr(1, ValueValue, ":")
t = ""
For i = a To b: t = t & Chr(ValueValue(i)): Next
If Trim(t) = "" Then t = " Null"
PrinterIndex = PrinterIndex + 1
Printers(PrinterIndex) = Application.Trim(PrinterName & " sur " & t)
PrinterName = String(255, Chr(0))
LenName = 255
ReDim ValueValue(0 To 500)
IndexKey = IndexKey + 1
Res = RegEnumValue(hKey, IndexKey, PrinterName, LenName, 0&, DataType, ValueValue(0), 1000)
If (Res <> 0) And (Res <> ERROR_MORE_DATA) Then Exit Do
Loop
ReDim Preserve Printers(1 To PrinterIndex)
Res = RegCloseKey(hKey)
GetPrintersList = Printers
End Function