DeletePrinterDriverPackageW

// winspool.drv  (Unicode / -W)
#include <windows.h>

HRESULT DeletePrinterDriverPackageW(
    LPCWSTR pszServer,   // optional
    LPCWSTR pszInfPath,
    LPCWSTR pszEnvironment   // optional
);

<DllImport("winspool.drv", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DeletePrinterDriverPackageW(
    <MarshalAs(UnmanagedType.LPWStr)> pszServer As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszInfPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszEnvironment As String   ' LPCWSTR optional
) As Integer
End Function

' pszServer : LPCWSTR optional
' pszInfPath : LPCWSTR
' pszEnvironment : LPCWSTR optional
Declare PtrSafe Function DeletePrinterDriverPackageW Lib "winspool.drv" ( _
    ByVal pszServer As LongPtr, _
    ByVal pszInfPath As LongPtr, _
    ByVal pszEnvironment As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DeletePrinterDriverPackageW = ctypes.windll.LoadLibrary("winspool.drv").DeletePrinterDriverPackageW
DeletePrinterDriverPackageW.restype = ctypes.c_int
DeletePrinterDriverPackageW.argtypes = [
    wintypes.LPCWSTR,  # pszServer : LPCWSTR optional
    wintypes.LPCWSTR,  # pszInfPath : LPCWSTR
    wintypes.LPCWSTR,  # pszEnvironment : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
DeletePrinterDriverPackageW = Fiddle::Function.new(
  lib['DeletePrinterDriverPackageW'],
  [
    Fiddle::TYPE_VOIDP,  # pszServer : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszInfPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszEnvironment : LPCWSTR optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winspool.drv")]
extern "system" {
    fn DeletePrinterDriverPackageW(
        pszServer: *const u16,  // LPCWSTR optional
        pszInfPath: *const u16,  // LPCWSTR
        pszEnvironment: *const u16  // LPCWSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Unicode)]
public static extern int DeletePrinterDriverPackageW([MarshalAs(UnmanagedType.LPWStr)] string pszServer, [MarshalAs(UnmanagedType.LPWStr)] string pszInfPath, [MarshalAs(UnmanagedType.LPWStr)] string pszEnvironment);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_DeletePrinterDriverPackageW' -Namespace Win32 -PassThru
# $api::DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)

#uselib "winspool.drv"
#func global DeletePrinterDriverPackageW "DeletePrinterDriverPackageW" wptr, wptr, wptr
; DeletePrinterDriverPackageW pszServer, pszInfPath, pszEnvironment   ; 戻り値は stat
; pszServer : LPCWSTR optional -> "wptr"
; pszInfPath : LPCWSTR -> "wptr"
; pszEnvironment : LPCWSTR optional -> "wptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "winspool.drv"
#cfunc global DeletePrinterDriverPackageW "DeletePrinterDriverPackageW" wstr, wstr, wstr
; res = DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
; pszServer : LPCWSTR optional -> "wstr"
; pszInfPath : LPCWSTR -> "wstr"
; pszEnvironment : LPCWSTR optional -> "wstr"

; HRESULT DeletePrinterDriverPackageW(LPCWSTR pszServer, LPCWSTR pszInfPath, LPCWSTR pszEnvironment)
#uselib "winspool.drv"
#cfunc global DeletePrinterDriverPackageW "DeletePrinterDriverPackageW" wstr, wstr, wstr
; res = DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
; pszServer : LPCWSTR optional -> "wstr"
; pszInfPath : LPCWSTR -> "wstr"
; pszEnvironment : LPCWSTR optional -> "wstr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procDeletePrinterDriverPackageW = winspool_drv.NewProc("DeletePrinterDriverPackageW")
)

// pszServer (LPCWSTR optional), pszInfPath (LPCWSTR), pszEnvironment (LPCWSTR optional)
r1, _, err := procDeletePrinterDriverPackageW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszServer))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszInfPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszEnvironment))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DeletePrinterDriverPackageW(
  pszServer: PWideChar;   // LPCWSTR optional
  pszInfPath: PWideChar;   // LPCWSTR
  pszEnvironment: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'winspool.drv' name 'DeletePrinterDriverPackageW';

result := DllCall("winspool.drv\DeletePrinterDriverPackageW"
    , "WStr", pszServer   ; LPCWSTR optional
    , "WStr", pszInfPath   ; LPCWSTR
    , "WStr", pszEnvironment   ; LPCWSTR optional
    , "Int")   ; return: HRESULT

●DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment) = DLL("winspool.drv", "int DeletePrinterDriverPackageW(char*, char*, char*)")
# 呼び出し: DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
# pszServer : LPCWSTR optional -> "char*"
# pszInfPath : LPCWSTR -> "char*"
# pszEnvironment : LPCWSTR optional -> "char*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。