WTSSetRenderHint

// WTSAPI32.dll
#include <windows.h>

HRESULT WTSSetRenderHint(
    ULONGLONG* pRenderHintID,
    HWND hwndOwner,
    DWORD renderHintType,
    DWORD cbHintDataLength,
    BYTE* pHintData   // optional
);

<DllImport("WTSAPI32.dll", ExactSpelling:=True)>
Public Shared Function WTSSetRenderHint(
    ByRef pRenderHintID As ULong,   ' ULONGLONG* in/out
    hwndOwner As IntPtr,   ' HWND
    renderHintType As UInteger,   ' DWORD
    cbHintDataLength As UInteger,   ' DWORD
    pHintData As IntPtr   ' BYTE* optional
) As Integer
End Function

' pRenderHintID : ULONGLONG* in/out
' hwndOwner : HWND
' renderHintType : DWORD
' cbHintDataLength : DWORD
' pHintData : BYTE* optional
Declare PtrSafe Function WTSSetRenderHint Lib "wtsapi32" ( _
    ByRef pRenderHintID As LongLong, _
    ByVal hwndOwner As LongPtr, _
    ByVal renderHintType As Long, _
    ByVal cbHintDataLength As Long, _
    ByVal pHintData As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WTSSetRenderHint = ctypes.windll.wtsapi32.WTSSetRenderHint
WTSSetRenderHint.restype = ctypes.c_int
WTSSetRenderHint.argtypes = [
    ctypes.POINTER(ctypes.c_ulonglong),  # pRenderHintID : ULONGLONG* in/out
    wintypes.HANDLE,  # hwndOwner : HWND
    wintypes.DWORD,  # renderHintType : DWORD
    wintypes.DWORD,  # cbHintDataLength : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pHintData : BYTE* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WTSAPI32.dll')
WTSSetRenderHint = Fiddle::Function.new(
  lib['WTSSetRenderHint'],
  [
    Fiddle::TYPE_VOIDP,  # pRenderHintID : ULONGLONG* in/out
    Fiddle::TYPE_VOIDP,  # hwndOwner : HWND
    -Fiddle::TYPE_INT,  # renderHintType : DWORD
    -Fiddle::TYPE_INT,  # cbHintDataLength : DWORD
    Fiddle::TYPE_VOIDP,  # pHintData : BYTE* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "wtsapi32")]
extern "system" {
    fn WTSSetRenderHint(
        pRenderHintID: *mut u64,  // ULONGLONG* in/out
        hwndOwner: *mut core::ffi::c_void,  // HWND
        renderHintType: u32,  // DWORD
        cbHintDataLength: u32,  // DWORD
        pHintData: *mut u8  // BYTE* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WTSAPI32.dll")]
public static extern int WTSSetRenderHint(ref ulong pRenderHintID, IntPtr hwndOwner, uint renderHintType, uint cbHintDataLength, IntPtr pHintData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WTSAPI32_WTSSetRenderHint' -Namespace Win32 -PassThru
# $api::WTSSetRenderHint(pRenderHintID, hwndOwner, renderHintType, cbHintDataLength, pHintData)

#uselib "WTSAPI32.dll"
#func global WTSSetRenderHint "WTSSetRenderHint" sptr, sptr, sptr, sptr, sptr
; WTSSetRenderHint varptr(pRenderHintID), hwndOwner, renderHintType, cbHintDataLength, varptr(pHintData)   ; 戻り値は stat
; pRenderHintID : ULONGLONG* in/out -> "sptr"
; hwndOwner : HWND -> "sptr"
; renderHintType : DWORD -> "sptr"
; cbHintDataLength : DWORD -> "sptr"
; pHintData : BYTE* optional -> "sptr"
; ※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 "WTSAPI32.dll"
#cfunc global WTSSetRenderHint "WTSSetRenderHint" var, sptr, int, int, var
; res = WTSSetRenderHint(pRenderHintID, hwndOwner, renderHintType, cbHintDataLength, pHintData)
; pRenderHintID : ULONGLONG* in/out -> "var"
; hwndOwner : HWND -> "sptr"
; renderHintType : DWORD -> "int"
; cbHintDataLength : DWORD -> "int"
; pHintData : BYTE* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT WTSSetRenderHint(ULONGLONG* pRenderHintID, HWND hwndOwner, DWORD renderHintType, DWORD cbHintDataLength, BYTE* pHintData)
#uselib "WTSAPI32.dll"
#cfunc global WTSSetRenderHint "WTSSetRenderHint" var, intptr, int, int, var
; res = WTSSetRenderHint(pRenderHintID, hwndOwner, renderHintType, cbHintDataLength, pHintData)
; pRenderHintID : ULONGLONG* in/out -> "var"
; hwndOwner : HWND -> "intptr"
; renderHintType : DWORD -> "int"
; cbHintDataLength : DWORD -> "int"
; pHintData : BYTE* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	wtsapi32 = windows.NewLazySystemDLL("WTSAPI32.dll")
	procWTSSetRenderHint = wtsapi32.NewProc("WTSSetRenderHint")
)

// pRenderHintID (ULONGLONG* in/out), hwndOwner (HWND), renderHintType (DWORD), cbHintDataLength (DWORD), pHintData (BYTE* optional)
r1, _, err := procWTSSetRenderHint.Call(
	uintptr(pRenderHintID),
	uintptr(hwndOwner),
	uintptr(renderHintType),
	uintptr(cbHintDataLength),
	uintptr(pHintData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WTSSetRenderHint(
  pRenderHintID: Pointer;   // ULONGLONG* in/out
  hwndOwner: THandle;   // HWND
  renderHintType: DWORD;   // DWORD
  cbHintDataLength: DWORD;   // DWORD
  pHintData: Pointer   // BYTE* optional
): Integer; stdcall;
  external 'WTSAPI32.dll' name 'WTSSetRenderHint';

result := DllCall("WTSAPI32\WTSSetRenderHint"
    , "Ptr", pRenderHintID   ; ULONGLONG* in/out
    , "Ptr", hwndOwner   ; HWND
    , "UInt", renderHintType   ; DWORD
    , "UInt", cbHintDataLength   ; DWORD
    , "Ptr", pHintData   ; BYTE* optional
    , "Int")   ; return: HRESULT

●WTSSetRenderHint(pRenderHintID, hwndOwner, renderHintType, cbHintDataLength, pHintData) = DLL("WTSAPI32.dll", "int WTSSetRenderHint(void*, void*, dword, dword, void*)")
# 呼び出し: WTSSetRenderHint(pRenderHintID, hwndOwner, renderHintType, cbHintDataLength, pHintData)
# pRenderHintID : ULONGLONG* in/out -> "void*"
# hwndOwner : HWND -> "void*"
# renderHintType : DWORD -> "dword"
# cbHintDataLength : DWORD -> "dword"
# pHintData : BYTE* optional -> "void*"
# 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)。