D3DPERF_BeginEvent

// d3d9.dll
#include <windows.h>

INT D3DPERF_BeginEvent(
    DWORD col,
    LPCWSTR wszName
);

<DllImport("d3d9.dll", ExactSpelling:=True)>
Public Shared Function D3DPERF_BeginEvent(
    col As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> wszName As String   ' LPCWSTR
) As Integer
End Function

' col : DWORD
' wszName : LPCWSTR
Declare PtrSafe Function D3DPERF_BeginEvent Lib "d3d9" ( _
    ByVal col As Long, _
    ByVal wszName 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

D3DPERF_BeginEvent = ctypes.windll.d3d9.D3DPERF_BeginEvent
D3DPERF_BeginEvent.restype = ctypes.c_int
D3DPERF_BeginEvent.argtypes = [
    wintypes.DWORD,  # col : DWORD
    wintypes.LPCWSTR,  # wszName : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('d3d9.dll')
D3DPERF_BeginEvent = Fiddle::Function.new(
  lib['D3DPERF_BeginEvent'],
  [
    -Fiddle::TYPE_INT,  # col : DWORD
    Fiddle::TYPE_VOIDP,  # wszName : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "d3d9")]
extern "system" {
    fn D3DPERF_BeginEvent(
        col: u32,  // DWORD
        wszName: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("d3d9.dll")]
public static extern int D3DPERF_BeginEvent(uint col, [MarshalAs(UnmanagedType.LPWStr)] string wszName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'd3d9_D3DPERF_BeginEvent' -Namespace Win32 -PassThru
# $api::D3DPERF_BeginEvent(col, wszName)

#uselib "d3d9.dll"
#func global D3DPERF_BeginEvent "D3DPERF_BeginEvent" sptr, sptr
; D3DPERF_BeginEvent col, wszName   ; 戻り値は stat
; col : DWORD -> "sptr"
; wszName : LPCWSTR -> "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 "d3d9.dll"
#cfunc global D3DPERF_BeginEvent "D3DPERF_BeginEvent" int, wstr
; res = D3DPERF_BeginEvent(col, wszName)
; col : DWORD -> "int"
; wszName : LPCWSTR -> "wstr"

; INT D3DPERF_BeginEvent(DWORD col, LPCWSTR wszName)
#uselib "d3d9.dll"
#cfunc global D3DPERF_BeginEvent "D3DPERF_BeginEvent" int, wstr
; res = D3DPERF_BeginEvent(col, wszName)
; col : DWORD -> "int"
; wszName : LPCWSTR -> "wstr"

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

var (
	d3d9 = windows.NewLazySystemDLL("d3d9.dll")
	procD3DPERF_BeginEvent = d3d9.NewProc("D3DPERF_BeginEvent")
)

// col (DWORD), wszName (LPCWSTR)
r1, _, err := procD3DPERF_BeginEvent.Call(
	uintptr(col),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function D3DPERF_BeginEvent(
  col: DWORD;   // DWORD
  wszName: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'd3d9.dll' name 'D3DPERF_BeginEvent';

result := DllCall("d3d9\D3DPERF_BeginEvent"
    , "UInt", col   ; DWORD
    , "WStr", wszName   ; LPCWSTR
    , "Int")   ; return: INT

●D3DPERF_BeginEvent(col, wszName) = DLL("d3d9.dll", "int D3DPERF_BeginEvent(dword, char*)")
# 呼び出し: D3DPERF_BeginEvent(col, wszName)
# col : DWORD -> "dword"
# wszName : LPCWSTR -> "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)。