InitPropVariantFromFloat

// SensorsUtilsV2.dll
#include <windows.h>

HRESULT InitPropVariantFromFloat(
    FLOAT fltVal,
    PROPVARIANT* ppropvar
);

<DllImport("SensorsUtilsV2.dll", ExactSpelling:=True)>
Public Shared Function InitPropVariantFromFloat(
    fltVal As Single,   ' FLOAT
    ppropvar As IntPtr   ' PROPVARIANT* out
) As Integer
End Function

' fltVal : FLOAT
' ppropvar : PROPVARIANT* out
Declare PtrSafe Function InitPropVariantFromFloat Lib "sensorsutilsv2" ( _
    ByVal fltVal As Single, _
    ByVal ppropvar 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

InitPropVariantFromFloat = ctypes.windll.sensorsutilsv2.InitPropVariantFromFloat
InitPropVariantFromFloat.restype = ctypes.c_int
InitPropVariantFromFloat.argtypes = [
    ctypes.c_float,  # fltVal : FLOAT
    ctypes.c_void_p,  # ppropvar : PROPVARIANT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SensorsUtilsV2.dll')
InitPropVariantFromFloat = Fiddle::Function.new(
  lib['InitPropVariantFromFloat'],
  [
    Fiddle::TYPE_FLOAT,  # fltVal : FLOAT
    Fiddle::TYPE_VOIDP,  # ppropvar : PROPVARIANT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "sensorsutilsv2")]
extern "system" {
    fn InitPropVariantFromFloat(
        fltVal: f32,  // FLOAT
        ppropvar: *mut PROPVARIANT  // PROPVARIANT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SensorsUtilsV2.dll")]
public static extern int InitPropVariantFromFloat(float fltVal, IntPtr ppropvar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SensorsUtilsV2_InitPropVariantFromFloat' -Namespace Win32 -PassThru
# $api::InitPropVariantFromFloat(fltVal, ppropvar)

#uselib "SensorsUtilsV2.dll"
#func global InitPropVariantFromFloat "InitPropVariantFromFloat" float, sptr
; InitPropVariantFromFloat fltVal, varptr(ppropvar)   ; 戻り値は stat
; fltVal : FLOAT -> "float"
; ppropvar : PROPVARIANT* out -> "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 "SensorsUtilsV2.dll"
#cfunc global InitPropVariantFromFloat "InitPropVariantFromFloat" float, var
; res = InitPropVariantFromFloat(fltVal, ppropvar)
; fltVal : FLOAT -> "float"
; ppropvar : PROPVARIANT* out -> "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 InitPropVariantFromFloat(FLOAT fltVal, PROPVARIANT* ppropvar)
#uselib "SensorsUtilsV2.dll"
#cfunc global InitPropVariantFromFloat "InitPropVariantFromFloat" float, var
; res = InitPropVariantFromFloat(fltVal, ppropvar)
; fltVal : FLOAT -> "float"
; ppropvar : PROPVARIANT* out -> "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 (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	sensorsutilsv2 = windows.NewLazySystemDLL("SensorsUtilsV2.dll")
	procInitPropVariantFromFloat = sensorsutilsv2.NewProc("InitPropVariantFromFloat")
)

// fltVal (FLOAT), ppropvar (PROPVARIANT* out)
r1, _, err := procInitPropVariantFromFloat.Call(
	uintptr(math.Float32bits(fltVal)),
	uintptr(ppropvar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

function InitPropVariantFromFloat(
  fltVal: Single;   // FLOAT
  ppropvar: Pointer   // PROPVARIANT* out
): Integer; stdcall;
  external 'SensorsUtilsV2.dll' name 'InitPropVariantFromFloat';

result := DllCall("SensorsUtilsV2\InitPropVariantFromFloat"
    , "Float", fltVal   ; FLOAT
    , "Ptr", ppropvar   ; PROPVARIANT* out
    , "Int")   ; return: HRESULT

●InitPropVariantFromFloat(fltVal, ppropvar) = DLL("SensorsUtilsV2.dll", "int InitPropVariantFromFloat(float, void*)")
# 呼び出し: InitPropVariantFromFloat(fltVal, ppropvar)
# fltVal : FLOAT -> "float"
# ppropvar : PROPVARIANT* out -> "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)。