GetThemeTransitionDuration

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

HRESULT GetThemeTransitionDuration(
    HTHEME hTheme,
    INT iPartId,
    INT iStateIdFrom,
    INT iStateIdTo,
    INT iPropId,
    DWORD* pdwDuration
);

<DllImport("UxTheme.dll", ExactSpelling:=True)>
Public Shared Function GetThemeTransitionDuration(
    hTheme As IntPtr,   ' HTHEME
    iPartId As Integer,   ' INT
    iStateIdFrom As Integer,   ' INT
    iStateIdTo As Integer,   ' INT
    iPropId As Integer,   ' INT
    <Out> ByRef pdwDuration As UInteger   ' DWORD* out
) As Integer
End Function

' hTheme : HTHEME
' iPartId : INT
' iStateIdFrom : INT
' iStateIdTo : INT
' iPropId : INT
' pdwDuration : DWORD* out
Declare PtrSafe Function GetThemeTransitionDuration Lib "uxtheme" ( _
    ByVal hTheme As LongPtr, _
    ByVal iPartId As Long, _
    ByVal iStateIdFrom As Long, _
    ByVal iStateIdTo As Long, _
    ByVal iPropId As Long, _
    ByRef pdwDuration As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetThemeTransitionDuration = ctypes.windll.uxtheme.GetThemeTransitionDuration
GetThemeTransitionDuration.restype = ctypes.c_int
GetThemeTransitionDuration.argtypes = [
    ctypes.c_ssize_t,  # hTheme : HTHEME
    ctypes.c_int,  # iPartId : INT
    ctypes.c_int,  # iStateIdFrom : INT
    ctypes.c_int,  # iStateIdTo : INT
    ctypes.c_int,  # iPropId : INT
    ctypes.POINTER(wintypes.DWORD),  # pdwDuration : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UxTheme.dll')
GetThemeTransitionDuration = Fiddle::Function.new(
  lib['GetThemeTransitionDuration'],
  [
    Fiddle::TYPE_INTPTR_T,  # hTheme : HTHEME
    Fiddle::TYPE_INT,  # iPartId : INT
    Fiddle::TYPE_INT,  # iStateIdFrom : INT
    Fiddle::TYPE_INT,  # iStateIdTo : INT
    Fiddle::TYPE_INT,  # iPropId : INT
    Fiddle::TYPE_VOIDP,  # pdwDuration : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "uxtheme")]
extern "system" {
    fn GetThemeTransitionDuration(
        hTheme: isize,  // HTHEME
        iPartId: i32,  // INT
        iStateIdFrom: i32,  // INT
        iStateIdTo: i32,  // INT
        iPropId: i32,  // INT
        pdwDuration: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("UxTheme.dll")]
public static extern int GetThemeTransitionDuration(IntPtr hTheme, int iPartId, int iStateIdFrom, int iStateIdTo, int iPropId, out uint pdwDuration);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UxTheme_GetThemeTransitionDuration' -Namespace Win32 -PassThru
# $api::GetThemeTransitionDuration(hTheme, iPartId, iStateIdFrom, iStateIdTo, iPropId, pdwDuration)

#uselib "UxTheme.dll"
#func global GetThemeTransitionDuration "GetThemeTransitionDuration" sptr, sptr, sptr, sptr, sptr, sptr
; GetThemeTransitionDuration hTheme, iPartId, iStateIdFrom, iStateIdTo, iPropId, varptr(pdwDuration)   ; 戻り値は stat
; hTheme : HTHEME -> "sptr"
; iPartId : INT -> "sptr"
; iStateIdFrom : INT -> "sptr"
; iStateIdTo : INT -> "sptr"
; iPropId : INT -> "sptr"
; pdwDuration : DWORD* 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 "UxTheme.dll"
#cfunc global GetThemeTransitionDuration "GetThemeTransitionDuration" sptr, int, int, int, int, var
; res = GetThemeTransitionDuration(hTheme, iPartId, iStateIdFrom, iStateIdTo, iPropId, pdwDuration)
; hTheme : HTHEME -> "sptr"
; iPartId : INT -> "int"
; iStateIdFrom : INT -> "int"
; iStateIdTo : INT -> "int"
; iPropId : INT -> "int"
; pdwDuration : DWORD* 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 GetThemeTransitionDuration(HTHEME hTheme, INT iPartId, INT iStateIdFrom, INT iStateIdTo, INT iPropId, DWORD* pdwDuration)
#uselib "UxTheme.dll"
#cfunc global GetThemeTransitionDuration "GetThemeTransitionDuration" intptr, int, int, int, int, var
; res = GetThemeTransitionDuration(hTheme, iPartId, iStateIdFrom, iStateIdTo, iPropId, pdwDuration)
; hTheme : HTHEME -> "intptr"
; iPartId : INT -> "int"
; iStateIdFrom : INT -> "int"
; iStateIdTo : INT -> "int"
; iPropId : INT -> "int"
; pdwDuration : DWORD* 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 (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	uxtheme = windows.NewLazySystemDLL("UxTheme.dll")
	procGetThemeTransitionDuration = uxtheme.NewProc("GetThemeTransitionDuration")
)

// hTheme (HTHEME), iPartId (INT), iStateIdFrom (INT), iStateIdTo (INT), iPropId (INT), pdwDuration (DWORD* out)
r1, _, err := procGetThemeTransitionDuration.Call(
	uintptr(hTheme),
	uintptr(iPartId),
	uintptr(iStateIdFrom),
	uintptr(iStateIdTo),
	uintptr(iPropId),
	uintptr(pdwDuration),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetThemeTransitionDuration(
  hTheme: NativeInt;   // HTHEME
  iPartId: Integer;   // INT
  iStateIdFrom: Integer;   // INT
  iStateIdTo: Integer;   // INT
  iPropId: Integer;   // INT
  pdwDuration: Pointer   // DWORD* out
): Integer; stdcall;
  external 'UxTheme.dll' name 'GetThemeTransitionDuration';

result := DllCall("UxTheme\GetThemeTransitionDuration"
    , "Ptr", hTheme   ; HTHEME
    , "Int", iPartId   ; INT
    , "Int", iStateIdFrom   ; INT
    , "Int", iStateIdTo   ; INT
    , "Int", iPropId   ; INT
    , "Ptr", pdwDuration   ; DWORD* out
    , "Int")   ; return: HRESULT

●GetThemeTransitionDuration(hTheme, iPartId, iStateIdFrom, iStateIdTo, iPropId, pdwDuration) = DLL("UxTheme.dll", "int GetThemeTransitionDuration(int, int, int, int, int, void*)")
# 呼び出し: GetThemeTransitionDuration(hTheme, iPartId, iStateIdFrom, iStateIdTo, iPropId, pdwDuration)
# hTheme : HTHEME -> "int"
# iPartId : INT -> "int"
# iStateIdFrom : INT -> "int"
# iStateIdTo : INT -> "int"
# iPropId : INT -> "int"
# pdwDuration : DWORD* 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)。