DSA_GetItemPtr

関数

動的構造体配列内の要素へのポインタを取得する。

DLLCOMCTL32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// COMCTL32.dll
#include <windows.h>

void* DSA_GetItemPtr(
    HDSA hdsa,
    INT i
);

パラメーター

名前	型	方向
hdsa	HDSA	in
i	INT	in

戻り値の型: void*

各言語での呼び出し定義

// COMCTL32.dll
#include <windows.h>

void* DSA_GetItemPtr(
    HDSA hdsa,
    INT i
);

[DllImport("COMCTL32.dll", ExactSpelling = true)]
static extern IntPtr DSA_GetItemPtr(
    IntPtr hdsa,   // HDSA
    int i   // INT
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function DSA_GetItemPtr(
    hdsa As IntPtr,   ' HDSA
    i As Integer   ' INT
) As IntPtr
End Function

' hdsa : HDSA
' i : INT
Declare PtrSafe Function DSA_GetItemPtr Lib "comctl32" ( _
    ByVal hdsa As LongPtr, _
    ByVal i As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DSA_GetItemPtr = ctypes.windll.comctl32.DSA_GetItemPtr
DSA_GetItemPtr.restype = ctypes.c_void_p
DSA_GetItemPtr.argtypes = [
    ctypes.c_ssize_t,  # hdsa : HDSA
    ctypes.c_int,  # i : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
DSA_GetItemPtr = Fiddle::Function.new(
  lib['DSA_GetItemPtr'],
  [
    Fiddle::TYPE_INTPTR_T,  # hdsa : HDSA
    Fiddle::TYPE_INT,  # i : INT
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "comctl32")]
extern "system" {
    fn DSA_GetItemPtr(
        hdsa: isize,  // HDSA
        i: i32  // INT
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("COMCTL32.dll")]
public static extern IntPtr DSA_GetItemPtr(IntPtr hdsa, int i);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_DSA_GetItemPtr' -Namespace Win32 -PassThru
# $api::DSA_GetItemPtr(hdsa, i)

#uselib "COMCTL32.dll"
#func global DSA_GetItemPtr "DSA_GetItemPtr" sptr, sptr
; DSA_GetItemPtr hdsa, i   ; 戻り値は stat
; hdsa : HDSA -> "sptr"
; i : INT -> "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 "COMCTL32.dll"
#cfunc global DSA_GetItemPtr "DSA_GetItemPtr" sptr, int
; res = DSA_GetItemPtr(hdsa, i)
; hdsa : HDSA -> "sptr"
; i : INT -> "int"

; void* DSA_GetItemPtr(HDSA hdsa, INT i)
#uselib "COMCTL32.dll"
#cfunc global DSA_GetItemPtr "DSA_GetItemPtr" intptr, int
; res = DSA_GetItemPtr(hdsa, i)
; hdsa : HDSA -> "intptr"
; i : INT -> "int"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procDSA_GetItemPtr = comctl32.NewProc("DSA_GetItemPtr")
)

// hdsa (HDSA), i (INT)
r1, _, err := procDSA_GetItemPtr.Call(
	uintptr(hdsa),
	uintptr(i),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function DSA_GetItemPtr(
  hdsa: NativeInt;   // HDSA
  i: Integer   // INT
): Pointer; stdcall;
  external 'COMCTL32.dll' name 'DSA_GetItemPtr';

result := DllCall("COMCTL32\DSA_GetItemPtr"
    , "Ptr", hdsa   ; HDSA
    , "Int", i   ; INT
    , "Ptr")   ; return: void*

●DSA_GetItemPtr(hdsa, i) = DLL("COMCTL32.dll", "void* DSA_GetItemPtr(int, int)")
# 呼び出し: DSA_GetItemPtr(hdsa, i)
# hdsa : HDSA -> "int"
# i : INT -> "int"
# 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)。