DPA_DeleteAllPtrs

関数

動的ポインタ配列の全ポインタを削除する。

DLLCOMCTL32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

BOOL DPA_DeleteAllPtrs(
    HDPA hdpa
);

パラメーター

名前	型	方向
hdpa	HDPA	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL DPA_DeleteAllPtrs(
    HDPA hdpa
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll", ExactSpelling = true)]
static extern bool DPA_DeleteAllPtrs(
    IntPtr hdpa   // HDPA
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function DPA_DeleteAllPtrs(
    hdpa As IntPtr   ' HDPA
) As Boolean
End Function

' hdpa : HDPA
Declare PtrSafe Function DPA_DeleteAllPtrs Lib "comctl32" ( _
    ByVal hdpa 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

DPA_DeleteAllPtrs = ctypes.windll.comctl32.DPA_DeleteAllPtrs
DPA_DeleteAllPtrs.restype = wintypes.BOOL
DPA_DeleteAllPtrs.argtypes = [
    ctypes.c_ssize_t,  # hdpa : HDPA
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
DPA_DeleteAllPtrs = Fiddle::Function.new(
  lib['DPA_DeleteAllPtrs'],
  [
    Fiddle::TYPE_INTPTR_T,  # hdpa : HDPA
  ],
  Fiddle::TYPE_INT)

#[link(name = "comctl32")]
extern "system" {
    fn DPA_DeleteAllPtrs(
        hdpa: isize  // HDPA
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll")]
public static extern bool DPA_DeleteAllPtrs(IntPtr hdpa);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_DPA_DeleteAllPtrs' -Namespace Win32 -PassThru
# $api::DPA_DeleteAllPtrs(hdpa)

#uselib "COMCTL32.dll"
#func global DPA_DeleteAllPtrs "DPA_DeleteAllPtrs" sptr
; DPA_DeleteAllPtrs hdpa   ; 戻り値は stat
; hdpa : HDPA -> "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 DPA_DeleteAllPtrs "DPA_DeleteAllPtrs" sptr
; res = DPA_DeleteAllPtrs(hdpa)
; hdpa : HDPA -> "sptr"

; BOOL DPA_DeleteAllPtrs(HDPA hdpa)
#uselib "COMCTL32.dll"
#cfunc global DPA_DeleteAllPtrs "DPA_DeleteAllPtrs" intptr
; res = DPA_DeleteAllPtrs(hdpa)
; hdpa : HDPA -> "intptr"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procDPA_DeleteAllPtrs = comctl32.NewProc("DPA_DeleteAllPtrs")
)

// hdpa (HDPA)
r1, _, err := procDPA_DeleteAllPtrs.Call(
	uintptr(hdpa),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DPA_DeleteAllPtrs(
  hdpa: NativeInt   // HDPA
): BOOL; stdcall;
  external 'COMCTL32.dll' name 'DPA_DeleteAllPtrs';

result := DllCall("COMCTL32\DPA_DeleteAllPtrs"
    , "Ptr", hdpa   ; HDPA
    , "Int")   ; return: BOOL

●DPA_DeleteAllPtrs(hdpa) = DLL("COMCTL32.dll", "bool DPA_DeleteAllPtrs(int)")
# 呼び出し: DPA_DeleteAllPtrs(hdpa)
# hdpa : HDPA -> "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)。