DPA_Grow

関数

動的ポインタ配列の容量を指定数まで拡張する。

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_Grow(
    HDPA pdpa,
    INT cp
);

パラメーター

名前	型	方向
pdpa	HDPA	in
cp	INT	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_Grow(
    HDPA pdpa,
    INT cp
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll", ExactSpelling = true)]
static extern bool DPA_Grow(
    IntPtr pdpa,   // HDPA
    int cp   // INT
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function DPA_Grow(
    pdpa As IntPtr,   ' HDPA
    cp As Integer   ' INT
) As Boolean
End Function

' pdpa : HDPA
' cp : INT
Declare PtrSafe Function DPA_Grow Lib "comctl32" ( _
    ByVal pdpa As LongPtr, _
    ByVal cp 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

DPA_Grow = ctypes.windll.comctl32.DPA_Grow
DPA_Grow.restype = wintypes.BOOL
DPA_Grow.argtypes = [
    ctypes.c_ssize_t,  # pdpa : HDPA
    ctypes.c_int,  # cp : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
DPA_Grow = Fiddle::Function.new(
  lib['DPA_Grow'],
  [
    Fiddle::TYPE_INTPTR_T,  # pdpa : HDPA
    Fiddle::TYPE_INT,  # cp : INT
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll")]
public static extern bool DPA_Grow(IntPtr pdpa, int cp);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_DPA_Grow' -Namespace Win32 -PassThru
# $api::DPA_Grow(pdpa, cp)

#uselib "COMCTL32.dll"
#func global DPA_Grow "DPA_Grow" sptr, sptr
; DPA_Grow pdpa, cp   ; 戻り値は stat
; pdpa : HDPA -> "sptr"
; cp : 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 DPA_Grow "DPA_Grow" sptr, int
; res = DPA_Grow(pdpa, cp)
; pdpa : HDPA -> "sptr"
; cp : INT -> "int"

; BOOL DPA_Grow(HDPA pdpa, INT cp)
#uselib "COMCTL32.dll"
#cfunc global DPA_Grow "DPA_Grow" intptr, int
; res = DPA_Grow(pdpa, cp)
; pdpa : HDPA -> "intptr"
; cp : INT -> "int"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procDPA_Grow = comctl32.NewProc("DPA_Grow")
)

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

function DPA_Grow(
  pdpa: NativeInt;   // HDPA
  cp: Integer   // INT
): BOOL; stdcall;
  external 'COMCTL32.dll' name 'DPA_Grow';

result := DllCall("COMCTL32\DPA_Grow"
    , "Ptr", pdpa   ; HDPA
    , "Int", cp   ; INT
    , "Int")   ; return: BOOL

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