Win32 API 日本語リファレンス
ホームNetworkManagement.P2P › DrtGetSearchResultSize

DrtGetSearchResultSize

関数
DRT検索結果に必要なバッファサイズを取得する。
DLLdrt.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT DrtGetSearchResultSize(
    void* hSearchContext,
    DWORD* pulSearchResultSize
);

パラメーター

名前方向
hSearchContextvoid*in
pulSearchResultSizeDWORD*out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DrtGetSearchResultSize(
    void* hSearchContext,
    DWORD* pulSearchResultSize
);
[DllImport("drt.dll", ExactSpelling = true)]
static extern int DrtGetSearchResultSize(
    IntPtr hSearchContext,   // void*
    out uint pulSearchResultSize   // DWORD* out
);
<DllImport("drt.dll", ExactSpelling:=True)>
Public Shared Function DrtGetSearchResultSize(
    hSearchContext As IntPtr,   ' void*
    <Out> ByRef pulSearchResultSize As UInteger   ' DWORD* out
) As Integer
End Function
' hSearchContext : void*
' pulSearchResultSize : DWORD* out
Declare PtrSafe Function DrtGetSearchResultSize Lib "drt" ( _
    ByVal hSearchContext As LongPtr, _
    ByRef pulSearchResultSize 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

DrtGetSearchResultSize = ctypes.windll.drt.DrtGetSearchResultSize
DrtGetSearchResultSize.restype = ctypes.c_int
DrtGetSearchResultSize.argtypes = [
    ctypes.POINTER(None),  # hSearchContext : void*
    ctypes.POINTER(wintypes.DWORD),  # pulSearchResultSize : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drt.dll')
DrtGetSearchResultSize = Fiddle::Function.new(
  lib['DrtGetSearchResultSize'],
  [
    Fiddle::TYPE_VOIDP,  # hSearchContext : void*
    Fiddle::TYPE_VOIDP,  # pulSearchResultSize : DWORD* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "drt")]
extern "system" {
    fn DrtGetSearchResultSize(
        hSearchContext: *mut (),  // void*
        pulSearchResultSize: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("drt.dll")]
public static extern int DrtGetSearchResultSize(IntPtr hSearchContext, out uint pulSearchResultSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drt_DrtGetSearchResultSize' -Namespace Win32 -PassThru
# $api::DrtGetSearchResultSize(hSearchContext, pulSearchResultSize)
#uselib "drt.dll"
#func global DrtGetSearchResultSize "DrtGetSearchResultSize" sptr, sptr
; DrtGetSearchResultSize hSearchContext, varptr(pulSearchResultSize)   ; 戻り値は stat
; hSearchContext : void* -> "sptr"
; pulSearchResultSize : 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。
出力引数:
#uselib "drt.dll"
#cfunc global DrtGetSearchResultSize "DrtGetSearchResultSize" sptr, var
; res = DrtGetSearchResultSize(hSearchContext, pulSearchResultSize)
; hSearchContext : void* -> "sptr"
; pulSearchResultSize : 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。
出力引数:
; HRESULT DrtGetSearchResultSize(void* hSearchContext, DWORD* pulSearchResultSize)
#uselib "drt.dll"
#cfunc global DrtGetSearchResultSize "DrtGetSearchResultSize" intptr, var
; res = DrtGetSearchResultSize(hSearchContext, pulSearchResultSize)
; hSearchContext : void* -> "intptr"
; pulSearchResultSize : 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 (
	drt = windows.NewLazySystemDLL("drt.dll")
	procDrtGetSearchResultSize = drt.NewProc("DrtGetSearchResultSize")
)

// hSearchContext (void*), pulSearchResultSize (DWORD* out)
r1, _, err := procDrtGetSearchResultSize.Call(
	uintptr(hSearchContext),
	uintptr(pulSearchResultSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function DrtGetSearchResultSize(
  hSearchContext: Pointer;   // void*
  pulSearchResultSize: Pointer   // DWORD* out
): Integer; stdcall;
  external 'drt.dll' name 'DrtGetSearchResultSize';
result := DllCall("drt\DrtGetSearchResultSize"
    , "Ptr", hSearchContext   ; void*
    , "Ptr", pulSearchResultSize   ; DWORD* out
    , "Int")   ; return: HRESULT
●DrtGetSearchResultSize(hSearchContext, pulSearchResultSize) = DLL("drt.dll", "int DrtGetSearchResultSize(void*, void*)")
# 呼び出し: DrtGetSearchResultSize(hSearchContext, pulSearchResultSize)
# hSearchContext : void* -> "void*"
# pulSearchResultSize : 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)。