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DrtGetInstanceName

関数

DRTインスタンスの名前を取得する。

DLLdrt.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT DrtGetInstanceName(
    void* hDrt,
    DWORD ulcbInstanceNameSize,
    LPWSTR pwzDrtInstanceName
);

パラメーター

名前	型	方向
hDrt	void*	in
ulcbInstanceNameSize	DWORD	in
pwzDrtInstanceName	LPWSTR	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DrtGetInstanceName(
    void* hDrt,
    DWORD ulcbInstanceNameSize,
    LPWSTR pwzDrtInstanceName
);

[DllImport("drt.dll", ExactSpelling = true)]
static extern int DrtGetInstanceName(
    IntPtr hDrt,   // void*
    uint ulcbInstanceNameSize,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pwzDrtInstanceName   // LPWSTR out
);

<DllImport("drt.dll", ExactSpelling:=True)>
Public Shared Function DrtGetInstanceName(
    hDrt As IntPtr,   ' void*
    ulcbInstanceNameSize As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pwzDrtInstanceName As System.Text.StringBuilder   ' LPWSTR out
) As Integer
End Function

' hDrt : void*
' ulcbInstanceNameSize : DWORD
' pwzDrtInstanceName : LPWSTR out
Declare PtrSafe Function DrtGetInstanceName Lib "drt" ( _
    ByVal hDrt As LongPtr, _
    ByVal ulcbInstanceNameSize As Long, _
    ByVal pwzDrtInstanceName 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

DrtGetInstanceName = ctypes.windll.drt.DrtGetInstanceName
DrtGetInstanceName.restype = ctypes.c_int
DrtGetInstanceName.argtypes = [
    ctypes.POINTER(None),  # hDrt : void*
    wintypes.DWORD,  # ulcbInstanceNameSize : DWORD
    wintypes.LPWSTR,  # pwzDrtInstanceName : LPWSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drt.dll')
DrtGetInstanceName = Fiddle::Function.new(
  lib['DrtGetInstanceName'],
  [
    Fiddle::TYPE_VOIDP,  # hDrt : void*
    -Fiddle::TYPE_INT,  # ulcbInstanceNameSize : DWORD
    Fiddle::TYPE_VOIDP,  # pwzDrtInstanceName : LPWSTR out
  ],
  Fiddle::TYPE_INT)

#[link(name = "drt")]
extern "system" {
    fn DrtGetInstanceName(
        hDrt: *mut (),  // void*
        ulcbInstanceNameSize: u32,  // DWORD
        pwzDrtInstanceName: *mut u16  // LPWSTR out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drt.dll")]
public static extern int DrtGetInstanceName(IntPtr hDrt, uint ulcbInstanceNameSize, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pwzDrtInstanceName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drt_DrtGetInstanceName' -Namespace Win32 -PassThru
# $api::DrtGetInstanceName(hDrt, ulcbInstanceNameSize, pwzDrtInstanceName)

#uselib "drt.dll"
#func global DrtGetInstanceName "DrtGetInstanceName" sptr, sptr, sptr
; DrtGetInstanceName hDrt, ulcbInstanceNameSize, varptr(pwzDrtInstanceName)   ; 戻り値は stat
; hDrt : void* -> "sptr"
; ulcbInstanceNameSize : DWORD -> "sptr"
; pwzDrtInstanceName : LPWSTR 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 DrtGetInstanceName "DrtGetInstanceName" sptr, int, var
; res = DrtGetInstanceName(hDrt, ulcbInstanceNameSize, pwzDrtInstanceName)
; hDrt : void* -> "sptr"
; ulcbInstanceNameSize : DWORD -> "int"
; pwzDrtInstanceName : LPWSTR 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。#uselib "drt.dll"
#cfunc global DrtGetInstanceName "DrtGetInstanceName" sptr, int, sptr
; res = DrtGetInstanceName(hDrt, ulcbInstanceNameSize, varptr(pwzDrtInstanceName))
; hDrt : void* -> "sptr"
; ulcbInstanceNameSize : DWORD -> "int"
; pwzDrtInstanceName : LPWSTR out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT DrtGetInstanceName(void* hDrt, DWORD ulcbInstanceNameSize, LPWSTR pwzDrtInstanceName)
#uselib "drt.dll"
#cfunc global DrtGetInstanceName "DrtGetInstanceName" intptr, int, var
; res = DrtGetInstanceName(hDrt, ulcbInstanceNameSize, pwzDrtInstanceName)
; hDrt : void* -> "intptr"
; ulcbInstanceNameSize : DWORD -> "int"
; pwzDrtInstanceName : LPWSTR 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 DrtGetInstanceName(void* hDrt, DWORD ulcbInstanceNameSize, LPWSTR pwzDrtInstanceName)
#uselib "drt.dll"
#cfunc global DrtGetInstanceName "DrtGetInstanceName" intptr, int, intptr
; res = DrtGetInstanceName(hDrt, ulcbInstanceNameSize, varptr(pwzDrtInstanceName))
; hDrt : void* -> "intptr"
; ulcbInstanceNameSize : DWORD -> "int"
; pwzDrtInstanceName : LPWSTR out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	drt = windows.NewLazySystemDLL("drt.dll")
	procDrtGetInstanceName = drt.NewProc("DrtGetInstanceName")
)

// hDrt (void*), ulcbInstanceNameSize (DWORD), pwzDrtInstanceName (LPWSTR out)
r1, _, err := procDrtGetInstanceName.Call(
	uintptr(hDrt),
	uintptr(ulcbInstanceNameSize),
	uintptr(pwzDrtInstanceName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtGetInstanceName(
  hDrt: Pointer;   // void*
  ulcbInstanceNameSize: DWORD;   // DWORD
  pwzDrtInstanceName: PWideChar   // LPWSTR out
): Integer; stdcall;
  external 'drt.dll' name 'DrtGetInstanceName';

result := DllCall("drt\DrtGetInstanceName"
    , "Ptr", hDrt   ; void*
    , "UInt", ulcbInstanceNameSize   ; DWORD
    , "Ptr", pwzDrtInstanceName   ; LPWSTR out
    , "Int")   ; return: HRESULT

●DrtGetInstanceName(hDrt, ulcbInstanceNameSize, pwzDrtInstanceName) = DLL("drt.dll", "int DrtGetInstanceName(void*, dword, char*)")
# 呼び出し: DrtGetInstanceName(hDrt, ulcbInstanceNameSize, pwzDrtInstanceName)
# hDrt : void* -> "void*"
# ulcbInstanceNameSize : DWORD -> "dword"
# pwzDrtInstanceName : LPWSTR out -> "char*"
# 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)。