Win32 API 日本語リファレンス
ホームSystem.Threading › GetGuiResources

GetGuiResources

関数
プロセスが使用中のGDIまたはユーザーオブジェクト数を取得する。
DLLUSER32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// USER32.dll
#include <windows.h>

DWORD GetGuiResources(
    HANDLE hProcess,
    GET_GUI_RESOURCES_FLAGS uiFlags
);

パラメーター

名前方向
hProcessHANDLEin
uiFlagsGET_GUI_RESOURCES_FLAGSin

戻り値の型: DWORD

各言語での呼び出し定義

// USER32.dll
#include <windows.h>

DWORD GetGuiResources(
    HANDLE hProcess,
    GET_GUI_RESOURCES_FLAGS uiFlags
);
[DllImport("USER32.dll", SetLastError = true, ExactSpelling = true)]
static extern uint GetGuiResources(
    IntPtr hProcess,   // HANDLE
    uint uiFlags   // GET_GUI_RESOURCES_FLAGS
);
<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetGuiResources(
    hProcess As IntPtr,   ' HANDLE
    uiFlags As UInteger   ' GET_GUI_RESOURCES_FLAGS
) As UInteger
End Function
' hProcess : HANDLE
' uiFlags : GET_GUI_RESOURCES_FLAGS
Declare PtrSafe Function GetGuiResources Lib "user32" ( _
    ByVal hProcess As LongPtr, _
    ByVal uiFlags 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

GetGuiResources = ctypes.windll.user32.GetGuiResources
GetGuiResources.restype = wintypes.DWORD
GetGuiResources.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    wintypes.DWORD,  # uiFlags : GET_GUI_RESOURCES_FLAGS
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetGuiResources = Fiddle::Function.new(
  lib['GetGuiResources'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    -Fiddle::TYPE_INT,  # uiFlags : GET_GUI_RESOURCES_FLAGS
  ],
  -Fiddle::TYPE_INT)
#[link(name = "user32")]
extern "system" {
    fn GetGuiResources(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        uiFlags: u32  // GET_GUI_RESOURCES_FLAGS
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("USER32.dll", SetLastError = true)]
public static extern uint GetGuiResources(IntPtr hProcess, uint uiFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetGuiResources' -Namespace Win32 -PassThru
# $api::GetGuiResources(hProcess, uiFlags)
#uselib "USER32.dll"
#func global GetGuiResources "GetGuiResources" sptr, sptr
; GetGuiResources hProcess, uiFlags   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; uiFlags : GET_GUI_RESOURCES_FLAGS -> "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 "USER32.dll"
#cfunc global GetGuiResources "GetGuiResources" sptr, int
; res = GetGuiResources(hProcess, uiFlags)
; hProcess : HANDLE -> "sptr"
; uiFlags : GET_GUI_RESOURCES_FLAGS -> "int"
; DWORD GetGuiResources(HANDLE hProcess, GET_GUI_RESOURCES_FLAGS uiFlags)
#uselib "USER32.dll"
#cfunc global GetGuiResources "GetGuiResources" intptr, int
; res = GetGuiResources(hProcess, uiFlags)
; hProcess : HANDLE -> "intptr"
; uiFlags : GET_GUI_RESOURCES_FLAGS -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetGuiResources = user32.NewProc("GetGuiResources")
)

// hProcess (HANDLE), uiFlags (GET_GUI_RESOURCES_FLAGS)
r1, _, err := procGetGuiResources.Call(
	uintptr(hProcess),
	uintptr(uiFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function GetGuiResources(
  hProcess: THandle;   // HANDLE
  uiFlags: DWORD   // GET_GUI_RESOURCES_FLAGS
): DWORD; stdcall;
  external 'USER32.dll' name 'GetGuiResources';
result := DllCall("USER32\GetGuiResources"
    , "Ptr", hProcess   ; HANDLE
    , "UInt", uiFlags   ; GET_GUI_RESOURCES_FLAGS
    , "UInt")   ; return: DWORD
●GetGuiResources(hProcess, uiFlags) = DLL("USER32.dll", "dword GetGuiResources(void*, dword)")
# 呼び出し: GetGuiResources(hProcess, uiFlags)
# hProcess : HANDLE -> "void*"
# uiFlags : GET_GUI_RESOURCES_FLAGS -> "dword"
# 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)。