GetGestureInfo

関数

ジェスチャハンドルからジェスチャ情報を取得する。

DLLUSER32.dll呼出規約winapiSetLastErrorあり対応OSWindows 7 以降

シグネチャ

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

BOOL GetGestureInfo(
    HGESTUREINFO hGestureInfo,
    GESTUREINFO* pGestureInfo
);

パラメーター

名前	型	方向
hGestureInfo	HGESTUREINFO	in
pGestureInfo	GESTUREINFO*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetGestureInfo(
    HGESTUREINFO hGestureInfo,
    GESTUREINFO* pGestureInfo
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetGestureInfo(
    IntPtr hGestureInfo,   // HGESTUREINFO
    IntPtr pGestureInfo   // GESTUREINFO* out
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetGestureInfo(
    hGestureInfo As IntPtr,   ' HGESTUREINFO
    pGestureInfo As IntPtr   ' GESTUREINFO* out
) As Boolean
End Function

' hGestureInfo : HGESTUREINFO
' pGestureInfo : GESTUREINFO* out
Declare PtrSafe Function GetGestureInfo Lib "user32" ( _
    ByVal hGestureInfo As LongPtr, _
    ByVal pGestureInfo 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

GetGestureInfo = ctypes.windll.user32.GetGestureInfo
GetGestureInfo.restype = wintypes.BOOL
GetGestureInfo.argtypes = [
    wintypes.HANDLE,  # hGestureInfo : HGESTUREINFO
    ctypes.c_void_p,  # pGestureInfo : GESTUREINFO* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetGestureInfo = Fiddle::Function.new(
  lib['GetGestureInfo'],
  [
    Fiddle::TYPE_VOIDP,  # hGestureInfo : HGESTUREINFO
    Fiddle::TYPE_VOIDP,  # pGestureInfo : GESTUREINFO* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetGestureInfo(
        hGestureInfo: *mut core::ffi::c_void,  // HGESTUREINFO
        pGestureInfo: *mut GESTUREINFO  // GESTUREINFO* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool GetGestureInfo(IntPtr hGestureInfo, IntPtr pGestureInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetGestureInfo' -Namespace Win32 -PassThru
# $api::GetGestureInfo(hGestureInfo, pGestureInfo)

#uselib "USER32.dll"
#func global GetGestureInfo "GetGestureInfo" sptr, sptr
; GetGestureInfo hGestureInfo, varptr(pGestureInfo)   ; 戻り値は stat
; hGestureInfo : HGESTUREINFO -> "sptr"
; pGestureInfo : GESTUREINFO* 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 "USER32.dll"
#cfunc global GetGestureInfo "GetGestureInfo" sptr, var
; res = GetGestureInfo(hGestureInfo, pGestureInfo)
; hGestureInfo : HGESTUREINFO -> "sptr"
; pGestureInfo : GESTUREINFO* 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 "USER32.dll"
#cfunc global GetGestureInfo "GetGestureInfo" sptr, sptr
; res = GetGestureInfo(hGestureInfo, varptr(pGestureInfo))
; hGestureInfo : HGESTUREINFO -> "sptr"
; pGestureInfo : GESTUREINFO* 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:

; BOOL GetGestureInfo(HGESTUREINFO hGestureInfo, GESTUREINFO* pGestureInfo)
#uselib "USER32.dll"
#cfunc global GetGestureInfo "GetGestureInfo" intptr, var
; res = GetGestureInfo(hGestureInfo, pGestureInfo)
; hGestureInfo : HGESTUREINFO -> "intptr"
; pGestureInfo : GESTUREINFO* 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。; BOOL GetGestureInfo(HGESTUREINFO hGestureInfo, GESTUREINFO* pGestureInfo)
#uselib "USER32.dll"
#cfunc global GetGestureInfo "GetGestureInfo" intptr, intptr
; res = GetGestureInfo(hGestureInfo, varptr(pGestureInfo))
; hGestureInfo : HGESTUREINFO -> "intptr"
; pGestureInfo : GESTUREINFO* 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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetGestureInfo = user32.NewProc("GetGestureInfo")
)

// hGestureInfo (HGESTUREINFO), pGestureInfo (GESTUREINFO* out)
r1, _, err := procGetGestureInfo.Call(
	uintptr(hGestureInfo),
	uintptr(pGestureInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetGestureInfo(
  hGestureInfo: THandle;   // HGESTUREINFO
  pGestureInfo: Pointer   // GESTUREINFO* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetGestureInfo';

result := DllCall("USER32\GetGestureInfo"
    , "Ptr", hGestureInfo   ; HGESTUREINFO
    , "Ptr", pGestureInfo   ; GESTUREINFO* out
    , "Int")   ; return: BOOL

●GetGestureInfo(hGestureInfo, pGestureInfo) = DLL("USER32.dll", "bool GetGestureInfo(void*, void*)")
# 呼び出し: GetGestureInfo(hGestureInfo, pGestureInfo)
# hGestureInfo : HGESTUREINFO -> "void*"
# pGestureInfo : GESTUREINFO* 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)。