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SetMonitorRedGreenOrBlueDrive

関数
モニタのRGBいずれかのドライブ値を設定する。
DLLdxva2.dll呼出規約winapi対応OSWindows Vista 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

// dxva2.dll
#include <windows.h>

INT SetMonitorRedGreenOrBlueDrive(
    HANDLE hMonitor,
    MC_DRIVE_TYPE dtDriveType,
    DWORD dwNewDrive
);

パラメーター

名前型方向説明
hMonitorHANDLEin対象の物理モニターのハンドル。
dtDriveTypeMC_DRIVE_TYPEin設定対象の原色(赤/緑/青)を示すMC_DRIVE_TYPE列挙値。
dwNewDriveDWORDin設定する新しいドライブ値。最小〜最大の範囲内で指定する。

戻り値の型: INT

各言語での呼び出し定義

// dxva2.dll
#include <windows.h>

INT SetMonitorRedGreenOrBlueDrive(
    HANDLE hMonitor,
    MC_DRIVE_TYPE dtDriveType,
    DWORD dwNewDrive
);
[DllImport("dxva2.dll", ExactSpelling = true)]
static extern int SetMonitorRedGreenOrBlueDrive(
    IntPtr hMonitor,   // HANDLE
    int dtDriveType,   // MC_DRIVE_TYPE
    uint dwNewDrive   // DWORD
);
<DllImport("dxva2.dll", ExactSpelling:=True)>
Public Shared Function SetMonitorRedGreenOrBlueDrive(
    hMonitor As IntPtr,   ' HANDLE
    dtDriveType As Integer,   ' MC_DRIVE_TYPE
    dwNewDrive As UInteger   ' DWORD
) As Integer
End Function
' hMonitor : HANDLE
' dtDriveType : MC_DRIVE_TYPE
' dwNewDrive : DWORD
Declare PtrSafe Function SetMonitorRedGreenOrBlueDrive Lib "dxva2" ( _
    ByVal hMonitor As LongPtr, _
    ByVal dtDriveType As Long, _
    ByVal dwNewDrive 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

SetMonitorRedGreenOrBlueDrive = ctypes.windll.dxva2.SetMonitorRedGreenOrBlueDrive
SetMonitorRedGreenOrBlueDrive.restype = ctypes.c_int
SetMonitorRedGreenOrBlueDrive.argtypes = [
    wintypes.HANDLE,  # hMonitor : HANDLE
    ctypes.c_int,  # dtDriveType : MC_DRIVE_TYPE
    wintypes.DWORD,  # dwNewDrive : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dxva2.dll')
SetMonitorRedGreenOrBlueDrive = Fiddle::Function.new(
  lib['SetMonitorRedGreenOrBlueDrive'],
  [
    Fiddle::TYPE_VOIDP,  # hMonitor : HANDLE
    Fiddle::TYPE_INT,  # dtDriveType : MC_DRIVE_TYPE
    -Fiddle::TYPE_INT,  # dwNewDrive : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "dxva2")]
extern "system" {
    fn SetMonitorRedGreenOrBlueDrive(
        hMonitor: *mut core::ffi::c_void,  // HANDLE
        dtDriveType: i32,  // MC_DRIVE_TYPE
        dwNewDrive: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("dxva2.dll")]
public static extern int SetMonitorRedGreenOrBlueDrive(IntPtr hMonitor, int dtDriveType, uint dwNewDrive);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dxva2_SetMonitorRedGreenOrBlueDrive' -Namespace Win32 -PassThru
# $api::SetMonitorRedGreenOrBlueDrive(hMonitor, dtDriveType, dwNewDrive)
#uselib "dxva2.dll"
#func global SetMonitorRedGreenOrBlueDrive "SetMonitorRedGreenOrBlueDrive" sptr, sptr, sptr
; SetMonitorRedGreenOrBlueDrive hMonitor, dtDriveType, dwNewDrive   ; 戻り値は stat
; hMonitor : HANDLE -> "sptr"
; dtDriveType : MC_DRIVE_TYPE -> "sptr"
; dwNewDrive : DWORD -> "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 "dxva2.dll"
#cfunc global SetMonitorRedGreenOrBlueDrive "SetMonitorRedGreenOrBlueDrive" sptr, int, int
; res = SetMonitorRedGreenOrBlueDrive(hMonitor, dtDriveType, dwNewDrive)
; hMonitor : HANDLE -> "sptr"
; dtDriveType : MC_DRIVE_TYPE -> "int"
; dwNewDrive : DWORD -> "int"
; INT SetMonitorRedGreenOrBlueDrive(HANDLE hMonitor, MC_DRIVE_TYPE dtDriveType, DWORD dwNewDrive)
#uselib "dxva2.dll"
#cfunc global SetMonitorRedGreenOrBlueDrive "SetMonitorRedGreenOrBlueDrive" intptr, int, int
; res = SetMonitorRedGreenOrBlueDrive(hMonitor, dtDriveType, dwNewDrive)
; hMonitor : HANDLE -> "intptr"
; dtDriveType : MC_DRIVE_TYPE -> "int"
; dwNewDrive : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dxva2 = windows.NewLazySystemDLL("dxva2.dll")
	procSetMonitorRedGreenOrBlueDrive = dxva2.NewProc("SetMonitorRedGreenOrBlueDrive")
)

// hMonitor (HANDLE), dtDriveType (MC_DRIVE_TYPE), dwNewDrive (DWORD)
r1, _, err := procSetMonitorRedGreenOrBlueDrive.Call(
	uintptr(hMonitor),
	uintptr(dtDriveType),
	uintptr(dwNewDrive),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function SetMonitorRedGreenOrBlueDrive(
  hMonitor: THandle;   // HANDLE
  dtDriveType: Integer;   // MC_DRIVE_TYPE
  dwNewDrive: DWORD   // DWORD
): Integer; stdcall;
  external 'dxva2.dll' name 'SetMonitorRedGreenOrBlueDrive';
result := DllCall("dxva2\SetMonitorRedGreenOrBlueDrive"
    , "Ptr", hMonitor   ; HANDLE
    , "Int", dtDriveType   ; MC_DRIVE_TYPE
    , "UInt", dwNewDrive   ; DWORD
    , "Int")   ; return: INT
●SetMonitorRedGreenOrBlueDrive(hMonitor, dtDriveType, dwNewDrive) = DLL("dxva2.dll", "int SetMonitorRedGreenOrBlueDrive(void*, int, dword)")
# 呼び出し: SetMonitorRedGreenOrBlueDrive(hMonitor, dtDriveType, dwNewDrive)
# hMonitor : HANDLE -> "void*"
# dtDriveType : MC_DRIVE_TYPE -> "int"
# dwNewDrive : DWORD -> "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)。