SetThreadDpiAwarenessContext

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

DPI_AWARENESS_CONTEXT SetThreadDpiAwarenessContext(
    DPI_AWARENESS_CONTEXT dpiContext
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function SetThreadDpiAwarenessContext(
    dpiContext As IntPtr   ' DPI_AWARENESS_CONTEXT
) As IntPtr
End Function

' dpiContext : DPI_AWARENESS_CONTEXT
Declare PtrSafe Function SetThreadDpiAwarenessContext Lib "user32" ( _
    ByVal dpiContext As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetThreadDpiAwarenessContext = ctypes.windll.user32.SetThreadDpiAwarenessContext
SetThreadDpiAwarenessContext.restype = ctypes.c_void_p
SetThreadDpiAwarenessContext.argtypes = [
    wintypes.HANDLE,  # dpiContext : DPI_AWARENESS_CONTEXT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
SetThreadDpiAwarenessContext = Fiddle::Function.new(
  lib['SetThreadDpiAwarenessContext'],
  [
    Fiddle::TYPE_VOIDP,  # dpiContext : DPI_AWARENESS_CONTEXT
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "user32")]
extern "system" {
    fn SetThreadDpiAwarenessContext(
        dpiContext: *mut core::ffi::c_void  // DPI_AWARENESS_CONTEXT
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern IntPtr SetThreadDpiAwarenessContext(IntPtr dpiContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SetThreadDpiAwarenessContext' -Namespace Win32 -PassThru
# $api::SetThreadDpiAwarenessContext(dpiContext)

#uselib "USER32.dll"
#func global SetThreadDpiAwarenessContext "SetThreadDpiAwarenessContext" sptr
; SetThreadDpiAwarenessContext dpiContext   ; 戻り値は stat
; dpiContext : DPI_AWARENESS_CONTEXT -> "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 SetThreadDpiAwarenessContext "SetThreadDpiAwarenessContext" sptr
; res = SetThreadDpiAwarenessContext(dpiContext)
; dpiContext : DPI_AWARENESS_CONTEXT -> "sptr"

; DPI_AWARENESS_CONTEXT SetThreadDpiAwarenessContext(DPI_AWARENESS_CONTEXT dpiContext)
#uselib "USER32.dll"
#cfunc global SetThreadDpiAwarenessContext "SetThreadDpiAwarenessContext" intptr
; res = SetThreadDpiAwarenessContext(dpiContext)
; dpiContext : DPI_AWARENESS_CONTEXT -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSetThreadDpiAwarenessContext = user32.NewProc("SetThreadDpiAwarenessContext")
)

// dpiContext (DPI_AWARENESS_CONTEXT)
r1, _, err := procSetThreadDpiAwarenessContext.Call(
	uintptr(dpiContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DPI_AWARENESS_CONTEXT

function SetThreadDpiAwarenessContext(
  dpiContext: THandle   // DPI_AWARENESS_CONTEXT
): THandle; stdcall;
  external 'USER32.dll' name 'SetThreadDpiAwarenessContext';

result := DllCall("USER32\SetThreadDpiAwarenessContext"
    , "Ptr", dpiContext   ; DPI_AWARENESS_CONTEXT
    , "Ptr")   ; return: DPI_AWARENESS_CONTEXT

●SetThreadDpiAwarenessContext(dpiContext) = DLL("USER32.dll", "void* SetThreadDpiAwarenessContext(void*)")
# 呼び出し: SetThreadDpiAwarenessContext(dpiContext)
# dpiContext : DPI_AWARENESS_CONTEXT -> "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)。