minimal send key input app for windows(lazy)（キー入力を送るだけのやつ＞＜ Windows用手抜き）

SimpleSendKeys.cpp

// SimpleSendKeys.cpp
//
// (c) orange_in_space, 2018
// Licence: CC0
//
// HowToUse:
//  SimpleSendKeys.exe VK_keycode(in Hex)
//
// Build:
//  VC++2017 "/SUBSYSTEM:WINDOWS"
//

//#include "pch.h"
#include <iostream>
#include <windows.h>


void SendKey(WORD keycode)
{
	INPUT data;
	memset(&data, 0, sizeof(data));
	data.type = INPUT_KEYBOARD;
	data.ki.wVk = keycode;
	data.ki.wScan = MapVirtualKey(keycode, 0);
	data.ki.dwFlags = KEYEVENTF_EXTENDEDKEY;

	SendInput(1, &data, sizeof(INPUT));


	data.ki.dwFlags = KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP;
	SendInput(1, &data, sizeof(INPUT));
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	int    nArgs;
	LPTSTR *lplpszArgs;

	lplpszArgs = CommandLineToArgvW(GetCommandLine(), &nArgs);
	unsigned int vkkeycode = 0;
	if (nArgs > 1)
	{
		swscanf_s(lplpszArgs[1], L"%x", &vkkeycode);
	}
	LocalFree(lplpszArgs);

	if (vkkeycode > 0)
	{
		WORD keycode = vkkeycode;
		SendKey(keycode);
	}
	return 0;


	//VK_LWIN 0x5B
}