#include <DxLib.h>

int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
    ChangeWindowMode(TRUE);
    SetGraphMode(640, 480, 32);
    SetMainWindowText(L"C++ Basics");
    if (DxLib_Init() == -1)
        return -1;

    SetDrawScreen(DX_SCREEN_BACK);
    SetBackgroundColor(245, 248, 252);

    while (ProcessMessage() == 0 && CheckHitKey(KEY_INPUT_ESCAPE) == 0)
    {
        ClearDrawScreen();
        DrawBox(160, 120, 208, 168, GetColor(38, 113, 191), TRUE);
        ScreenFlip();
        WaitTimer(16);
    }

    DxLib_End();
    return 0;
}