You can test the sample code with this version
#include <Windows.h>
#include <RRS/App.h>
#include <RRS/CommonType.h>
#include <RRS/Window.h>
#include <RRS/Button.h>
using namespace RRS;
int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPTSTR lpCmdLine, _In_ int nCmdShow)
{
App::Init(hInstance);
std::wstring hello = L"Hello 世界!";
au...