Классическое приложение windows c visual studio 2022

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#if defined(UNICODE) && !defined(_UNICODE)
    #define _UNICODE
#elif defined(_UNICODE) && !defined(UNICODE)
    #define UNICODE
#endif
 
#include <tchar.h>
#include <windows.h>
 
///----------------------------------------------------------------------------|
///
///----------------------------------------------------------------------------:
#include <string>
#include <windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
 
float a = 0.f;
 
void text(Graphics* G)
{   const wchar_t* s = L"Яша любит Олю.";
    Font font(L"Courier", 20.f, FontStyleBold);
    SolidBrush brush(Color(255, 255, 255, 0  ));
 
    G->DrawString(s, -1, &font, PointF(10.f, 10.f), &brush);
 
    std::wstring ss(L"Угол: ");
                 ss += std::to_wstring(int(a)) + L" градусов.";
 
    G->DrawString(ss.c_str(), -1, &font, PointF(10.f, 40.f), &brush);
}
 
void Ellips(Graphics* G)
{   HatchBrush* brush = new HatchBrush(
        HatchStyleDiagonalCross,
        Color(255,   0,   0, 255),
        Color(255,  55, 155, 0  )
    );
    Pen* pen = new Pen(Color(255, 255, 0, 0), 3);
    pen->SetDashStyle(DashStyleDash);
 
    a += float(1.f);
 
    G->RotateTransform   (           a, Gdiplus::MatrixOrderAppend);
    G->TranslateTransform(200.f, 200.f, Gdiplus::MatrixOrderAppend);
 
    G->FillEllipse (brush, -100, -50, 200,  100);
    G->DrawEllipse (pen  , -100, -50, 200,  100);
}
 
HWND hwnd;
 
void draw()
{   HDC  hdc  = GetDC(hwnd);
 
    Graphics g(hdc);
 
    Rect paintRect;
    g.GetVisibleClipBounds(&paintRect);
    Bitmap   backBuffer   ( paintRect.Width, paintRect.Height, &g);
    Graphics* G = new Graphics(&backBuffer);
    G->SetSmoothingMode   ( SmoothingModeAntiAlias);
 
    ///-----------------------------|
    /// ГЛАВНЫЙ ЦИКЛ.               |
    ///-----------------------------:
    //while(true)
    {   G->ResetTransform();
        G->Clear(Color(255, 0, 0, 55));
 
        Ellips(G);
        text  (G);
 
        g.DrawImage(&backBuffer, 0, 0, 0, 0,
                                 paintRect.Width,
                                 paintRect.Height, UnitPixel);
    }
    delete G;
}
 
///----------------------------------------------------------------------------|
/// Тест.
///----------------------------------------------------------------------------:
struct  Gdiplus_
{       Gdiplus_()
        {
            GdiplusStartup    (&gdiplusToken, &gdiplusStartupInput, NULL);
        }
       ~Gdiplus_()
        {   GdiplusShutdown(gdiplusToken);
        }
 
    GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR           gdiplusToken;
};
 
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
 
TCHAR szClassName[ ] = _T("CodeBlocksWindowsApp");
 
int WINAPI WinMain (HINSTANCE hThisInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR lpszArgument,
                     int nCmdShow)
{
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */
 
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);
 
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
 
    if (!RegisterClassEx (&wincl))
        return 0;
 
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           _T("Code::Blocks Template Windows App"),       /* Title Text */
           WS_OVERLAPPEDWINDOW, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           544,                 /* The programs width */
           375,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );
 
    SetTimer  (hwnd, 1, 20, 0);
 
    ShowWindow(hwnd, nCmdShow);
 
    Gdiplus_ gdiplus;
 
    UpdateWindow(hwnd);
 
    while (GetMessage   (&messages, NULL, 0, 0))
    {
        TranslateMessage(&messages);
        DispatchMessage (&messages);
    }
 
    return messages.wParam;
}
 
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
        case WM_TIMER: draw(); break;
 
        case WM_DESTROY:
            PostQuitMessage (0);
            break;
        default:
            return DefWindowProc (hwnd, message, wParam, lParam);
    }
 
    return 0;
}