Как начать работать новичку?

///----------------------------------------------------------------------------|
/// ...
///----------------------------------------------------------------------------:
#include <string>
#include <windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
 
float a = 0.f;
 
void Ellips(Graphics* G)
{   HatchBrush* brush = new HatchBrush(
        HatchStyleDiagonalCross,
        Color(255,  0, 0, 255),
        Color(255,  0, 0, 255)
    );
    Pen* pen = new Pen(Color(255, 0, 0, 0), 3);
    pen->SetDashStyle(DashStyleDash);
 
    a += float(1.f);
 
    G->TranslateTransform(150.f, 150.f, Gdiplus::MatrixOrderAppend);
    G->FillEllipse (brush, 0, 0, 200, 200);
}
 
void draw()
{   HWND hWnd = GetConsoleWindow();
    HDC  hdc  = GetDC(hWnd);
 
    Graphics g(hdc);
 
    Rect paintRect(0,0,500,500);
    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, 255, 255, 255));
 
        Ellips(G);
 
        g.DrawImage(&backBuffer, 0, 0, 0, 0,
                                 paintRect.Width,
                                 paintRect.Height, UnitPixel);
        Sleep(50);
    }
    delete G;
}
 
///----------------------------------------------------------------------------|
/// Тест.
///----------------------------------------------------------------------------:
int main()
{   GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR           gdiplusToken;
    GdiplusStartup    (&gdiplusToken, &gdiplusStartupInput, NULL);
    setlocale(0, "");
    SetConsoleTitleW(L"Двойная буферизация.");
    system("mode 70,40");
 
    draw();
 
    GdiplusShutdown(gdiplusToken);
    return 0;
}

///----------------------------------------------------------------------------|
/// ...
///----------------------------------------------------------------------------:
#include <string>
#include <windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
 
float a = 0.f;
 
void Ellips(Graphics* G)
{   HatchBrush* brush = new HatchBrush(
        HatchStyleDiagonalCross,
        Color(255,  0, 0, 255),
        Color(255,  0, 0, 255)
    );
    Pen* pen = new Pen(Color(255, 0, 0, 0), 3);
    pen->SetDashStyle(DashStyleDash);
 
    a += float(1.f);
 
    G->TranslateTransform(150.f, 150.f, Gdiplus::MatrixOrderAppend);
    G->FillEllipse (brush, 0, 0, 200, 200);
}
 
void draw()
{   HWND hWnd = GetConsoleWindow();
    HDC  hdc  = GetDC(hWnd);
 
    Graphics g(hdc);
 
    Rect paintRect(0,0,500,500);
    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, 255, 255, 255));
 
        Ellips(G);
 
        g.DrawImage(&backBuffer, 0, 0, 0, 0,
                                 paintRect.Width,
                                 paintRect.Height, UnitPixel);
        Sleep(50);
    }
    delete G;
}
 
///----------------------------------------------------------------------------|
/// Тест.
///----------------------------------------------------------------------------:
int main()
{   HWND hwnd = GetConsoleWindow();
    RECT r;
    GetWindowRect(hwnd, &r);
 
    GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR           gdiplusToken;
    GdiplusStartup    (&gdiplusToken, &gdiplusStartupInput, NULL);
    setlocale(0, "");
    SetConsoleTitleW(L"Двойная буферизация.");
 
    MoveWindow(hwnd, r.left, r.top, 516, 500, TRUE);
    CONSOLE_SCREEN_BUFFER_INFO screenBufferInfo;
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    GetConsoleScreenBufferInfo(hConsole, &screenBufferInfo);
 
    COORD new_screen_buffer_size;
 
    new_screen_buffer_size.X = screenBufferInfo.srWindow.Right -
    screenBufferInfo.srWindow.Left + 1; // Columns
    new_screen_buffer_size.Y = screenBufferInfo.srWindow.Bottom -
    screenBufferInfo.srWindow.Top + 1; // Rows
 
    SetConsoleScreenBufferSize(hConsole, new_screen_buffer_size);
 
    draw();
 
    GdiplusShutdown(gdiplusToken);
    return 0;
}

///----------------------------------------------------------------------------|
/// ...
///----------------------------------------------------------------------------:
#include <string>
#include <windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
 
float a = 0.f;
 
void Ellips(Graphics* G)
{   HatchBrush* brush = new HatchBrush(
        HatchStyleDiagonalCross,
        Color(255,  0, 0, 255),
        Color(255,  0, 0, 255)
    );
    Pen* pen = new Pen(Color(255, 0, 0, 0), 3);
    pen->SetDashStyle(DashStyleDash);
 
    a += float(1.f);
 
    //G->TranslateTransform(150.f, 150.f, Gdiplus::MatrixOrderAppend);
    G->FillEllipse (brush, 0, 0, 10, 10);
}
 
void draw()
{   HWND hWnd = GetConsoleWindow();
    HDC  hdc  = GetDC(hWnd);
 
    Graphics g(hdc);
 
    Rect paintRect(0,0,500,500);
    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, 255, 255, 255));
 
        Ellips(G);
 
        g.DrawImage(&backBuffer, 0, 0, 0, 0,
                                 paintRect.Width,
                                 paintRect.Height, UnitPixel);
        Sleep(50);
    }
    delete G;
}
 
    void Blinking(int off=99)// МЕРЦАНИЕ УБРАТЬ
    {   CONSOLE_CURSOR_INFO cci;
        cci.dwSize=off;
        cci.bVisible=false;
        HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE);
        SetConsoleCursorInfo(hCon,  &cci);
    }
 
///----------------------------------------------------------------------------|
/// Тест.
///----------------------------------------------------------------------------:
int main()
{   HWND hwnd = GetConsoleWindow();
    RECT r;
    GetWindowRect(hwnd, &r);
 
    GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR           gdiplusToken;
    GdiplusStartup    (&gdiplusToken, &gdiplusStartupInput, NULL);
    setlocale(0, "");
    SetConsoleTitleW(L"Двойная буферизация.");
 
 
    MoveWindow(hwnd, r.left, r.top, 516, 500, TRUE);
    CONSOLE_SCREEN_BUFFER_INFO screenBufferInfo;
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    GetConsoleScreenBufferInfo(hConsole, &screenBufferInfo);
 
    COORD new_screen_buffer_size;
 
    new_screen_buffer_size.X = screenBufferInfo.srWindow.Right -
    screenBufferInfo.srWindow.Left + 1; // Columns
    new_screen_buffer_size.Y = screenBufferInfo.srWindow.Bottom -
    screenBufferInfo.srWindow.Top + 1; // Rows
 
    SetConsoleScreenBufferSize(hConsole, new_screen_buffer_size);
 
    Blinking();
    draw();
 
    GdiplusShutdown(gdiplusToken);
    return 0;
}

#if defined(UNICODE) && !defined(_UNICODE)
    #define _UNICODE
#elif defined(_UNICODE) && !defined(UNICODE)
    #define UNICODE
#endif
 
#include <tchar.h>
#include <windows.h>
 
/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
 
/*  Make the class name into a global variable  */
TCHAR szClassName[ ] = _T("CodeBlocksWindowsApp");
 
int WINAPI WinMain (HINSTANCE hThisInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR lpszArgument,
                     int nCmdShow)
{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */
 
    /* The Window structure */
    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);
 
    /* Use default icon and mouse-pointer */
    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 */
    /* Use Windows's default colour as the background of the window */
    wincl.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
 
    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;
 
    /* The class is registered, let's create the program*/
    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 */
           500,                 /* The programs width */
           500,                 /* 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 */
           );
 
    /* Make the window visible on the screen */
    ShowWindow (hwnd, nCmdShow);
 
    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }
 
    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}
 
 
/*  This function is called by the Windows function DispatchMessage()  */
 
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)                  /* handle the messages */
    {
        case WM_DESTROY:
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }
 
    return 0;
}