Bmp background in C++

I made a program and would like to know how to put a wallpaper behind.
with this code put an orange with a yellow line!

Code:

---

#include "stdafx.h"
#include "Painter.h"

BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
        DisableThreadLibraryCalls(hModule);
        return true;
}

class BackgroundPainter : public Painter
{
private:
        HBRUSH brush;
        HPEN pen;
        HFONT font;

public:
        virtual void Paint(HDC hdc, int horizonOffsetY, int viewOffsetX, int viewOffsetY, int viewWidth, int viewHeight, int x, int y, int width, int height)
        {
                SelectObject(hdc, pen);
                SelectObject(hdc, font);
                SetTextColor(hdc, RGB(0, 0, 0));
                SetBkMode(hdc, TRANSPARENT);

                RECT rc = { x, y, x + width, y + height };
                FillRect(hdc, &rc, brush);

                //como não tem nenhum tratamento especial, apenas soma os dois
                viewOffsetY += horizonOffsetY;

                MoveToEx(hdc, viewOffsetX, viewHeight + viewOffsetY, 0);
                LineTo(hdc, viewOffsetX + 300, viewHeight + viewOffsetY - 300);
                LineTo(hdc, viewOffsetX + 600, viewHeight + viewOffsetY);
                LineTo(hdc, viewOffsetX + 900, viewHeight + viewOffsetY - 300);
                LineTo(hdc, viewOffsetX + 1200, viewHeight + viewOffsetY);

                SetTextAlign(hdc, TA_LEFT);
                TextOut(hdc, 0, 0, TEXT("Eu sou o topo!"), 14);
                TextOut(hdc, viewOffsetX, viewHeight + viewOffsetY - 20, TEXT("Eu sou o baseline!"), 18);

                SetTextAlign(hdc, TA_RIGHT);
                TextOut(hdc, viewWidth, viewHeight + viewOffsetY - 20, TEXT("Eu sou o baseline no canto!"), 27);
        }

        virtual BOOL Initialize()
        {
                brush = CreateSolidBrush(RGB(255, 117, 24));
                pen = CreatePen(PS_SOLID, 2, RGB(255, 201, 14));
                font = (HFONT)GetStockObject(ANSI_VAR_FONT);
                return true;
        }

        virtual void Terminate()
        {
                DeleteObject((HGDIOBJ)brush);
                DeleteObject((HGDIOBJ)pen);
                delete this;
        }
};

__declspec(dllexport) Painter* __stdcall CreateBackgroundPainter()
{
        return new BackgroundPainter();
}

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This is for windows programming innit?

Search for examples (on MSDN or elsewhere) that demonstrate the LoadBitmap() or the LoadImage() function. (Apparently the latter is preferred over the former.)

I suggest you read about GDI leaks and how a Device Contex works (as your code is leaking 2 GDI objects each time it paints).
Under .NET you may not notice this leak or it may crash the whole computer.

I have posted code to do this or similar many time before.