typedef struct tagWNDCLASSW {

UINT style;

WNDPROC lpfnWndProc;

int cbClsExtra;

int cbWndExtra;

HINSTANCE hInstance;

HICON hIcon;

HCURSOR hCursor;

HBRUSH hbrBackground;

LPCWSTR lpszMenuName;

LPCWSTR lpszClassName;

}

#include <Windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

HINSTANCE g_hInst;

LPCTSTR lpszClass=TEXT("First API project");

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdParam, int nCmdShow)

{

    HWND hWnd;

    MSG Message;

    WNDCLASS WndClass;

    g_hInst=hInstance;

    WndClass.cbClsExtra=0;

    WndClass.cbWndExtra=0;

    WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);

    WndClass.hCursor=LoadCursor(NULL, IDC_ARROW);

    WndClass.hIcon=LoadIcon(NULL, IDI_APPLICATION);

    WndClass.hInstance=hInstance;

    WndClass.lpfnWndProc=WndProc;

    WndClass.lpszClassName=lpszClass;

    WndClass.lpszMenuName=NULL;

    WndClass.style=CS_HREDRAW|CS_VREDRAW;

    RegisterClass(&WndClass);

    hWnd=CreateWindow(lpszClass, lpszClass, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, (HMENU)NULL, hInstance, NULL);

    ShowWindow(hWnd, nCmdShow);

    while(GetMessage(&Message, NULL, 0, 0))

    {

        TranslateMessage(&Message);

        DispatchMessage(&Message);

    }

    return (int)Message.wParam;

}

LRESULT CALLBACK WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam)

{

    switch(iMessage)

    {

    case WM_DESTROY:

        PostQuitMessage(0);

        return 0;

    }

    return(DefWindowProc(hWnd, iMessage, wParam, lParam));

}