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MAJOR Problem!

Zayan Imran (5)
Hi! I've reading the tutorial on programming with DirectX. I was reading http://www.directxtutorial.com/Lesson.aspx?lessonid=9-4-1 and then I did all what he said, the tutorial provided me a source code too (see "main.cpp")
Here is the code:
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// include the basic windows header files and the Direct3D header file
#include <windows.h>
#include <windowsx.h>
#include <d3d9.h>
#include "stdafx.h"

// include the Direct3D Library file
#pragma comment (lib, "d3d9.lib")

// global declarations
LPDIRECT3D9 d3d;    // the pointer to our Direct3D interface
LPDIRECT3DDEVICE9 d3ddev;    // the pointer to the device class

// function prototypes
void initD3D(HWND hWnd);    // sets up and initializes Direct3D
void render_frame(void);    // renders a single frame
void cleanD3D(void);    // closes Direct3D and releases memory

// the WindowProc function prototype
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);


// the entry point for any Windows program
int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPSTR lpCmdLine,
                   int nCmdShow)
{
    HWND hWnd;
    WNDCLASSEX wc;

    ZeroMemory(&wc, sizeof(WNDCLASSEX));

    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
    wc.lpszClassName = L"WindowClass";

    RegisterClassEx(&wc);

    hWnd = CreateWindowEx(NULL,
                          L"WindowClass",
                          L"Our First Direct3D Program",
                          WS_OVERLAPPEDWINDOW,
                          300, 300,
                          800, 600,
                          NULL,
                          NULL,
                          hInstance,
                          NULL);

    ShowWindow(hWnd, nCmdShow);

    // set up and initialize Direct3D
    initD3D(hWnd);

    // enter the main loop:

    MSG msg;

    while(TRUE)
    {
        while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

        if(msg.message == WM_QUIT)
            break;

        render_frame();
    }

    // clean up DirectX and COM
    cleanD3D();

    return msg.wParam;
}


// this is the main message handler for the program
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch(message)
    {
        case WM_DESTROY:
            {
                PostQuitMessage(0);
                return 0;
            } break;
    }

    return DefWindowProc (hWnd, message, wParam, lParam);
}


// this function initializes and prepares Direct3D for use
void initD3D(HWND hWnd)
{
    d3d = Direct3DCreate9(D3D_SDK_VERSION);    // create the Direct3D interface

    D3DPRESENT_PARAMETERS d3dpp;    // create a struct to hold various device information

    ZeroMemory(&d3dpp, sizeof(d3dpp));    // clear out the struct for use
    d3dpp.Windowed = TRUE;    // program windowed, not fullscreen
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;    // discard old frames
    d3dpp.hDeviceWindow = hWnd;    // set the window to be used by Direct3D


    // create a device class using this information and the info from the d3dpp stuct
    d3d->CreateDevice(D3DADAPTER_DEFAULT,
                      D3DDEVTYPE_HAL,
                      hWnd,
                      D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                      &d3dpp,
                      &d3ddev);
}


// this is the function used to render a single frame
void render_frame(void)
{
    // clear the window to a deep blue
    d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);

    d3ddev->BeginScene();    // begins the 3D scene

    // do 3D rendering on the back buffer here

    d3ddev->EndScene();    // ends the 3D scene

    d3ddev->Present(NULL, NULL, NULL, NULL);   // displays the created frame on the screen
}


// this is the function that cleans up Direct3D and COM
void cleanD3D(void)
{
    d3ddev->Release();    // close and release the 3D device
    d3d->Release();    // close and release Direct3D
}


BUT IT GIVES ME THESE ERRORS:

[code]
1>------ Build started: Project: app, Configuration: Debug Win32 ------
1> app.cpp

1>j:\c & c++\projects\app\app\app.cpp(3): warning C4627: '#include <windowsx.h>': skipped when looking for precompiled header use
1> Add directive to 'StdAfx.h' or rebuild precompiled header

1>j:\c & c++\projects\app\app\app.cpp(4): warning C4627: '#include <d3d9.h>':
skipped when looking for precompiled header use
1> Add directive to 'StdAfx.h' or rebuild precompiled header

1>j:\c & c++\projects\app\app\app.cpp(11): error C2146: syntax error : missing ';' before identifier 'd3d'

1>j:\c & c++\projects\app\app\app.cpp(11): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

1>j:\c & c++\projects\app\app\app.cpp(11): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

1>j:\c & c++\projects\app\app\app.cpp(12): error C2146: syntax error : missing ';' before identifier 'd3ddev'

1>j:\c & c++\projects\app\app\app.cpp(12): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

1>j:\c & c++\projects\app\app\app.cpp(12): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

1>j:\c & c++\projects\app\app\app.cpp(104): error C2065: 'D3D_SDK_VERSION' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(104): error C3861: 'Direct3DCreate9': identifier not found

1>j:\c & c++\projects\app\app\app.cpp(106): error C2065: 'D3DPRESENT_PARAMETERS' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(106): error C2146: syntax error : missing ';' before identifier 'd3dpp'

1>j:\c & c++\projects\app\app\app.cpp(106): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(108): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(108): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(108): error C2070: ''unknown-type'': illegal sizeof operand

1>j:\c & c++\projects\app\app\app.cpp(109): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(109): error C2228: left of '.Windowed' must have class/struct/union
1> type is ''unknown-type''

1>j:\c & c++\projects\app\app\app.cpp(110): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(110): error C2228: left of '.SwapEffect' must have class/struct/union
1> type is ''unknown-type''

1>j:\c & c++\projects\app\app\app.cpp(110): error C2065: 'D3DSWAPEFFECT_DISCARD' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(111): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(111): error C2228: left of '.hDeviceWindow' must have class/struct/union
1> type is ''unknown-type''

1>j:\c & c++\projects\app\app\app.cpp(115): error C2227: left of '-
>CreateDevice' must point to class/struct/union/generic type
1> type is 'int'

1>j:\c & c++\projects\app\app\app.cpp(115): error C2065: 'D3DADAPTER_DEFAULT' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(116): error C2065: 'D3DDEVTYPE_HAL' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(118): error C2065: 'D3DCREATE_SOFTWARE_VERTEXPROCESSING' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(119): error C2065: 'd3dpp' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(128): error C2227: left of '->Clear' must point to class/struct/union/generic type
1> type is 'int'

1>j:\c & c++\projects\app\app\app.cpp(128): error C2065: 'D3DCLEAR_TARGET' : undeclared identifier

1>j:\c & c++\projects\app\app\app.cpp(128): error C3861: 'D3DCOLOR_XRGB': identifier not found

1>j:\c & c++\projects\app\app\app.cpp(130): error C2227: left of '->BeginScene' must point to class/struct/union/generic type
1> type is 'int'

1>j:\c & c++\projects\app\app\app.cpp(134): error C2227: left of '->EndScene' must point to class/struct/union/generic type
1> type is 'int'

1>j:\c & c++\projects\app\app\app.cpp(136): error C2227: left of '->Present' must point to class/struct/union/generic type
1> type is 'int'
AND THE SAME 2 TIMES ^
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