#include <windows.h>
#include <d3d9.h>

HWND hWnd;
LPDIRECT3D9 pD3D;
LPDIRECT3DDEVICE9 pDevice;

LRESULT CALLBACK WndProc( HWND hWnd , UINT message ,
    WPARAM wParam , LPARAM lParam){
    switch(message){
    case WM_CLOSE:
        PostQuitMessage(0);
        return 0;
    }
    return DefWindowProc(hWnd,message,wParam,lParam);
}

bool CreateSimpWindow(int width, int height){

    // Create A Window Class Structure
    WNDCLASSEX wc;
    wc.cbClsExtra = 0;
    wc.cbSize = sizeof(wc);
    wc.cbWndExtra = 0;
    wc.hbrBackground = NULL;
    wc.hCursor = NULL;
    wc.hIcon = NULL;
    wc.hIconSm = NULL;
    wc.hInstance = GetModuleHandle(NULL);
    wc.lpfnWndProc = WndProc;
    wc.lpszClassName = "X3D";
    wc.lpszMenuName = NULL;
    wc.style = CS_VREDRAW|CS_HREDRAW|CS_OWNDC;

    // Register Window Class
    RegisterClassEx(&wc);

    // Create Window
    hWnd = CreateWindowEx(0,
       "X3D", "X3D Direct3D Tutorial 1",
       WS_OVERLAPPEDWINDOW|WS_VISIBLE, 100,100,width,height,
       NULL,NULL,wc.hInstance,0);

    return true;
}

bool InitD3D(){
    if((pD3D = Direct3DCreate9(D3D_SDK_VERSION))==NULL){
        return false;
    }
    D3DDISPLAYMODE d3ddm;
    pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm);
    D3DPRESENT_PARAMETERS d3dpp;
    ZeroMemory(&d3dpp, sizeof(d3dpp));
    d3dpp.BackBufferFormat = d3ddm.Format;
    d3dpp.Windowed = true;
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    if(FAILED(pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
    hWnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &pDevice))){
        return false;
    }
    return true;
}

void RenderD3DScene(){
    pDevice->Clear(0,NULL,D3DCLEAR_TARGET,0,1,0);
    pDevice->Present(NULL,NULL,NULL,NULL);
}

void MessageLoop(){
    MSG msg;
    while(true){
        RenderD3DScene();
        if(PeekMessage(&msg,hWnd,0,0,PM_REMOVE)){
             if(msg.message==WM_QUIT)return;
             TranslateMessage(&msg);
             DispatchMessage(&msg);
        }
    }
}

INT WINAPI WinMain( HINSTANCE , HINSTANCE , LPSTR , INT ){

    if(!CreateSimpWindow(400, 400))return 1;

    if(!InitD3D())return 2;

    MessageLoop();
    
    
    return 0;
}

--------------------Configuration: DirectxTEST - Debug--------------------
Compiling source file(s)...
Direct.cpp
Direct.cpp:92:3: warning: no newline at end of file
Linking...
C:\Documents and Settings\R-A-C\Desktop\test\Debug\Direct.o: In function `Z7InitD3Dv':
C:\Documents and Settings\R-A-C\Desktop\test\Direct.cpp:48: undefined reference to `Direct3DCreate9@4'
collect2: ld returned 1 exit status

DirectxTEST.exe - 1 error(s), 1 warning(s)