手寫Tutorial 01例子是創建Windows窗口，并創建D3D設備。 97行，PeekMessage(&msg , 0 , 0 , 0 , PM_REMOVE)第二個參數如果改成PeekMessage(&msg , hWnd , 0 , 0 , PM_REMOVE)就會出現無法退出程序的問題！請注意！ 44行，g_pd3dDevice->Present(0 , 0 , 0 , 0);這句話千萬不要漏掉哦！否則就會顯示花瓶！ ??1 #include?<d3dx9.h>
??2
??3#define?SAFE_RELEASE(o)?{if(o){o->Release();o=0;}}
??4
??5LPDIRECT3D9?g_pD3D?=?0;
??6LPDIRECT3DDEVICE9?g_pd3dDevice?=?0;
??7
??8//?創建D3D設備
??9HRESULT?InitD3D(HWND?hWnd)
?10   {
?11 ????//?創建D3D?SDK
?12????if(NULL?==?(g_pD3D?=?Direct3DCreate9(D3D_SDK_VERSION)))
?13????????return?E_FAIL;
?14
?15
?16????D3DPRESENT_PARAMETERS?d3dpp;
?17????memset(&d3dpp?,?0?,?sizeof(d3dpp));
?18????d3dpp.Windowed?=?true;
?19????d3dpp.BackBufferFormat?=?D3DFMT_UNKNOWN;
?20????d3dpp.SwapEffect?=?D3DSWAPEFFECT_DISCARD;
?21
?22????RECT?rect;
?23????GetClientRect(hWnd?,?&rect);
?24????d3dpp.BackBufferWidth?=?rect.right?-?rect.left;
?25????d3dpp.BackBufferHeight?=?rect.bottom?-?rect.top;
?26
?27????if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT
?28????????,?D3DDEVTYPE_HAL
?29????????,?hWnd
?30????????,?D3DCREATE_HARDWARE_VERTEXPROCESSING
?31????????,?&d3dpp?,?&g_pd3dDevice
?32????????)))
?33????????return?E_FAIL;
?34????
?35????return?S_OK;
?36 }
?37
?38//?渲染
?39void?Render()
?40{
?41????//?清空成藍色
?42????g_pd3dDevice->Clear(0?,?0?,?D3DCLEAR_TARGET?,?D3DCOLOR_XRGB(0?,?0?,?255)?,?1.0f?,?0);
?43????//?顯示
?44????g_pd3dDevice->Present(0?,?0?,?0?,?0);
?45}
?46
?47//?清除占有的內存
?48void?CleanUp()
?49{
?50????SAFE_RELEASE(g_pD3D);
?51}
?52
?53//?消息處理
?54LRESULT?WINAPI?MsgProc(HWND?hWnd?,?UINT?message?,?WPARAM?wParam?,?LPARAM?lParam)
?55{
?56????switch(message)
?57  ????{
?58????case?WM_DESTROY:
?59????????CleanUp();
?60????????PostQuitMessage(0);
?61????????return?0;
?62????????break;
?63????default:
?64????????break;
?65 ????}
?66????return?DefWindowProc(hWnd,?message?,?wParam?,?lParam);
?67}
?68
?69//?Windows入口
?70int?WINAPI?WinMain(IN?HINSTANCE?hInstance,?IN?HINSTANCE?hPrevInstance,?IN?LPSTR?lpCmdLine,?IN?int?nShowCmd)
?71{
?72????WNDCLASS?wndClass;
?73????memset(&wndClass?,?0?,?sizeof(wndClass));
?74????wndClass.hInstance?=?hInstance;
?75????wndClass.lpszClassName?=?"Tutorial01";
?76????wndClass.style?=?0;
?77????wndClass.lpfnWndProc?=?MsgProc;
?78????//?注冊窗口類
?79????RegisterClass(&wndClass);
?80
?81????//?創建窗口
?82????HWND?hWnd?=?CreateWindow("Tutorial01"?,?"Tutorial01?:?CreateDevice"?,?WS_OVERLAPPEDWINDOW?
?83????????,?0?,?0?,?512?,?512?,?GetDesktopWindow()
?84????????,?0?,?wndClass.hInstance?,?0);
?85
?86????//?顯示窗口
?87????ShowWindow(hWnd?,?SW_SHOWDEFAULT);
?88????UpdateWindow(hWnd);
?89
?90????if(SUCCEEDED(InitD3D(hWnd)))
?91????{
?92????????//?消息循環
?93????????MSG?msg;
?94????????memset(&msg?,?0?,?sizeof(msg));
?95????????while(msg.message?!=?WM_QUIT)
?96????????{
?97????????????if(PeekMessage(&msg?,?0?,?0?,?0?,?PM_REMOVE))
?98????????????{
?99????????????????DispatchMessage(&msg);
100????????????????TranslateMessage(&msg);
101????????????}
102????????????else
103????????????{
104????????????????Render();
105????????????}
106????????}
107????}
108
109????CleanUp();
110????UnregisterClass("Tutorial01"?,?wndClass.hInstance);
111????return?0;
112}
113
114
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