code are as follows: //----------------------------------------------------------------------------- // Name: WinMain() // Desc: The application''s entry point //----------------------------------------------------------------------------- INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT ) { // Register the window class WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, "D3D Tutorial", NULL }; RegisterClassEx( &wc ); // ҪȫÆÁ±ØÐëÒªWS_POPUP //HWND hWnd = CreateWindow( "D3D Tutorial", "D3D Tutorial 02: Vertices", //WS_POPUP, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN), //GetDesktopWindow(), NULL, wc.hInstance, NULL ); HWND hWnd = CreateWindow( "D3D Tutorial", "D3D Tutorial 02: Vertices", WS_OVERLAPPEDWINDOW, 0, 0, 300, 300, GetDesktopWindow(), NULL, wc.hInstance, NULL ); // Initialize Direct3D if( SUCCEEDED( InitD3D( hWnd ) ) ) { // Create the vertex buffer //if( SUCCEEDED( InitVB() ) ) { //´´½¨Ìûͼ //if( SUCCEEDED( InitGeometry() ) ) { // Show the window ShowWindow( hWnd, SW_SHOWDEFAULT ); UpdateWindow( hWnd ); // Enter the message loop MSG msg; ZeroMemory( &msg, sizeof(msg) ); while( msg.message!=WM_QUIT ) { if( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) ) { TranslateMessage( &msg ); DispatchMessage( &msg ); } else Render(); } } } } UnregisterClass( "D3D Tutorial", wc.hInstance ); return 0; } //----------------------------------------------------------------------------- // Name: Render() // Desc: Draws the scene //----------------------------------------------------------------------------- VOID Render() { // Clear the backbuffer and the zbuffer g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER,D3DCOLOR_XRGB(0,0,255), 1.0f, 0 ); // Begin the scene if( SUCCEEDED( g_pd3dDevice->BeginScene() ) ) { //ÉèÖÃÎÆÀí //g_pd3dDevice->SetTexture(0, g_pTexture); //g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 ); // Render the vertex buffer contents //g_pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof(CUSTOMVERTEX) ); //g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX ); //g_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLESTRIP, 0, 2 ); // End the scene g_pd3dDevice->EndScene(); } // Present the backbuffer contents to the display g_pd3dDevice->Present( NULL, NULL, NULL, NULL ); } HRESULT InitD3D( HWND hWnd ) { // Create the D3D object. if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) ) return E_FAIL; // Set up the structure used to create the D3DDevice D3DPRESENT_PARAMETERS d3dpp; ZeroMemory( &d3dpp, sizeof(d3dpp) ); d3dpp.Windowed = TRUE; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.BackBufferFormat = D3DFMT_UNKNOWN; // Create the D3DDevice if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &g_pd3dDevice ) ) ) { return E_FAIL; } // Device state would normally be set here return S_OK; }

how do you modify the clipping distance near and far values?

Just curious