#include <Windows.h>
#include <d3d9.h>
#include <d3dx9.h>IDirect3D9 *g_pD3D;  // D3D对象
IDirect3DDevice9 *g_pd3dDevice;   // D3D设备LRESULT WINAPI MsgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
void Render();
void Cleanup();INT WINAPI WinMain( __in HINSTANCE hInstance, __in_opt HINSTANCE hPrevInstance, __in_opt LPSTR lpCmdLine, __in int nShowCmd )
{// step 1.WNDCLASSEX wc = {sizeof(WNDCLASSEX),CS_CLASSDC,MsgProc,0L, 0L,GetModuleHandle(NULL),NULL, NULL, NULL, NULL,"Direct3D Frame", NULL };RegisterClassEx(&wc);HWND hWnd = CreateWindow("Direct3D Frame","Direct3D BaseFrame",WS_OVERLAPPEDWINDOW, 100, 100, 300, 300,GetDesktopWindow(), NULL, wc.hInstance, NULL);ShowWindow(hWnd, nShowCmd);// step 2.if (NULL == (g_pD3D = Direct3DCreate9(D3D_SDK_VERSION))){return E_FAIL;}D3DPRESENT_PARAMETERS d3dpp;ZeroMemory(&d3dpp, sizeof(d3dpp));d3dpp.Windowed = TRUE;d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;if (FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,D3DCREATE_SOFTWARE_VERTEXPROCESSING,&d3dpp, &g_pd3dDevice)));// step 3.MSG msg;while (GetMessage(&msg, NULL, 0, 0)){TranslateMessage(&msg);DispatchMessage(&msg);}
}LRESULT WINAPI MsgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{switch (msg){case WM_DESTROY:Cleanup();PostQuitMessage(0);return 0;case WM_PAINT:Render();ValidateRect(hWnd, NULL);return 0;}return DefWindowProc(hWnd, msg, wParam, lParam);
}void Render()
{g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0);g_pd3dDevice->BeginScene();// rendering of scene objects happens hereg_pd3dDevice->EndScene();g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
}void Cleanup()
{if (g_pd3dDevice != NULL)g_pd3dDevice ->Release();if (g_pD3D != NULL)g_pD3D->Release();
}

熟悉Win32程序开发的一看就知道，在响应WM_PAINT消息的时候换成了调用Render()这个函数，在这个函数里面你就可以用DX"画"自己的东东了<^^>