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主题:帮助寻找错误(Directx3D中窗口的创建)

#include "stdafx.h"
#include "resource.h"
#include "d3d9.h"
#include "windows.h"
#pragma  comment(lib,"d3d9.lib")

#define MAX_LOADSTRING 100

// 全局变量:
LPDIRECT3D9             g_pD3D       = NULL; // 用来创建D3D设备
LPDIRECT3DDEVICE9       g_pd3dDevice = NULL; // D3D设备
HINSTANCE hInstance;                         // current instance   
HWND  hWnd;    
TCHAR szTitle[MAX_LOADSTRING];                 // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];         // The title bar text


// 函数声明:
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK    About(HWND, UINT, WPARAM, LPARAM);
HRESULT InitD3D(HWND);
VOID    Cleanup();

// 初始化D3D
HRESULT InitD3D( HWND hWnd )
{
    // 创建D3D对象
    if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
        return E_FAIL;

    // 获取当前的显示模式
    D3DDISPLAYMODE d3ddm;
    if( FAILED( g_pD3D->GetAdapterDisplayMode( D3DADAPTER_DEFAULT, &d3ddm ) ) )
        return E_FAIL;

    D3DPRESENT_PARAMETERS d3dpp; 
    ZeroMemory( &d3dpp, sizeof(d3dpp) );
    d3dpp.Windowed = TRUE;                        // 窗口模式
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;    // 设置交换模式
    d3dpp.BackBufferFormat = d3ddm.Format;        // 设置背景缓冲区格式为当前左面格式

    // 创建D3D设备
    // 第一个参数:使用默认的显卡适配器
    // 第二个参数:请求使用硬件抽象层(HAL)
    // 第三个参数:窗口句柄
    // 第四个参数:使用软件处理顶点
    // 第五个参数:创建的参数
    // 第六个参数:创建的D3D设备指针
    if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, 
                                      D3DDEVTYPE_HAL, 
                                      hWnd,
                                      D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                                      &d3dpp, 
                                      &g_pd3dDevice ) ) )
    {
        return E_FAIL;
    }

    return S_OK;
}
// 释放D3D
VOID Cleanup()
{
    if( g_pd3dDevice != NULL) 
        g_pd3dDevice->Release();

    if( g_pD3D != NULL)
        g_pD3D->Release();
}

// 渲染
VOID Render()
{
    if( NULL == g_pd3dDevice )
        return;

    // 清除背景为兰色
    g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );
    
    // 开始绘制场景
    g_pd3dDevice->BeginScene();
    
    // 这里绘制你需要的东西
    
    // 结束场景绘制
    g_pd3dDevice->EndScene();
    
    // 显示到屏幕上
    g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}

[size=1][/size]

回复列表 (共3个回复)

沙发

//主函数入口
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
    MSG msg;
    HACCEL hAccelTable;

    // 初始化全局变量
    LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadString(hInstance, IDC_PROJECT2, szWindowClass, MAX_LOADSTRING);
    //注册窗口
    MyRegisterClass(hInstance);

    // 
    if (!InitInstance (hInstance, nCmdShow)) 
    {
        return FALSE;
    }

    hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_PROJECT2);

    // 主循环:
    if(SUCCEEDED(InitD3D(hWnd)))
    { 
     ShowWindow(hWnd, nCmdShow);
     UpdateWindow(hWnd);
         while (GetMessage(&msg, NULL, 0, 0)) 
      { 
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
      }
    }
    Cleanup();
    return msg.wParam;
}



//
// 注册窗口类
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEX wcex;

    wcex.cbSize = sizeof(WNDCLASSEX); 

    wcex.style            = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = (WNDPROC)WndProc;
    wcex.cbClsExtra        = 0;
    wcex.cbWndExtra        = 0;
    wcex.hInstance        = hInstance;
    wcex.hIcon            = LoadIcon(hInstance, (LPCTSTR)IDI_PROJECT2);
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground    = (HBRUSH)(COLOR_WINDOW+1);                    //window 颜色+1
    wcex.lpszMenuName    = (LPCSTR)IDC_PROJECT2;
    wcex.lpszClassName    = szWindowClass;                
    wcex.hIconSm        = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL); //获取小图标

    return RegisterClassEx(&wcex);   //注册窗口类
}

//
// 创建窗口
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;

   hInstance = hInstance; // Store instance handle in our global variable

   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); //此处没有设置window 
                                                                        //menu handle  

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

板凳

//
// 窗口过程;
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    int wmId, wmEvent;
//    PAINTSTRUCT ps;
//    HDC hdc;

    switch (message) 
    {
        case WM_COMMAND:
            wmId    = LOWORD(wParam); 
            wmEvent = HIWORD(wParam); 
            // Parse the menu selections:
            switch (wmId)
            {
                case IDM_ABOUT:
                   DialogBox(hInstance, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
                   break;
                case IDM_EXIT:
                   DestroyWindow(hWnd);
                   break;
                case IDM_new:
                   
                   break;
                case IDM_open:
                   
                   break;
                case  IDM_box:

                   break;
    
                case IDM_text:

                default:
                   return DefWindowProc(hWnd, message, wParam, lParam);
            }
            break;
        case WM_PAINT:
             Render();
             ValidateRect( hWnd, NULL );
             break;
        case WM_DESTROY:
            PostQuitMessage(0);
            break;
        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}

// Mesage handler for about box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
        case WM_INITDIALOG:
                return TRUE;

        case WM_COMMAND:
            if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
            {
                EndDialog(hDlg, LOWORD(wParam));
                return TRUE;
            }
            break;
    }
    return FALSE;
}

3 楼

我晕  
你把错误信息发上来就可以了 

老大

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