bl WndCreate(char* title, int width, int height, int bits, bl ifFullScreen)
{
  GLuint    PixelFormat;      // Holds The Results After Searching For A Match
  WNDCLASS  wc;//窗口类
  DWORD    dwExStyle;//窗口的扩展风格
  DWORD    dwStyle;//窗口风格
  RECT    WindowRect;//窗口大小
  DEVMODE dmScreenSettings; 
	//设定窗口大小
  WindowRect.left = (long)0;
  WindowRect.right = (long)width;
  WindowRect.top = (long)0;
  WindowRect.bottom = (long)height;

  fullScreen=ifFullScreen;//设定全局的全屏指示变量

  hInstance      = GetModuleHandle (NULL);//设定进程句柄
  wc.style      = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;//设定窗口风格
  wc.lpfnWndProc    = (WNDPROC) WndProc;//设定消息处理函数
  wc.cbClsExtra    = 0;//无类附加信息
  wc.cbWndExtra    = 0;//无窗口附加信息
  wc.hInstance    = hInstance;//设定类中的进程句柄
  wc.hIcon      = LoadIcon(NULL, IDI_WINLOGO);//使用默认图标
  wc.hCursor      = LoadCursor(NULL, IDC_ARROW);//使用默认鼠标指针
  wc.hbrBackground  = NULL;//无背景画笔
  wc.lpszMenuName    = NULL;//没有菜单
  wc.lpszClassName  = "MyClass";//设定类名称

  if (!RegisterClass(&wc))//注册窗口类
  {
    MessageBox(NULL,"注册窗口类失败。","错误",MB_OK|MB_ICONEXCLAMATION);
    return f;
  }
  
  if (fullScreen)//程序请求全屏状态，设法改变显示设置
  {
		MessageBox (NULL, "全屏状态准备中", "信息", MB_OK);
    memset(&dmScreenSettings,0,sizeof(dmScreenSettings));//清空变量
    dmScreenSettings.dmSize=sizeof(dmScreenSettings);
    dmScreenSettings.dmPelsWidth  = width;//宽
    dmScreenSettings.dmPelsHeight  = height;//高
    dmScreenSettings.dmBitsPerPel  = bits;//BPP；
    dmScreenSettings.dmFields=DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;

    //尝试改变显示设置
    if (ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL)
    {
      //无法使用全屏模式
      if (MessageBox (NULL,"您的显卡似乎不支持所需的全屏模式。\n换用窗口模式吗？","Purple^Moon Present",MB_YESNO | MB_ICONEXCLAMATION)==IDYES)
      {
        fullScreen = f;    //换用窗口模式
      }
      else
      {
        //退出
        MessageBox (NULL,"程序将从此退出。","错误",MB_OK|MB_ICONSTOP);
        return f;                  // Return f
      }
    }
  }

  if (fullScreen) 
  {
		MessageBox (NULL, "全屏状态准备中", "信息", MB_OK);
    dwExStyle = WS_EX_APPWINDOW;//扩展风格
    dwStyle = WS_POPUP;//基础风格    
  }
  else
  {
		MessageBox (NULL, "窗口状态准备中", "信息", MB_OK);
    dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;//扩展风格
    dwStyle = WS_CAPTION | WS_MINIMIZEBOX | WS_BORDER | WS_SYSMENU;//基础风格
  }

	//调整窗口大小
	if (!AdjustWindowRectEx(&WindowRect, dwStyle, f, dwExStyle))
		MessageBox (NULL, "调整窗口大小失败", "消息", MB_OK);
	if (!hInstance)
		MessageBox (NULL, "不能获得进程句柄", "消息", MB_OK);
	MessageBox (NULL, "准备的窗口标题是", title, MB_OK);
  if (!(hWnd = CreateWindowEx(dwExStyle,//扩展风格
                "MyClass",//类名
                title,//标题
                dwStyle |//基础风格
                WS_CLIPSIBLINGS |//基础风格
                WS_CLIPCHILDREN,//基础风格
                0, 0,//窗口位置
                WindowRect.right - WindowRect.left,//窗口宽
                WindowRect.bottom - WindowRect.top,//窗口高
                NULL,//无父窗口
                NULL,//无菜单
                hInstance,//指定进程
                NULL)))//无附加信息
  {
    WndDestroy();//销毁并复位
    MessageBox(NULL,"创建窗口失败。","错误", MB_OK|MB_ICONEXCLAMATION);
    return f;//失败
  }
	MessageBox (NULL, "窗体终于创建成功了！OTL", "成功了", MB_OK);
	return f;

  static  PIXELFORMATDESCRIPTOR pfd=
  {
    sizeof(PIXELFORMATDESCRIPTOR),//pfd的大小
    1,//版本
    PFD_DRAW_TO_WINDOW |//直接绘制到窗口
    PFD_SUPPORT_OPENGL |//支持OpenGL
    PFD_DOUBLEBUFFER,//双缓冲
    PFD_TYPE_RGBA,//RGBA格式
    0,//色深
    0, 0, 0, 0, 0, 0,//忽略的颜色
    0,//无Alpha缓冲区
    0,//忽略平移位
    0,                      // No Accumulation Buffer
    0, 0, 0, 0,                  // Accumulation Bits Ignored
    16,                      // 16Bit Z-Buffer (Depth Buffer)  
    0,                      // No Stencil Buffer
    0,                      // No Auxiliary Buffer
    PFD_MAIN_PLANE,                // Main Drawing Layer
    0,                      // Reserved
    0, 0, 0                    // Layer Masks Ignored
  };
  pfd.cColorBits = bits;//设定色深
  
  if (!(hDC=GetDC(hWnd)))//获取设备上下文
  {
    WndDestroy();//重置销毁
    MessageBox(NULL,"无法创建OpenGL渲染设备。","错误",MB_OK|MB_ICONEXCLAMATION);
    return f;
  }

  if (!(PixelFormat=ChoosePixelFormat(hDC,&pfd)))//指定像素模式
  {
    WndDestroy();//重置销毁
    MessageBox(NULL,"无法找到合适的像素模式","错误",MB_OK|MB_ICONEXCLAMATION);
    return f;
  }

  if(!SetPixelFormat(hDC,PixelFormat,&pfd))//使用像素模式
  {
    WndDestroy();//重置销毁
    MessageBox(NULL,"无法设置像素格式。","错误",MB_OK|MB_ICONEXCLAMATION);
    return f;
  }

  if (!(hRC=wglCreateContext(hDC)))//创建OpenGL设备
  {
    WndDestroy();//重置销毁
    MessageBox(NULL,"无法创建OpenGL渲染设备。","错误",MB_OK|MB_ICONEXCLAMATION);
    return f;
  }

  if(!wglMakeCurrent(hDC,hRC))//激活OpenGL设备
  {
    WndDestroy();//重置销毁
    MessageBox(NULL,"无法激活OpenGL渲染设备。","错误",MB_OK|MB_ICONEXCLAMATION);
    return f;
  }

  ShowWindow(hWnd,SW_SHOW);//显示窗口
  SetForegroundWindow(hWnd);
  SetFocus(hWnd);
	xInitGL ();
  xResizeFrame(width, height);


  return t;
}