WINAPI WinMain

#include
#include

LRESULT CALLBACK WndProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPreInstance,LPSTR lpCmdLine,int nShowCmd)
{
 WNDCLASS wc;
 wc.style =  CS_VREDRAW|CS_HREDRAW ;
 wc.lpfnWndProc = WndProc;
 wc.cbClsExtra = 0;
 wc.cbWndExtra = 0;
 wc.hbrBackground = (HBRUSH)(COLOR_WINDOW);
 wc.hIcon = LoadIcon(NULL,IDI_APPLICATION);
 wc.hCursor = LoadCursor(NULL,IDC_ARROW);
 wc.hInstance = hInstance;
 wc.lpszClassName = "mainwindow";
 wc.lpszMenuName = NULL;
 if(!RegisterClass(&wc))
 {
  MessageBeep(0);
  return FALSE;
 }

 HWND hwnd;
 hwnd = CreateWindow(
  "mainwindow",
  NULL,
  WS_OVERLAPPED /*WS_POPUP | WS_VISIBLE*/,
  0,0,500,400,
  NULL,
  NULL,
  hInstance,
  NULL
  );

 ShowWindow(hwnd,nShowCmd);
 UpdateWindow(hwnd);

 MSG uMsg;
 while(GetMessage(&uMsg,hwnd,0,0))
 {
  TranslateMessage(&uMsg);
  DispatchMessage(&uMsg);
 }

 return uMsg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
 switch(uMsg)
 {
 //case WM_PAINT:
 // break;
 //case WM_KEYDOWN:
 // break;
 case WM_DESTROY:
  DestroyWindow(hwnd);
  break;
 default:
  return DefWindowProc(hwnd,uMsg,wParam,lParam);
 }
 return 0;
}

#include

LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam);//窗口消息处理函数

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInst,LPSTR lpszCmdLine,int nCmdShow){
    HWND hwnd;
 MSG Msg;
 WNDCLASS wndclass;
 char lpszClassName[]="test";//窗口类名，实际没有意义
 char lpszTitle[]="我的程序";//应用程序的窗口名
 //LPCTSTR lpszClassName = TEXT("MyApp");
 //LPCTSTR lpszTitle = TEXT("My Application");
 hi=hInstance;//应用程序实例句柄可以在全局使用
 
 ///
 //窗口类型设置/
 ///
 wndclass.style=0;//窗口类型
 wndclass.lpfnWndProc=WndProc;//窗口处理函数
 wndclass.cbClsExtra=0;//窗口类扩展
 wndclass.cbWndExtra=0;//窗口实例扩展
 wndclass.hInstance=hInstance;//当前实例句柄
 wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);//最小化图标
 wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);//光标
 wndclass.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);//背景
 //wndclass.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
 wndclass.lpszMenuName=NULL;//菜单
 wndclass.lpszClassName=lpszClassName;//窗口类名
 ///
 ///窗口类注册//
 ///
 if(!RegisterClass(&wndclass)) {
  MessageBeep(0);
  return FALSE;
 }
 ///
 ///创建窗口返回句柄
 ///
 hwnd=CreateWindow(
  lpszClassName,//窗口类名
  lpszTitle,//标题名
  WS_OVERLAPPEDWINDOW,//窗口风格
  CW_USEDEFAULT,//左上角坐标
  CW_USEDEFAULT,
  CW_USEDEFAULT,//高和宽的大小
  CW_USEDEFAULT,
  NULL,
  NULL,
  hInstance,//创建窗口的应用程序句柄
  NULL
  );
 hw=hwnd;//可以在全局使用
 ///
 //显示窗口，进入消息循环///
 ///
 ShowWindow(hwnd,nCmdShow);
 UpdateWindow(hwnd);
 while(GetMessage(&Msg,NULL,0,0)) {
  TranslateMessage(&Msg);
  DispatchMessage(&Msg);
 }
 return Msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)//窗口消息处理函数
{ switch(message)
{
case WM_DESTROY:
PostQuitMessage(0);
default:
return DefWindowProc(hwnd,message,wParam,lParam);
}
return (0);
}