Win32骨架程序

//  DEMO2_3.CPP - A complete windows program

//  INCLUDES  ////////////////////////////////////////////// /
#define  WIN32_LEAN_AND_MEAN   //  just say no to MFC

#include  < windows.h >     //  include all the windows headers
#include  < windowsx.h >    //  include useful macros
#include  < stdio.h >      
#include  < math.h >

//  DEFINES  ////////////////////////////////////////////////

//  defines for windows 
#define  WINDOW_CLASS_NAME "WINCLASS1"

//  GLOBALS  ////////////////////////////////////////////////


//  FUNCTIONS  //////////////////////////////////////////////
LRESULT CALLBACK WindowProc(HWND hwnd, 
                            UINT msg, 
                            WPARAM wparam, 
                            LPARAM lparam)
{
     //  this is the main message handler of the system
    PAINTSTRUCT        ps;         //  used in WM_PAINT
    HDC                hdc;             //  handle to a device context

     //  what is the message 
     switch (msg)
    {    
         case  WM_CREATE: 
    {
             //  do initialization stuff here

       //  return success
             return ( 0 );
        } 
         break ;

         case  WM_PAINT: 
        {
             //  simply validate the window
            hdc  =  BeginPaint(hwnd, & ps);     
            
             //  you would do all your painting here
      EndPaint(hwnd, & ps);

       //  return success
             return ( 0 );
       } 
         break ;

         case  WM_DESTROY: 
        {
             //  kill the application, this sends a WM_QUIT message 
            PostQuitMessage( 0 );

       //  return success
             return ( 0 );
        } 
         break ;

         default : break ;
    }

     //  process any messages that we didn't take care of 
     return  (DefWindowProc(hwnd, msg, wparam, lparam));
}

////////////////////////  WINMAIN  //////////////////////// //
int  WINAPI WinMain(    HINSTANCE hinstance,
                    HINSTANCE hprevinstance,
                    LPSTR lpcmdline,
                     int  ncmdshow)
{
    WNDCLASSEX winclass;     //  this will hold the class we create
    HWND       hwnd;                 //  generic window handle
    MSG           msg;                     //  generic message

     //  first fill in the window class stucture
    winclass.cbSize  =   sizeof (WNDCLASSEX);
    winclass.style  =  CS_DBLCLKS  |  CS_OWNDC  |  CS_HREDRAW  |  CS_VREDRAW;
    winclass.lpfnWndProc  =  WindowProc;
    winclass.cbClsExtra     =   0 ;
    winclass.cbWndExtra  =   0 ;
    winclass.hInstance  =  hinstance;
    winclass.hIcon  =  LoadIcon(NULL, IDI_APPLICATION);
    winclass.hCursor  =  LoadCursor(NULL, IDC_ARROW);
    winclass.hbrBackground  =  (HBRUSH)GetStockObject(BLACK_BRUSH);
    winclass.lpszMenuName     =  NULL;
    winclass.lpszClassName  =  WINDOW_CLASS_NAME;
    winclass.hIconSm  =  LoadIcon(NULL, IDI_APPLICATION);

     //  register the window class
     if  ( ! RegisterClassEx( & winclass))
         return ( 0 );

     //  create the window
     if  ( ! (hwnd  =  CreateWindowEx(NULL,                                             //  extended style
                                                            WINDOW_CLASS_NAME,                 //  class
                                     " My Basic Window " ,                                         //  title
                                    WS_OVERLAPPEDWINDOW  |  WS_VISIBLE,
                                      0 , 0 ,                                                                     //  initial x,y
                                     400 , 400 ,                                                             //  initial width, height
                                    NULL,                                                                     //  handle to parent 
                                    NULL,                                                                     //  handle to menu
                                    hinstance,                                                         //  instance of this application
                                    NULL)))                                                                 //  extra creation parms
     return ( 0 );
    
     //  enter main event loop
     while (GetMessage( & msg,NULL, 0 , 0 ))
     { 
          //  translate any accelerator keys
         TranslateMessage( & msg);

          //  send the message to the window proc
         DispatchMessage( & msg);
    }
    
     //  return to Windows like this
     return (msg.wParam);

}