// 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;
} // end switch
// process any messages that we didn't take care of return (DefWindowProc(hwnd, msg, wparam, lparam));
} // end WinProc
// 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
// register the window class if (!RegisterClassEx(&winclass)) return(0);
// create the window if (!(hwnd = CreateWindowEx(NULL, // extended style WINDOW_CLASS_NAME, // class "Your 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, but this time we use PeekMessage() // instead of GetMessage() to retrieve messages while(TRUE) { // test if there is a message in queue, if so get it if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) { // test if this is a quit if (msg.message == WM_QUIT) break;
// translate any accelerator keys TranslateMessage(&msg);
// send the message to the window proc DispatchMessage(&msg); } // end if
// main game processing goes here //在这儿可以处理其它事情 // Game_Main(); // or whatever your loop is called } // end while
// return to Windows like this return(msg.wParam);
