vc++_win32_aplication

#include <windows.h> #include <stdio.h> LRESULT CALLBACK WinSunProc( HWND hwnd, // handle to window UINT uMsg, // message identifier WPARAM wParam, // first message parameter LPARAM lParam // second message parameter ); int WINAPI WinMain( HINSTANCE hInstance, // handle to current instance HINSTANCE hPrevInstance, // handle to previous instance LPSTR lpCmdLine, // command line int nCmdShow // show state ) {//设计一个窗口类 WNDCLASS wndcls; wndcls.cbClsExtra=0; wndcls.cbWndExtra=0; wndcls.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH); wndcls.hCursor=LoadCursor(NULL,IDC_CROSS); wndcls.hIcon=LoadIcon(NULL,IDI_ERROR); wndcls.hInstance=hInstance;//应用程序实例句柄由WinMain传递过来 wndcls.lpfnWndProc=WinSunProc; wndcls.lpszClassName="sunxin2006"; wndcls.lpszMenuName=NULL; wndcls.style=CS_HREDRAW | CS_VREDRAW; RegisterClass(&wndcls);//注册窗口类，参数为类对象的指针 //创建窗口，定义一个变量用来保存成功返回后的句柄 HWND hwnd; hwnd=CreateWindow("sunxin2006","http://www.sunxin.org",WS_OVERLAPPEDWINDOW,0,0,600,400,NULL,NULL,hInstance,NULL); //显示及刷新窗口 ShowWindow(hwnd,SW_SHOWNORMAL); UpdateWindow(hwnd); //定义消息结构体，开始消息循环 MSG msg; BOOL bRet; while(bRet = GetMessage(&msg,hwnd,0,0) != 0) { if(bRet == -1) { return -1; } else { TranslateMessage(&msg); DispatchMessage(&msg); } } return msg.wParam; } //编写窗口过程函数 LRESULT CALLBACK WinSunProc( HWND hwnd, // handle to window UINT uMsg, // message identifier WPARAM wParam, // first message parameter LPARAM lParam // second message parameter ) { switch(uMsg) { case WM_CHAR: char szChar[20]; sprintf(szChar,"char code is %d",wParam); MessageBox(hwnd,szChar,"char",0); break; case WM_LBUTTONDOWN: MessageBox(hwnd,"mouse clicked","message",0); HDC hdc; hdc=GetDC(hwnd); TextOut(hdc,0,50,"程序员之家",strlen("程序员之家")); //ReleaseDC(hwnd,hdc); break; case WM_PAINT: HDC hDC; PAINTSTRUCT ps; hDC=BeginPaint(hwnd,&ps); TextOut(hDC,0,0,"http://www.sunxin.org",strlen("http://www.sunxin.org")); EndPaint(hwnd,&ps); break; case WM_CLOSE: if(IDYES==MessageBox(hwnd,"是否真的结束？","message",MB_YESNO)) { DestroyWindow(hwnd); } break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd,uMsg,wParam,lParam); } return 0; }