vc++ windows程序设计初步代码

#include<windows.h>#include<stdlib.h>#include<string.h>#include<tchar.h>HINSTANCE hInst;WNDCLASSEX wcex;WNDCLASSEX DesignWindowClass(HINSTANCE);LRESULT CALLBACK WndProc(HWND ,UINT,WPARAM,LPARAM);//------------------------------------------------------------------//WinMain Windows应用入口函数//------------------------------------------------------------------int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){wcex = DesignWindowClass(hInstance);//注册窗口if(!RegisterClassEx(&wcex)){MessageBox(NULL,_T("Call to RegisterClassEx failed!"),_T("Win32 Guided Tour"),NULL);return 1;}hInst =hInstance;HWND hWnd = CreateWindow("szWindowClass","szTitle",WS_OVERLAPPEDWINDOW,CW_USEDEFAULT, CW_USEDEFAULT,500, 100,NULL,NULL,hInstance,NULL);if(!hWnd){MessageBox(NULL,_T("Call to CreateWindow failed!"),_T("Win32 Guided Tour"),NULL);return 1;}//显示窗体，更新窗体ShowWindow(hWnd,nCmdShow);UpdateWindow(hWnd);MSG msg;//消息循环while(GetMessage(&msg,NULL,0,0)){TranslateMessage(&msg);DispatchMessage(&msg);}return (int)msg.wParam;}//---------------------------------------------------------------//WinProc Windows回调函数//---------------------------------------------------------------LRESULT CALLBACK WndProc(HWND hWnd,UINT message, WPARAM wParam,LPARAM lParam){PAINTSTRUCT ps;HDC hdc;TCHAR greeting[] =_T("hello world");switch(message){case WM_PAINT:hdc=BeginPaint(hWnd,&ps);break;case WM_DESTROY:PostQuitMessage(0);break;default:return DefWindowProc(hWnd,message,wParam,lParam);}return 0;}//-------------------------------------------------------------------//DesignWindowClass 设计窗口//-------------------------------------------------------------------WNDCLASSEX DesignWindowClass(HINSTANCE hInstance){WNDCLASSEX wcex;wcex.cbSize =sizeof(WNDCLASSEX);wcex.style =CS_HREDRAW|CS_VREDRAW;wcex.lpfnWndProc =WndProc;wcex.cbClsExtra =0;wcex.cbWndExtra =0;wcex.hInstance =hInstance;wcex.hIcon =LoadIcon(hInstance,MAKEINTRESOURCE(IDI_APPLICATION));wcex.hCursor =LoadCursor(NULL,IDC_ARROW);wcex.hbrBackground =(HBRUSH)(COLOR_WINDOW+1);wcex.lpszMenuName =NULL;wcex.lpszClassName ="szWindowClass";wcex.hIconSm =LoadIcon(hInstance,MAKEINTRESOURCE(IDI_APPLICATION));return wcex;}