vc 6.0建立以一个Win32 hello world 程序，代码如下
// TestWin32.cpp : Defines the entry point for the application.//#include "stdafx.h"#include "resource.h"#include "dbt.h"#include "windows.h"#define MAX_LOADSTRING 100// Global Variables:HINSTANCE hInst; // current instanceTCHAR szTitle[MAX_LOADSTRING]; // The title bar textTCHAR szWindowClass[MAX_LOADSTRING]; // The title bar text// Foward declarations of functions included in this code module:ATOM MyRegisterClass(HINSTANCE hInstance);BOOL InitInstance(HINSTANCE, int);LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);// 检测光驱char chFirstDriveFromMask(ULONG unitmask);char chFirstDriveFromMask (ULONG unitmask)
{
char i; for (i = 0; i < 26; ++i) //假设不会超过26个逻辑驱动器
{
if (unitmask & 0x1) //看该驱动器的状态是否发生了变化 break; unitmask = unitmask >> 1;
} return (i + 'A');
}//int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){ // TODO: Place code here. MSG msg; HACCEL hAccelTable; // Initialize global strings LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); LoadString(hInstance, IDC_TESTWIN32, szWindowClass, MAX_LOADSTRING); MyRegisterClass(hInstance); // Perform application initialization: if (!InitInstance (hInstance, nCmdShow)) { return FALSE; } hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_TESTWIN32); // Main message loop: while (GetMessage(&msg, NULL, 0, 0)) { if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } } return msg.wParam;}//// FUNCTION: MyRegisterClass()//// PURPOSE: Registers the window class.//// COMMENTS://// This function and its usage is only necessary if you want this code// to be compatible with Win32 systems prior to the 'RegisterClassEx'// function that was added to Windows 95. It is important to call this function// so that the application will get 'well formed' small icons associated// with it.//ATOM MyRegisterClass(HINSTANCE hInstance){ WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = (WNDPROC)WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_TESTWIN32); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = (LPCSTR)IDC_TESTWIN32; wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL); return RegisterClassEx(&wcex);}//// FUNCTION: InitInstance(HANDLE, int)//// PURPOSE: Saves instance handle and creates main window//// COMMENTS://// In this function, we save the instance handle in a global variable and// create and display the main program window.//BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){ HWND hWnd; hInst = hInstance; // Store instance handle in our global variable hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if (!hWnd) { return FALSE; } ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); return TRUE;}//// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)//// PURPOSE: Processes messages for the main window.//// WM_COMMAND - process the application menu// WM_PAINT - Paint the main window// WM_DESTROY - post a quit message and return////LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){ // BOOL fRet = TRUE; // 返回值 //通过响应WM_DEVICECHANGE消息得到的设备事件信息结构 PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)lParam; // int wmId, wmEvent; PAINTSTRUCT ps; HDC hdc; TCHAR szHello[MAX_LOADSTRING]; LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING); switch (message) { /* case WM_INITDIALOG: fRet = TRUE; break;*/ //对 WM_DEVICECHANGE 消息进行处理 case WM_DEVICECHANGE: char szMsg[80]; // 对话框中要表示的字符串 switch (wParam) { //当一个设备变得被插入并变得可用时， //系统会发送广播事件DBT_DEVICEARRIVAL case DBT_DEVICEARRIVAL: // 判断CDROM碟片是否已经插入到光驱中 if (lpdb -> dbch_devicetype == DBT_DEVTYP_VOLUME) { PDEV_BROADCAST_VOLUME lpdbv=(PDEV_BROADCAST_VOLUME) lpdb; //判断是否有CDROM碟片 if (lpdbv -> dbcv_flags & DBTF_MEDIA) { // 显示消息，获取光驱的逻辑驱动器号 wsprintf (szMsg, "驱动器 %c: 已经可用 ",chFirstDriveFromMask(lpdbv ->dbcv_unitmask)); MessageBox (hWnd, szMsg, "光驱自动监测", MB_OK |MB_ICONINFORMATION); } } break; //当一个设备变得被移走并变得不可用时， //系统会发送广播事件DBT_ DEVICEREMOVECOMPLETE case DBT_DEVICEREMOVECOMPLETE: // 判断CDROM碟片是否从光驱中移走 if (lpdb -> dbch_devicetype == DBT_DEVTYP_VOLUME) { PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb; if (lpdbv -> dbcv_flags & DBTF_MEDIA) { //显示消息，获取光驱的逻辑驱动器号 wsprintf (szMsg, "驱动器 %c: 已经弹出 ",chFirstDriveFromMask(lpdbv ->dbcv_unitmask)); MessageBox (hWnd, szMsg, "光驱自动监测", MB_OK| MB_ICONINFORMATION); } } break; } // case WM_COMMAND: wmId = LOWORD(wParam); wmEvent = HIWORD(wParam); // Parse the menu selections: switch (wmId) { case IDM_ABOUT: DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About); break; case IDM_EXIT: DestroyWindow(hWnd); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } break; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); // TODO: Add any drawing code here... RECT rt; GetClientRect(hWnd, &rt); DrawText(hdc, szHello, strlen(szHello), &rt, DT_CENTER); EndPaint(hWnd, &ps); break; case WM_DESTROY: PostQuitMessage(0); break; default: fRet = FALSE; return DefWindowProc(hWnd, message, wParam, lParam); } // 禁止光驱的AutoPlay功能 以下代码在windows server2003 上不启作用，要用注册表的方法 /* static UINT uMsgQueryCancelAutoPlay=RegisterWindowMessage("QueryCancelAutoPlay"); if (message==uMsgQueryCancelAutoPlay) { int n = MessageBox(hWnd, "你想禁止AutoPlay功能吗？", NULL,MB_YESNO | MB_ICONQUESTION); // 1代表取消 AutoPlay // 0 t代表允许AutoPlay SetWindowLong(hWnd, message, (n == IDYES) ? 1 : 0); fRet = (n == IDYES)?1:0; } */ return 0;}// Mesage handler for about box.LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam){ switch (message) { case WM_INITDIALOG: return TRUE; case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return TRUE; } break; } return FALSE;}