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 instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR 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;
}
//
#include "stdafx.h"
#include "resource.h"
#include "dbt.h"
#include "windows.h"
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR 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;
}