Как перехватить вставку/извлечение флешки? (тестил на VC++ 2008) Может кому сгодиться... Detecting Media Insertion or RemovalProcessing a Request to Remove a DeviceКак перехватить то что вставлена флешка в с++Программа чтоб вирусы на флешках не распространялись| Код |
#include <windows.h>
#include <dbt.h>
#include <strsafe.h>
#include "resource.h"
LRESULT CALLBACK MainProc(HWND, UINT, UINT, LONG);
HINSTANCE g_hInst;
void Main_OnDeviceChange (HWND hwnd, WPARAM wParam, LPARAM lParam);
char FirstDriveFromMask (ULONG unitmask); //prototype
/*------------------------------------------------------------------
Main_OnDeviceChange (hwnd, wParam, lParam)
Description
Handles WM_DEVICECHANGE messages sent to the application's
top-level window.
--------------------------------------------------------------------*/
void Main_OnDeviceChange (HWND hwnd, WPARAM wParam, LPARAM lParam) {
PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)lParam;
char szMsg[80];
switch(wParam)
{
case DBT_DEVICEARRIVAL:
// Check whether a CD or DVD was inserted into a drive.
if (lpdb -> dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
if (lpdbv -> dbcv_flags & DBTF_MEDIA)
{
StringCchPrintf (szMsg, 80, "Drive %c: Media has arrived.\n",
FirstDriveFromMask(lpdbv ->dbcv_unitmask));
MessageBox (hwnd, szMsg, "WM_DEVICECHANGE", MB_OK);
}
}
break;
case DBT_DEVICEREMOVECOMPLETE:
// Check whether a CD or DVD was removed from a drive.
if (lpdb -> dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
if (lpdbv -> dbcv_flags & DBTF_MEDIA)
{
StringCchPrintf (szMsg, 80, "Drive %c: Media was removed.\n",
FirstDriveFromMask(lpdbv ->dbcv_unitmask));
MessageBox (hwnd, szMsg, "WM_DEVICECHANGE", MB_OK);
}
}
break;
default:
/*
Process other WM_DEVICECHANGE notifications for other
devices or reasons.
*/
;
}
}
/*------------------------------------------------------------------
FirstDriveFromMask (unitmask)
Description
Finds the first valid drive letter from a mask of drive letters.
The mask must be in the format bit 0 = A, bit 1 = B, bit 2 = C,
etc. A valid drive letter is defined when the corresponding bit
is set to 1.
Returns the first drive letter that was found.
--------------------------------------------------------------------*/
char FirstDriveFromMask (ULONG unitmask) {
char i;
for (i = 0; i < 26; ++i)
{
if (unitmask & 0x1)
break;
unitmask = unitmask >> 1;
}
return (i + 'A');
}
//---------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
MSG msg;
g_hInst = hPrevInstance;
::CreateDialog(g_hInst, MAKEINTRESOURCE(IDD_dlgMain), NULL, (DLGPROC)MainProc );
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
//---------------------------------------------------------------------------
LRESULT CALLBACK MainProc(HWND hDlg, UINT message, UINT wParam, LONG lParam) {
switch(message) {
case WM_DEVICECHANGE:
Beep(100, 100); //должно бибикнуть
break;
case WM_COMMAND:
{
switch (wParam) {
case IDCANCEL:
PostQuitMessage( 0 );
break;
}
}
break;
case WM_DESTROY:
PostQuitMessage (0);
break;
}
return 0;
}
//---------------------------------------------------------------------------
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Как перехватить вставку/извлечение флешки? VC++ 2008 
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