// Somewhere in the data region
PVOID l__PVOID__FileTree;
EXCEPTION_NUMBER l__EXCEPTION_NUMBER;
ULONG l__ULONG__TreeNodes;
ULONG l__ULONG__SystemError;
CHAR l__CHAR__ExceptionText[ 1024 ];
LONG l__LONG__TreeLevel;

// Prepare exception text buffer
RtlZeroMemory(
    &l__CHAR__ExceptionText,
    sizeof( l__CHAR__ExceptionText )
    );

// Try to create Joliet file tree
l__EXCEPTION_NUMBER =
StarBurn_ISO9660JolietFileTree_Create(
    &l__PVOID__FileTree,
    ( PCHAR )( &l__CHAR__ExceptionText ),
    sizeof( l__CHAR__ExceptionText ),
    &l__ULONG__Status,
    ( PCALLBACK )( StarBurn_Callback ),
    ( PVOID )( &l__LONG__TreeNodes ),
    TRUE,
    FALSE,
    FILE_TREE_JOLIET
    );

// Check for correct reply
if (  l__EXCEPTION_NUMBER != EN_SUCCESS )
{
// Handle error here...
}

// Add directories or files with the help of the StarBurn_ISO9660JolietFileTree_Add here...

// Get tree level here
l__LONG__TreeLevel =
StarBurn_ISO9660JolietFileTree_GetLevel( l__PVOID__FileTree );

// Check for tree level here
if ( l__LONG__TreeLevel > 8 )
{
// Handle error here...
}

// Do something with Joliet file tree here...

// Destroy the Joliet file tree
StarBurn_Destroy( &l__PVOID__FileTree );

// Just check for pointer (paranoid?)
if ( l__PVOID__FileTree != NULL )
{
// Handle error here...
}