IN_PAGE lNewPageID;
/* Add a new page to the active document window after the first page. Give it the same parent as the first page and make it a page that can contain layers. */
if ( ( nError = IN_NewPage( 0, 1, IN_NEWPAGE_AFTER, 0, 0, &lNewPageID ) ) != IN_SUCCESS )
{
ErrorHandler( nError, "Error message:" );
}