gboolean vortex_profiles_is_defined_start gchar *  uri  ) 

Returns if the given profiles have actually defined the start handler.

This function check for the definition of the start handler defined at vortex_profiles_register or an extended start handler defined at vortex_profiles_register_extended_start.

It also returns no start handler defined if uri is not a registered profile.

uri The uri to check.
TRUE if close handler is defined or FALSE if not