DC_TAG dc_tag_add dc_tag_add_subscription DC_TAG_CALLBACK dc_tag_close dc_tag_error_code dc_tag_explain_quality DC_TAG_HANDLE dc_tag_init DC_TAG_MAX_RW_COUNT dc_tag_open dc_tag_read dc_tag_read_subscription dc_tag_remove dc_tag_remove_subscription dc_tag_uninit dc_tag_update dc_tag_write

int dc_tag_update ( DC_TAG_HANDLE  tag_handles[], DC_TAG  tag_values[], uint32_t  tag_count  ) Update one or more tags. This function is called by tag provider only. Whenever the value or quality of tags added by the tag provider changed, the tag provider should call this function to make the changes pushed to all data users through the data center. Parameters [in] tag_handles The tag handle array contains all tag handles to be updated. [out] tag_values The tag value array contains all tag value to be updated, be sure the count of the tag value equals to or larger than the count of the tag handle. [in] tag_count The count of the tag handle in the tag_handles. Returns On success, zero is returned, otherwise an error code is returned. please refer to the enum dc_tag_error_code for the error code description. Examples: dc_tag_update.c.