Youngbok Shin b48ab5e101 widgets: Apply default return value according to description in .eo or add description too. ... Summary: 1) According to description in .eo file, some APIs return not 0 when the given object is NULL or not proper object. But, several APIs are not implemented as those description. Now, they will return a value as description. 2) If there is no description about the return value when the API fail, put description according to pair API or old version of elementary. @fix Reviewers: woohyun, Hermet, seoz Differential Revision: https://phab.enlightenment.org/D1933		2015-02-09 13:09:05 +09:00
legacy/elementary	widgets: Apply default return value according to description in .eo or add description too.	2015-02-09 13:09:05 +09:00