Fix compatible problems

Author Brian <brian1461748123@gmail.com>
Author date 2016-08-12 15:58:47
Author local date 2016-08-12 08:58:47 -0700
Committer Brian <brian1461748123@gmail.com>
Committer date 2016-08-12 15:58:47
Committer local date 2016-08-12 08:58:47 -0700
Commit e439f8d228fa56663273f2cb3f1fd255d62da548
Tree b9deb4fa5e1a5c3cd50c5482238117535b3e540e
Parent dcf956ff65b79a94065213b0cf1e92d787ad5868
Fix compatible problems
Affected files:
src/RocketBotGUI/MainForm.cs
You may download the files in Public Git.