Rich text box and text box controls in vb.net

Easy way to deal with strings for text box and rich text box controls in vb.net in addition to the original source project “done with MS Visual studio 2013”.
The open source project link as below:
http://ow.ly/KzSo30gFCTI


to view all of my humble posts, kindly go to the link below:
https://pastebin.com/u/MAMDEV