Edit different text font on RichTextBox

Edit different text font on RichTextBox

References

Reference NO 1

http://stackoverflow.com/questions/13643383/edit-different-text-font-on-richtextbox

Reference NO 2

http://stackoverflow.com/questions/9841725/how-do-i-change-font-family-of-richtextbox-without-modifying-previous-text

Reference NO 3

http://msdn.microsoft.com/en-us/library/aa983722(v=vs.71).aspx

Reference NO 4

http://social.msdn.microsoft.com/Forums/windows/en-US/e09d8fb8-f901-4f28-b40c-e5b34e57543c/action?threadDisplayName=add-multiple-fonts-and-colours-in-rich-text-box-in-c

Reference NO 5

http://www.dotnetperls.com/richtextbox

Reference NO 6

http://bytes.com/topic/c-sharp/answers/261660-c-winform-changing-font-colors-multi-line-rich-textbox

Reference NO 7

#EANF#

Reference NO 8

#EANF#