add how to create C# WebBrowser
add how to create C# WebBrowser
Merge pull request #68 from andyque/master

add one article of map
modified a linker
Merge pull request #69 from koowolf/master

add how to create C# WebBrowser
modified title
Merge pull request #70 from koowolf/master

modified title
update code segment with ```cpp mark

Also add "since" and "language" at the beginning.
add cpp mark, add since and language
issue #3503. modify event dispatcher article