VB.Net Code to convert Encoding from UTf8 To Ucs2.,VB.Net Code to convert Encoding from UTf8 To Ucs2.

完成各种编码方式的文本转换为UTF8，包括ascii,ucs2,ucs4,ISO-8859-1,UTF16等类型-transcode ever code type text to utf8,include ascii,ucs2,ucs4,ISO-8859-1,UTF16

ucs2编码跟utf8呼转的demo，用纯C写，比较适合各类平台各类开发工具使用-Call ucs2 to utf8 encoding with the demo, used to write pure C, more suitable for various types of platforms using various types of development tools