c# - Convert supplementary characters to Chinese characters -

i have string of supplementary characters:

ˤÈí¹Ä 

that need convert chinese characters. using notepad++ able setting encoding ansi, paste above supplementary characters, change encoding simplified chinese (gb2312) following correct answer:

摔软鼓 

is there way convert supplementary characters chinese characters using c#? how can mimic function notepad++ using c#?

using notepad++ able setting encoding ansi, paste above supplementary characters, change encoding simplified chinese (gb2312)

this want do:

var bytes = encoding.getencoding("windows-1252").getbytes("ˤÈí¹Ä"); var text = encoding.getencoding("gb2312").getstring(bytes); // 摔软鼓