how to convert a emoji code in java to c# and display it

Hi people here i am facing a problem i am having a emoji code in java

{":x:" ,"\u274C"},

{":zap:" ,"\u26A1"},

{":+1:" ,new String(Character.toChars(0x1F44D))},

{":-1:" ,new String(Character.toChars(0x1F44E))},

{":100:" ,new String(Character.toChars(0x1F4AF))},

{":1234:" ,new String(Character.toChars(0x1F522))},

{":8ball:" ,new String(Character.toChars(0x1F3B1))},

{":a:" ,new String(Character.toChars(0x1F170))},

{":ab:" ,new String(Character.toChars(0x1F18E))},

{":abc:" ,new String(Character.toChars(0x1F524))},

which i want to convert it to the c# but i searched many pages and i unable to get the result .