How to convert C++ code to C#

[creatigent]

How to convert this code to C#, Thanks

char ID[21];

ID[20]='\0';

srand((long) time(NULL));

char Result[43];

// ID 1-3
memcpy(Result,ID,3);

// 2 random digits
sprintf(&Result[3],"%2.2d",rand()%100);

 

[=?ISO-8859-1?Q?Arne_Vajh=F8j?=]

How to convert this code to C#, Thanks

char ID[21];

ID[20]='\0';

srand((long) time(NULL));

char Result[43];

// ID 1-3
memcpy(Result,ID,3);

// 2 random digits
sprintf(&Result[3],"%2.2d",rand()%100);

Random rng = new Random();
string result = "***" + String.Format("{0:2}",rng.Next(100));

where "***" is replacing the 3 uninitialized bytes
containing random bytes from the stack in the C++ code.

Arne