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Archive for September, 2008

Separator Delimited ToString for Array, List, Dictionary, Generic IEnumerable

Often programmers want to convert an array into one string with for example comma delimited.
Traditionally, in C#, it can be achieved by

int[] array = {1,2,3};
string delimited = string.Join(”,”, array);
Console.WriteLine(delimited ) // output: "1,2,3"
 

However, string.Join does not apply to any generic IEnumerable object. It would be so much easier if this method behavior could be [...]

C# Pointer in unsafe context

Pointer usage in C# in unsafe context

static unsafe void Main()
{
    int i;
    int[] array = { 11, 22, 33 };

    // pointer pi has the address of variable i
    int* pi = &i;

    i = 0;
    // dereference the pi, i.e. *pi is i
    Console.WriteLine(”i = {0}”, [...]