Math.BigMul Produces the full product of two 32-bit numbers.
using System;
class Sample
{
publicstaticvoid Main()
{
int int1 = Int32.MaxValue;
int int2 = Int32.MaxValue;
long longResult;
longResult = Math.BigMul(int1, int2);
Console.WriteLine("Calculate the product of two Int32 values:");
Console.WriteLine("{0} * {1} = {2}", int1, int2, longResult);
}
}