int[,] array1 = new int[,]{ {1,2,3},
{2,3,4},
{2,3,4}, };
int[,] array2 = new int[4,4];
for (int i = 0; i < array1.GetLength(0); i++)
{
for (int j = 0; j < array1.GetLength(1); j++)
{
array2[i, j] = array1[i, j];
}
}
array1 = array2;
for (int i = 0; i < array1.GetLength(0); i++)
{
for (int j = 0; j < array1.GetLength(1); j++)
{
Console.WriteLine(array1[i, j]);
}
}
