[C++/CLI]How to make 2D array dynamically.

When we're make a board game, we need 2D array.
Following function make a 2D table with array.

array< array<MineItem>^>^% MakeTable(int row, int col)
{

array<array<MineItem>^>^ item_array2D;
item_array2D = gcnew array< array<MineItem>^ >(row);
for (int i =0; i < row; ++i)
{

item_array2D[i] = gcnew array<MineItem>(col);

}
return item_array2D;

}