OpCodes.Ldelem_Ref

Loads the element containing an object reference at a specified array index onto the top of the evaluation stack as type O(object reference).

The stack transitional behavior,in sequential order,is:

1,An object reference array is pushed onto the stack;

2,An index value index is pushed onto the stack;

3,index and array are popped from the stack.The value stored at position index in array is looked up.

4,The value is pushed onto the stack.