Check out example codes for "how to get specific length of row in matrix c#". It will help you in understanding the concepts better.

Code Example 1

int[,,] multiDimensionalArray = new int[21,72,103] ;
//If n = 0 -> 21
//If n = 1 -> 72
//If n = 2 -> 103
multiDimensionalArray.GetLength(n);

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