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Array.Resize(ref myArray, newLength);
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private void ResizeArray<T>(ref T[,] original, int cols, int rows) where T : class
//create a new 2 dimensional array with
//the size we want
T[,] newArray = new T[rows, cols];
//copy the contents of the old array to the new one
Array.Copy(original, newArray, original.Length);
//set the original to the new array
original = newArray;
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