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Thread: resizing arrays

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  1. #1
    Join Date
    Jan 2013

    resizing arrays

    im looking for a way to resize an array e.g. from myarray[10,10] to myarray[20,20] while preserving the contents , by all accounts the best way is to use the array.copy. i found a snippet of code on a answer elsewhere which says :-

    public static void ResizeArray<T>(ref T[,] original, int cols, int rows)
                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;
    how do i pass my array into it ?

    Resize_array<int>( [,] myarray , new rows, newcols)

    i can see how the swap works but what happens to the old array, does garbage collection dispose of it or should i be handling that.

    Does anyone have a better more efficient way ?

    Last edited by jonnydexter; February 6th, 2013 at 04:07 PM.

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