change array size

by

You can use Array.Resize(), documented in MSDN.

But yeah, I agree with Corey, if you need a dynamically sized data structure, we have Lists for that.

Important: Array.Resize() doesn’t resize the array (the method name is misleading), it creates a new array and only replaces the reference you passed to the method.

An example:

var array1 = new byte[10];
var array2 = array1;
Array.Resize<byte>(ref array1, 20);

// Now:
// array1.Length is 20
// array2.Length is 10
// Two different arrays.

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