C#: Is there a way to resize an array of unknown type using reflection?

Question

My users pass me an array of some type, say int[] or string[]. I can easily query the types of the elements via GetElementType, and I can find out how long the array was when i

Answer 1

I agree with the comments that you should be using List(Of T), but if you want to copy your array into a new array of the same type, you could do something like the following.

// Your passed in array.
object[] objs = new object[5] {1,2,3,4,5};

// Create an array of the same type.
Array a = Array.CreateInstance(objs[0].GetType(), objs.Length+3);

// Copy in values.
objs.CopyTo(a,0);