CODEWITHSUNDEEP
c#reflection
Greg
Greg

Reputation: 21

List which takes type from method argument

I want to create method that in argument will take Type an use it as type of generic list for example:

MyClass something = new MyClass();
Type myType = something.GetType();

public void createList(Type type)
{
List<type> myList = new List<type>();   // <-- How can I achieve that?
...
}

Any ideas? :)

Upvotes: 0

Views: 39

Answers (1)

p.s.w.g
p.s.w.g

Reputation: 149068

Start off by making your core method generic, like this:

public void createList<T>()
{
    List<T> myList = new List<T>();
    ...
}

And provide a non-generic overload which uses reflection to dynamically invoke the generic method:

public void createList(Type t)
{
    this.GetType()
        .GetMethod("createList", Type.EmptyTypes)
        .MakeGenericMethod(t)
        .Invoke(this, null);
}

Upvotes: 1

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