反射：调用方法，将委托作为参数传递

Question

I have an interface implemented in Host class that looks like this:

void Method1(Action<Args1> action1, Action<Args1> action2);

and then I have the following methods to be passed for action1 and action2 .

private void Action1(Args1 obj)
{
//...
}

private void Action2(Args1 obj)
{
//...
}

Using reflection, how do I invoke it with and pass methods Action1 and Action2 ?

Answer 1

//here you pass the methods Action1 and Action2 as parameters
//to the delegates - if you need to construct these by reflection
//then you need to reflect the methods and use the
//Delegate.CreateDelegate method.
var param1 = new Action<Args1>(Action1);
var param2 = new Action<Args1>(Action2);
//instance of Host on which to execute
var hostInstance = new Host();
var method = typeof(Host).GetMethod("Method1", 
  BindingFlags.Public | BindingFlags.Instance);

method.Invoke(hostInstance, new object[] { param1, param2 });