Extension methods enabling convenient generic methods invocation through reflection.

MethodInfo_InvokeAsGeneric.cs

// using System;
// using System.Reflection;
// using System.Runtime.ExceptionServices;

[System.Diagnostics.DebuggerStepThrough]
public static void InvokeAsGeneric(
    this MethodInfo method,
    object target,
    Type[] typeArguments,
    params object[] arguments)
    => method.InvokeAsGeneric<object>(target, typeArguments, arguments);

[System.Diagnostics.DebuggerStepThrough]
public static TResult InvokeAsGeneric<TResult>(
    this MethodInfo method,
    object target,
    Type[] typeArguments,
    params object[] arguments)
{
    try
    {
        return (TResult)method.MakeGenericMethod(typeArguments)
                              .Invoke(target, arguments);
    }
    catch (TargetInvocationException exception)
    {
        ExceptionDispatchInfo.Capture(exception.InnerException).Throw();
        throw;
    }
}