C# Activator 2021 Online
// Call a method on the instance ((MyClass)instance).MyMethod(); } }
While versatile, Activator comes with trade-offs compared to direct instantiation: Activator.CreateInstance Method (System) - Microsoft Learn c# activator
The Activator also supports generic methods, specifically Activator.CreateInstance() . This variation allows for compile-time type safety regarding the return type, avoiding the need to cast from a generic object . It is a cleaner, more modern approach when the type parameter is available. // Call a method on the instance ((MyClass)instance)
class Program { static void Main(string[] args) { // Get the type of MyClass Type type = typeof(MyClass); class Program { static void Main(string[] args) {
T Create() where T : new() { return Activator.CreateInstance(); }
: Using Activator.GetObject or Activator.CreateInstance with AppDomain to manage objects across different execution environments. Performance and Reliability Considerations
The simplest usage involves creating an instance of a known type dynamically: