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oop - What is Delegate? - Stack Overflow Delegate types are sealed—they cannot be derived Because the instantiated delegate is an object, it can be passed as a parameter, or assigned to a property This allows a method to accept a delegate as a parameter, and call the delegate at some later time This is known as an asynchronous callback
Delegates in C# - Stack Overflow A delegate is a references type that invokes single multiple method (s)through the delegate instance It holds a reference of the methods Delegates can be used to handle (call invoke) multiple methods on a single event
What is a C++ delegate? - Stack Overflow A delegate is a class that wraps a pointer or reference to an object instance, a member method of that object's class to be called on that object instance, and provides a method to trigger that call
c# - Invoke (Delegate) - Stack Overflow Delegate are essentially inline Action 's or Func<T> You can declare a delegate outside the scope of a method which you are running or using a lambda expression (=>); because you run the delegate within a method, you run it on the thread which is being run for the current window application which is the bit in bold
. net - Pass Method as Parameter using C# - Stack Overflow You can use the Func delegate in NET 3 5 as the parameter in your RunTheMethod method The Func delegate allows you to specify a method that takes a number of parameters of a specific type and returns a single argument of a specific type
How does the + operator work for combining delegates? A delegate can call more than one method when invoked This is referred to as multicasting To add an extra method to the delegate's list of methods—the invocation list—simply requires adding two delegates using the addition or addition assignment operators ('+' or '+=') For example:
Why do we need C# delegates - Stack Overflow Further, while the number of classes one would need when using pseudo-delegates would be greater than when using "real" delegates, each pseudo-delegate would only need to hold a single object instance