If a delegate has a return value and more than one method in its invocation list, the following occurs: The value returned by the last method in the invocation list is the value returnedfrom the… Read More »Invoking Delegates with Return Values
You can also remove a method from a delegate, using the -= operator. The following line of code shows the use of the operator. Figure 2 shows the result of this code when applied to… Read More »Removing Methods from a Delegate
Although you saw in the previous section that delegates are, in reality, immutable, C# provides syntax for making it appear that you can add a method to a delegate, using the += operator. For example,… Read More »Adding Methods to Delegates
All the delegates you’ve seen so far have had only a single method in their invocation lists. Delegates can be “combined” by using the addition operator. The result of the operation is the creation of… Read More »Combining Delegates
Because delegates are reference types, you can change the reference contained in a delegate variable by assigning to it. The old delegate object will be disposed of by the garbage collector (GC) when it gets… Read More »Assigning Delegates
You can think of a delegate as an object that holds one or more methods. Normally, of course, you wouldn’t think of “executing” an object, but a delegate is different from a typical object. You… Read More »What Is a Delegate?