委派型别的宣告与方法签章类似。

The declaration of a delegate type is similar to a method signature.

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每一个委派型别说明了引数的数目和引数的型别，和它可以封装之方法的传回值型别。

Each delegate type describes the number and types of the arguments, and the type of the return value of methods that it can encapsulate.

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使用委派，而非会增加型别安全和安全性顾虑的函式指标。

Use of delegates instead of function Pointers for increased type safety and security.

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