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Behavior of dynamic type in C# 4.0

Posted by Rajesh Kumar on June 3, 2009

If you wish to get the type of any object dynamically and then invoke its methods are properties at run time, then C# 4.0 provides a new type called dynamic.

With this dynamic type, we can avoid compile time exceptions for method or property call. Compiler will just ignore dynamic types at the time of compilation. However, they will be evaluated at run time.

During the compile time, the variables of dynamic types are compiled into “object” type. So, type “dynamic” exists only at compile time, but not at run time.

This dynamic type can be used in following scenarios:

  • A private field
  • A public property
  • Method return type

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