ConstructorInfo

ConstructorInfo is a class in the .NET Framework that represents information about a constructor. It is part of the System.Reflection namespace, which provides types that allow for late-bound access and inspection of code. ConstructorInfo objects are obtained through reflection, typically by invoking methods on the Type object representing a class.

These objects expose properties such as Name, which returns the name of the constructor (always "#ctor" for instance constructors and "#cctor" for static constructors), DeclaringType, which returns the Type that declares the constructor, and MemberType, which returns MemberTypes.Constructor. They also have methods like Invoke, which allows you to create a new instance of the class by calling the constructor.

ConstructorInfo is useful in scenarios where you need to dynamically create objects without knowing the specific type at compile time. This is common in frameworks, serialization libraries, and dependency injection containers. For example, a factory pattern might use ConstructorInfo to locate and invoke a suitable constructor based on configuration or runtime conditions. It enables powerful meta-programming capabilities within the .NET environment.