Assmbly. gettypes ()

Represents type declarations: class types, interface types, array types, value types, enumeration types, type parameters, generic type definitions, and open or closed constructed generic types. <from msdn>

Type. isassignablefrom
Determines whether an instance of the current type can be assigned from an instance of the specified type.
Example:
Int I = 0; I. GetType () isInt32.
Int [] array1 = new int [2]; array1.gettype isInt32 []
So I. GetType (). isassignablefrom (array1.gettype () returns"False"

IdisposableInterface System. idisposable
Defines a method to release allocated unmanaged resource.