A simple C # Generic Singleton class

Using System;
Using System. reflection;

Namespace Minicafe. util
{
/**/ ///   <Summary>
/// This is the base class for Singleton mode in CSHARP. derived class must have
/// Privae or protected constructor without any parameters, otherwise exception will
/// Be throwed.
///   </Summary>
///   <Typeparam name = "T"> </typeparam>
Public   Class Singleton < T >
Where t: Class
{
Private   Static T instance;
/**/ /// <Summary>
///Instace property of class t
/// </Summary>
Public   Static T instance
{
Get
{
If (Instance =   Null )
{
Lock ( Typeof (T ))
{
If (Instance =   Null )
{
Constructorinfo Constructor =   Typeof (T). getconstructor (bindingflags. Instance | Bindingflags. nonpublic, Null , New Type [ 0 ], New Parametermodifier [ 0 ]);
If (Constructor =   Null )
Throw   New Exception ( " The object that you want to singleton doesnt have a private/protected constructor so the property cannot be enforced. " );

Try
{< br> instance = constructor. invoke ( New Object [ 0 ]) as T;
}
Catch (Exception E)
{< br> throw New exception ( " the singleton couldnt be constructed, check if the type T has a default constructor " , e);
}
}
}
}
Return Instance;
}
}
}
}