Virtual Proxy Design Pattern

1.0

Software Specification and Design

Here is a program illustrating the Proxy Pattern.

Design Patterns

Elements of Reusable Object-Oriented Software

by Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides.

See also:

Sequence Diagram for delayed image loading by virtual proxy

CIS-75 Software Specification and Design

CIS-62 Object-Oriented Programming in C++