C# Cookbook, Second Edition > Classes and Structures > Assuring an Object's Disposal

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C# Cookbook, Second Edition

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Dedication

Preface

Ch. 1. Numbers and Enumerations

Ch. 2. Strings and Characters

Ch. 3. Classes and Structures

Introduction

Recipe 3.1. Creating Union-Type Structures

Recipe 3.2. Allowing a Type to Represent Itself as a String

Recipe 3.3. Converting a String Representation of an Object into an Actual Object

Recipe 3.4. Implementing Polymorphism with Abstract Base Classes

Recipe 3.5. Making a Type Sortable

Recipe 3.6. Making a Type Searchable

Recipe 3.7. Indirectly Overloading the +=, -=, /=, and *= Operators

Recipe 3.8. Indirectly Overloading the &&, ||, and ?: Operators

Recipe 3.9. Turning Bits On or Off

Recipe 3.10. Making Error-Free Expressions

Recipe 3.11. Minimizing (Reducing) Your Boolean Logic

Recipe 3.12. Converting Between Simple Types in a Language-Agnostic Manner

Recipe 3.13. Determining When to Use the Cast Operator, the as Operator, or the is Operator

Recipe 3.14. Casting with the as Operator

Recipe 3.15. Determining a Variable's Type with the is Operator

Recipe 3.16. Implementing Polymorphism with Interfaces

Recipe 3.17. Calling the Same Method on Multiple Object Types

Recipe 3.18. Adding a Notification Callback Using an Interface

Recipe 3.19. Using Multiple Entry Points to Version an Application

Recipe 3.20. Preventing the Creation of an Only Partially Initialized Object

Recipe 3.21. Returning Multiple Items from a Method

Recipe 3.22. Parsing Command-Line Parameters

Recipe 3.23. Retrofitting a Class to Interoperate with COM

Recipe 3.24. Initializing a Constant Field at Runtime

Recipe 3.25. Writing Code That Is Compatible with the Widest Range of Managed Languages

Recipe 3.26. Building Cloneable Classes

Recipe 3.27. Assuring an Object's Disposal

Recipe 3.28. Releasing a COM Object Through Managed Code

Recipe 3.29. Creating an Object Cache

Recipe 3.30. Rolling Back Object Changes

Recipe 3.31. Disposing of Unmanaged Resources

Recipe 3.32. Determining Where Boxing and Unboxing Occur

Ch. 4. Generics

Ch. 5. Collections

Ch. 6. Iterators and Partial Types

Ch. 7. Exception Handling

Ch. 8. Diagnostics

Ch. 9. Delegates, Events, and Anonymous Methods

Ch. 10. Regular Expressions

Ch. 11. Data Structures and Algorithms

Ch. 12. Filesystem I/O

Ch. 18. Threading and Synchronization

Recipe 3.27. Assuring an Object's Disposal

problem

You require a way to always have the Dispose method of an object called when that object's work is done or it goes out of scope.

Solution

Use the using statement:

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Contents

Chapter 3. Classes and Structures > Assuring an Object's Disposal

Recipe 3.27. Assuring an Object's Disposal

problem

Solution