Learn about parsing, and creating classes and expressions.
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Extending Outlook Functionality with a .NET Add-In
Interacting with Office functionality in a .NET application can add a new level of functionality while providing the user with familiar methods of getting work done. Explore extending Outlook via a sample add-in.
Microsoft Outlook Integration with C#.NET
Interacting with Office functionality in a .NET application can add a new level of functionality while providing the user with familiar methods of getting work done. In Part One of this series, explore a sample WinForms Outlook contact management application.
Implementing a Decimal-to-Fraction Class with Operator Overloading
Learn how to implement a Fraction's class—which is ideally suited for overloaded operators and how to overload operators in Visual Basic.
.NET Tip: Create a Class with Overloaded Constructors
Overloading the constructor of a class, which is the method called when you instantiate an object, ensures that your object is populated with all the information it needs to operate properly.
Using Nullable Types in C#
The next release of C# (ECMA-334, 3rd Edition) includes the ability to use nullable data types. If you are unfamiliar with nullable types, this introduction is for you!
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Learn to use XSD, something that's built into Visual Studio, and makes handling XML data child's play.

Making Use of SQL Variables
Learn about SQL Variables and how to use them from Visual Basic.
The Top Challenge for Developers is...
Most developers face a grueling challenge to please their end users. We asked their top challenge is. With over 3,000 responses, the results are now available!