Title	Keywords
HowTo: Iterate over the items in an array of unknown dimension	iterate, array, dimension, multi-dimensional, unknown, For Each, loop

Data Types

Title	Keywords
HowTo: Use nullable parameters in Visual Basic .NET	syntax, methods, overloaded methods, overloading, overload, null parameters, optional, optional parameters, nullable, nullable parameters, missing parameters, Visual Basic .NET, VB.NET
HowTo: Compare two variables of a user-defined type (UDT) to see if they hold the same values	UDT, user-defined type, data type, compare
HowTo: See if a date string is valid using regional date settings	date string, validate, validation, regional, international
HowTo: See if a date string is valid	date string, validate, validation

Initialization

Title	Keywords
HowTo: Initialize arrays and lists in Visual Basic .NET	initialize arrays, initialize lists, initialize, initialization

LINQ

Title	Keywords
HowTo: Use regular expressions and LINQ to list the unique words contained in a text file in Visual Basic .NET	files, regular expressions, LINQ, strings, replace, unique words, words, count words, Visual Basic .NET, VB.NET, example, example program, Windows Forms programming