Tag Archives: files

Determine whether a file or directory exists in C#

It’s usually more efficient to check whether a file or directory exists before you try to access it. For example, if you try to read a file that doesn’t exist, the system needs to create error handling objects and a … Continue reading

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Book Errata Page: The C# Helper Top 100

This is the errata page for my book The C# Helper Top 100, The 100 most popular posts at csharphelper.com. If you find mistakes, please post them here in the Leave a Reply box at the bottom of the page. … Continue reading

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Book Discussion Page: The C# Helper Top 100

This is a discussion page for my book The C# Helper Top 100, The 100 most popular posts at csharphelper.com. Please post questions, thoughts, and suggestions here in the “Leave a Reply” box at the bottom of the page. I … Continue reading

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Table of Contents: The C# Helper Top 100

This is a brief summary of the book’s table of contents. Introduction Part I. Serialization 1. Read a CSV File into an Array (1) 2. Use JSON to Serialize and Deserialize Objects (49) Part II. Graphing 3. Draw a Graph … Continue reading

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New Book: The C# Helper Top 100

I’m happy to announce my latest book, The C# Helper Top 100, The 100 most popular posts at csharphelper.com. It describes the 100 most popular posts on the C# Helper web site. This is my 32nd book and my second … Continue reading

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Examine the unique words in a Microsoft Word file in C#

This example is a modification of the earlier post List the unique words in a Microsoft Word file in C#. That program reads the words in a Microsoft word file, sorts them, and then displays the unique words in a … Continue reading

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Safely manage documents in C#

This is a pretty involved example that shows how to safely manage documents. The pieces are all simple but there are a lot of tightly integrated pieces. This example lets you create, edit, open, and save files in text and … Continue reading

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Parse file sizes in KB, MB, GB, and so forth in C#

The example Format file sizes in KB, MB, GB, and so forth in C# shows how to convert a number into a string formatted in KB, MB, etc. This example does the opposite: it parses a value such as “1.23 … Continue reading

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Make a simple event logger in C#

Usually the debugger lets you examine how a program works quite effectively, but sometimes it’s useful to use an event logger to record events for later study. For example, when you’re working with mouse events, stopping execution at a break … Continue reading

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Make a hangman game in C#

Special thanks to Jeff Scarterfield for the skeleton drawing used by the program. This example builds a simple hangman game that uses the dictionary created by the example Use LINQ to select words of certain lengths from a file in … Continue reading

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