Category Archives: files

Load a cursor from a resource in C#

Sometimes it’s useful to use a non-standard cursor in a program. This example explains how you can load a cursor from a cursor file included as a project resource. To add a cursor file to the project’s resources, open the … Continue reading

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Initialize a TreeView control to display a directory hierarchy in C#

This example adds the following LoadFromDirectory extension method to the TreeView control. // Initialize the TreeView from a directory, // its subdirectories, and their files. public static void LoadFromDirectory(this TreeView trv, string directory, int folder_img, int file_img) { DirectoryInfo dir_info … Continue reading

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Make a text file a project resource in C#

This is handy for including a large amount of text as a project resource instead of putting the text directly in the code or including a file in the program’s installation package. Open the Project menu and select Properties. Open … Continue reading

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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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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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Use LINQ to select words of certain lengths from a file in C#

This example uses LINQ to read a file, remove unwanted characters, select words of a specified length, and save the result in a new file. Recently I needed a big word list so I searched around for public domain dictionaries. … Continue reading

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