Tag Archives: files

Extract part of a JSON file in C#

This example shows how to read a JSON file and pick out only the pieces that are interesting. Recall from my post Anatomy of an example that my original goal with this series of articles was to write a program … Continue reading

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Write a TreeView into a tab-delimited file in C#

The example Load a TreeView from a tab-delimited file in C# shows how to load a TreeView control from a file. This example shows how to do the converse: write a TreeView control’s values into a file. The following SaveTreeViewIntoFile … Continue reading

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Download and display a text file whenever a program starts in C#

When this example starts, it downloads a file from the internet and displays it. You could do something similar to display a message of the day or announcements for your program. The program uses the following Load event handler to … Continue reading

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Delete files quickly and easily in C#

A while ago, I needed to delete files that were created when I opened old projects in a newer version of Visual Studio. LOTS of files. (As far as I know, there’s no way to tell Visual Studio not to … Continue reading

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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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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

Posted in .NET, algorithms, books, C#, C# programming | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 2 Comments