Category Archives: directories

Merge directories in C#

Posted on May 17, 2018 by Rod Stephens

This example lets you merge directories. Once upon a time, if you used Windows Explorer to move a file from one directory to another and the destination directory already contained a file with that name, you had the option of … Continue reading →

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Compress and decompress directories in C#

Posted on March 26, 2018 by Rod Stephens

The ZipFile class provides remarkably simple methods to compress and decompress directories in the zip format. This class is defined in the .NET Framework version 4.5, so this example is in Visual Studio 2017 instead of an older version. To … Continue reading →

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

Posted on November 21, 2017 by Rod Stephens

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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Find files in the startup directory in C#

Posted on November 26, 2016 by Rod Stephens

In some programs you may want to find files that were installed with the program. One way to do that is to put the files in the program’s installation directory. Open the Project menu, select Add Existing Item, find the … Continue reading →

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List the locations of special folders in C#

Posted on November 23, 2016 by Rod Stephens

The System.Environment class’s SpecialFolders enumeration lists special folders such as System, Cookies, Desktop, and so forth. The class’s GetFolderPath method returns the full path for one of the special folders values. This program uses the following code to enumerate the … Continue reading →

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Create a directory and intermediate directories in C#

Posted on November 11, 2016 by Rod Stephens

The System.IO.Directory class’s CreateDirectory method creates a directory. If the directory’s path includes missing intermediate directories, it creates them, too. For example, if C:\DirA is empty and you use CreateDirectory to create C:\DirA\DirB\DirC, then the method automatically creates DirB as … Continue reading →

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Let the user select a folder in C#

Posted on February 5, 2016 by Rod Stephens

This example demonstrates two handy techniques. First, it lets you select a folder. When you click the program’s ellipsis button, the following code displays a FolderBrowserDialog. This lets the user pick a directory instead of needing to type it in. … Continue reading →

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Number files in a directory in C#

Posted on November 24, 2015 by RodStephens

I recently went on a trip where I took almost a thousand pictures. My phone (which has a pretty good camera) gives the pictures file names such as WP_20151106_22_04_47_Pro.jpg. I wanted an easy way to number files so they have … Continue reading →

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List Dropbox directories and files in C#

Posted on October 13, 2015 by RodStephens

Dropbox is a file sharing service. The free Basic version lets you easily share up to 2 GB of files across the internet. The $9.99/month Pro version gives you up to 1 TB and the $15.00/month Business version gives you … Continue reading →

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Find, open, and replace text in files in C#

Posted on December 19, 2014 by Rod Stephens

The example Find files and replace text in them in C# shows how you can find and replace text in files. This example modifies that one to let you open the files you find by double clicking on them in … Continue reading →

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