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Monthly Archives: April 2018
Find duplicate files in C#, Part 4 of 4
The last three posts described an application that searches for duplicate files and removes them. The program seems to work fairly well, at least for small test directories. When I tried it on a directory containing around 8,000 files, however, … Continue reading
Posted in algorithms, cryptography, files, system, tools
Tagged algorithms, C#, C# programming, compare files, cryptography, duplicate files, example, example program, files, find duplicate files, find duplicates, hash codes, hash files, hashing, remove duplicate files, remove duplicates, system, tools, Windows Forms programming
1 Comment
Find duplicate files in C#, Part 3 of 4
The last two posts described an application that searches for duplicate files and removes them. This post explains how the program removes the files when you click the Delete Selected button. When you click the button, the following code executes. … Continue reading
Posted in algorithms, cryptography, files, system, tools
Tagged algorithms, C#, C# programming, compare files, cryptography, duplicate files, example, example program, files, find duplicate files, find duplicates, hash codes, hash files, hashing, remove duplicate files, remove duplicates, system, tools, Windows Forms programming
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Find duplicate files in C#, Part 2 of 4
The previous post Find duplicate files in C#, Part 1 of 4 explained how the example uses a LINQ query to select files grouped by hash code. This post explains how the program displays the files’ contents and how the … Continue reading
Posted in algorithms, cryptography, files, system, tools
Tagged algorithms, C#, C# programming, compare files, cryptography, duplicate files, example, example program, files, find duplicate files, find duplicates, hash codes, hash files, hashing, remove duplicate files, remove duplicates, system, tools, Windows Forms programming
1 Comment
Find duplicate files in C#, Part 1 of 4
This example lets you find and remove duplicate files. It’s fairly complex, so I’m going to cover it’s more interesting pieces in several posts. I won’t cover some of the less interesting pieces at all. Enter a directory path or … Continue reading
Posted in algorithms, cryptography, files, system, tools
Tagged algorithms, C#, C# programming, compare files, cryptography, duplicate files, example, example program, files, find duplicate files, find duplicates, hash codes, hash files, hashing, remove duplicate files, remove duplicates, system, tools, Windows Forms programming
2 Comments
Write a CSV file from an array in C#
The example Read a CSV file into an array in C# shows how to load a CSV file into a two-dimensional array of strings. This example does the opposite: it saves a two-dimensional array of strings into a CSV (comma-separated … Continue reading
Posted in database, files, strings
Tagged C#, C# programming, comma-separated-value, comma-separated-value file, CSV, csv file, data, database, example, example program, files, read csv file, read file, strings, Windows Forms programming
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Calculate hash codes for a file in C#
Hash codes are codes that concisely represent files or other chunks of data. The basic idea is to combine the data’s bytes in ways so that two different files are likely to have different hash codes. If you save a … Continue reading
Posted in algorithms, cryptography, files
Tagged algorithms, C#, C# programming, cryptography, example, example program, files, hash codes, hash file, hashing, MD5, SHA256, Windows Forms programming
1 Comment
Copy a directory hierarchy into the executable directory in C#
The example Copy files into the executable directory in C# explains how to make Visual Studio copy a file into the executable directory when it builds a project. That makes it easy for the executable to find the file when … Continue reading
Use an animated cursor in C#
This example doesn’t show how to use an animated cursor file such as an animated gif or png file. As far as I know, C# doesn’t support that kind of cursor. What this example does do is show how to … Continue reading
Posted in drawing, graphics
Tagged animated cursor, Bitmap, C#, C# programming, cursor, drawing, example, example program, graphics, make animated cursor, transform, transformation, Windows Forms programming
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