The exception that's thrown when a path or fully qualified file name is longer than the system-defined maximum length.

The most notable deficiency of the standard .NET System.IO is the lack of support of advanced NTFS features, most notably extended length path support (eg. file/directory paths longer than 260 …

Apr 20, 2025 · This tutorial explains how to handle the PathTooLongException in C# when working with file paths that exceed system limits. The exception occurs when path names are too long for the file …

Nov 5, 2021 · System.IO.PathTooLongException: The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less …

Aug 9, 2017 · In this article we'll examine the System.IO.PathTooLongException in more detail, starting with how the exception fits into the larger .NET Exception hierarchy.

Initializes a new instance of the PathTooLongException class with a specified error message and a reference to the inner exception that is the cause of this exception.

May 11, 2014 · Catching PathTooLongException is almost certainly going to be more reliable, since it's baked into the code you are calling. Note that, if you don't want to handle the exception, you don't …

Sep 15, 2021 · Because IOException is the base class of the other exception types in the System.IO namespace, you should handle in a catch block after you've handled the other I/O-related exceptions.

Jun 25, 2013 · It is not removed by default just by using the latest framework. You have to enable long path support in Windows (by either a registry change or Group Policy change). Then you must add …

Oct 13, 2023 · So I've written this, not sure if the best way to check if the whole folder path or folder path + file name will not result in PathTooLongException. Do you experts think it's just fine or …