How to Rename a File in C#?

C# file rename

Modifying file names is a basic operation in file system operations. In the world of programming, C# provides a simple and effective solution for this task through the System.IO namespace.

Solution

To change the file name, C# uses the System.IO.File.Move method. This method effectively moves the file to a new location, essentially performing a rename operation.

Usage:

The syntax for using System.IO.File.Move is simple:

<code class="language-c#">System.IO.File.Move("旧文件名", "新文件名");</code>

In this example, "old filename" indicates the current name of the file and "new filename" specifies the desired new name.

Example:

Let’s consider a practical example. Let's say we have a file called "original.txt" and want to rename it to "renamed.txt". Using System.IO.File.Move, we can achieve it as follows:

<code class="language-c#">using System.IO;

public class FileRenameDemo
{
    public static void Main(string[] args)
    {
        System.IO.File.Move("original.txt", "renamed.txt");
    }
}</code>

After executing this code, the "original.txt" file will be renamed to "renamed.txt".

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