Detailed explanation of the usage of C# DirectoryInfo class

The DirectoryInfo class is part of the namespace. It is used to create, delete and move directories. It provides a way to perform operations related to directories and subdirectories. This is a sealed class, so it cannot be inherited.

The DirectoryInfo class provides the constructors, methods and properties listed below.

C# DirectoryInfo Syntax

[SerializableAttribute]  
[ComVisibleAttribute(true)]  
public sealed class DirectoryInfo : FileSystemInfo

C# DirectoryInfo constructor

The following table lists the constructors of the DirectoryInfo class.

C# DirectoryInfo Properties

The properties of the DirectoryInfo class are listed in the following table.

C# DirectoryInfo method

The following table lists the methods defined in the DirectoryInfo class.

C# DirectoryInfo Example

In the following example, create a directory named yiibai_dir by specifying the directory path. Refer to the following example code implementation -

using System;
using ;
namespace CSharpProgram
{
    class Program
    {
        static void Main(string[] args)
        {
            // Provide directory name with complete location.  
            DirectoryInfo directory = new DirectoryInfo(@"F:\worksp\csharp\yiibai_dir");
            try
            {
                // Check, directory exist or not.  
                if ()
                {
                    ("Directory already exist.");
                    return;
                }
                // Creating a new directory.  
                ();
                ("The directory is created successfully.");
            }
            catch (Exception e)
            {
                ("Directory not created: {0}", ());
            }
        }
    }
}

Execute the above example code and get the following results -

The directory is created successfully.

Open the directory: F:\worksp\csharp You should see a directory named: yiibai_dir.

The DirectoryInfo class also provides a method to delete the created directory.

C# DirectoryInfo Example: Delete Directory

In the following program, we will delete the yiibai_dir directory created in the above example program.

using System;
using ;
namespace CSharpProgram
{
    class Program
    {
        static void Main(string[] args)
        {
            // Providing directory name with complete location.  
            DirectoryInfo directory = new DirectoryInfo(@"F:\worksp\csharp\yiibai_dir");
            try
            {
                // Deleting directory  
                ();
                ("The directory is deleted successfully.");
            }
            catch (Exception e)
            {
                ("Something went wrong: {0}", ());
            }
        }
    }
}

Execute the above example code and get the following results -

The directory is deleted successfully.

Open the directory: F:\worksp\csharp You should see that the yiibai_dir directory has been deleted.

If the directory does not exist at the specified location, it will throw an exception. You can modify the above code and test it yourself.

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