Loop Through Each Sub Directories In Sub Directories

Question

I have a main folder which contains many sub directories. Inside each sub directory, there are many sub directories.

Does anyone knows how can I loop through the many sub directories in each sub directory?

This is my codes currently:

if (Directory.Exists(MainDirectory))
{
    foreach (DirectoryInfo SubDir in new DirectoryInfo(MainDirectory).GetDirectories())
    {
        foreach (FileInfo Image in SubDir.GetFiles())
        {
            Image.Delete();
        }
        SubDir.Delete(true);            
    }
    Directory.Delete(MainDirectory, true);
}

My current codes will only loop through the images from each subdirectory from the main directory.

Please help me on this.

Ian · Accepted Answer · 2015-12-18 07:11:59Z

4

You can use the Directory SearchOption.AllDirectories or you can use recursive call for it, whichever is appropriate.

If what you really interested in are files rather than to enter the sub-directories themselves, the method that you can use is Directory.GetFiles, something like this:

string[] files = Directory.GetFiles(folderpath, "*", SearchOption.AllDirectories); //"*" denotes all file format

the return is string[] which contains all filepaths in the given folderpath including those which are in the sub-directories.

You can change the SearchPattern ("*" in the example) to suit the file search pattern (formats) which you need.

If you really need to enter the sub-directory however, you can create recursive calls and in the call, you can check if the directory has further (deeper) folder by using DirectoryInfo.GetDirectories()

edited Dec 18, 2015 at 7:11

answered Dec 18, 2015 at 6:56

Ian

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2 Comments

Suprabhat Biswal Over a year ago

Nicely explained +10.

Suprabhat Biswal Over a year ago

Welcome, Hope the path is not troubling you anymore.

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