List all Files Matching Search Pattern in Directory and Subdirectories

This blog defines how to list all files matching search pattern in directory and subdirectories.

 /// <summary>

        /// Lists all matching search pattern filenames and filesize in directory
        /// </summary>
        /// <param name="rootDirPath">root directory path like C:\test\</param>
        /// <param name="searchPattern">file search pattern like *.js for searching all javascript files</param>

        private static void ListAllFilesInDirectoryAndSubdirectories(string rootDirPath, string searchPattern)

        {
           var dir = new DirectoryInfo(rootDirPath);
            if (!dir.Exists)
            {
                Console.WriteLine("Directory doesn't exists: " + dir.ToString());
                return;
            } 

            DirectoryInfo sourceDir = new DirectoryInfo(rootDirPath);

            FileInfo[] files = sourceDir.GetFiles(searchPattern);  //Get only files which you need to work with.
            foreach (var myFile in files)
            {
                try
                {
                    Console.WriteLine("Filename:" + myFile.FullName);
                    Console.WriteLine("Filesize:" + myFile.Length);
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                }
            }
            DirectoryInfo[] subDirectories = sourceDir.GetDirectories();    //Get subdirectories
            foreach (var subDirectory in subDirectories)
            {
                ListAllFilesInDirectoryAndSubdirectories(subDirectory.FullName, searchPattern);
            }
        }