This article demonstrates how to use I/O classes to synchronously copy the contents of a directory to another location.
This example copies a subdirectory by setting the CopyDirectory
method's recursive
argument to true
. CopyDirectory
Method copies each subdirectory recursively by calling its own method on them until there are no more subdirectories to copy.
using System.IO;
CopyDirectory(@".\", @".\copytest", true);
static void CopyDirectory(string sourceDir, string destinationDir, bool recursive)
{
// Get information about the source directory
var dir = new DirectoryInfo(sourceDir);
// Check if the source directory exists
if (!dir.Exists)
throw new DirectoryNotFoundException($"Source directory not found: {dir.FullName}");
// Cache directories before we start copying
DirectoryInfo[] dirs = dir.GetDirectories();
// Create the destination directory
Directory.CreateDirectory(destinationDir);
// Get the files in the source directory and copy to the destination directory
foreach (FileInfo file in dir.GetFiles())
{
string targetFilePath = Path.Combine(destinationDir, file.Name);
file.CopyTo(targetFilePath);
}
// If recursive and copying subdirectories, recursively call this method
if (recursive)
{
foreach (DirectoryInfo subDir in dirs)
{
string newDestinationDir = Path.Combine(destinationDir, subDir.Name);
CopyDirectory(subDir.FullName, newDestinationDir, true);
}
}
}