Copy folder using vb.net

Imports System.IO
Public Class Form1
	Private Sub CopyDirectory(ByVal SourcePath As String, ByVal DestPath As String, Optional ByVal Overwrite As Boolean = False)
		Dim SourceDir As DirectoryInfo = New DirectoryInfo(SourcePath)
		Dim DestDir As DirectoryInfo = New DirectoryInfo(DestPath)
		' the source directory must exist, otherwise throw an exception
		If SourceDir.Exists Then
			' if destination SubDir's parent SubDir does not exist throw an exception
			If Not DestDir.Parent.Exists Then
				Throw New DirectoryNotFoundException _
					("Destination directory does not exist: " + DestDir.Parent.FullName)
			End If
			If Not DestDir.Exists Then
				DestDir.Create()
			End If
			'copy all the files of the current directory
			Dim ChildFile As FileInfo
			For Each ChildFile In SourceDir.GetFiles()
				If Overwrite Then
					ChildFile.CopyTo(Path.Combine(DestDir.FullName, ChildFile.Name), True)
				Else
				' if Overwrite = false, copy the file only if it does not exist
				' this is done to avoid an IOException if a file already exists
				' this way the other files can be copied anyway...
					If Not File.Exists(Path.Combine(DestDir.FullName, ChildFile.Name)) Then
						ChildFile.CopyTo(Path.Combine(DestDir.FullName, ChildFile.Name), False)
					End If
				End If
			Next
			' copy all the sub-directories by recursively calling this same routine
			Dim SubDir As DirectoryInfo
			For Each SubDir In SourceDir.GetDirectories()
				CopyDirectory(SubDir.FullName, Path.Combine(DestDir.FullName, _
						SubDir.Name), Overwrite)
			Next
		Else
			Throw New DirectoryNotFoundException("Source directory does not exist: " + SourceDir.FullName)
	End If
End Sub

'Usage:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
	CopyDirectory("C:\zipMe", My.Computer.FileSystem.SpecialDirectories.MyDocuments & "\Folder1", False)
End Sub

Copy folder using Shell32 :-