Copy only certain files to another folder

[Pugita]

Hello everyone,

I was using Visual Studio C# windows form, How to copy only 3 text files to another folder?

According to my coding, after I clicked a button.. all 10 text files in folder A were copied to folder B. But I want 3 text files in folder B. sorry for my bad english grammar :') Below is my coding

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
string FROM_DIR = "C:/Users/N/Desktop/A/";
string filename = "text" + "*.*";
string TO_DIR = "C:/Users/N/Desktop/B/";

public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
DirectoryInfo diCopyForm = new DirectoryInfo(FROM_DIR);
FileInfo[] fiDiskfiles = diCopyForm.GetFiles(filename);
foreach (FileInfo curFile in fiDiskfiles)
{
try
{

File.Copy(curFile.FullName, TO_DIR + curFile.Name);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}

}
}
}

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