C# CD等一覧の一括リネーム

大量のリネームがあったのでamazon等からテキストデータを持ってきて利用した。

using System;
using System.Windows.Forms;

namespace cd_ren
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void listBox1_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
            {
                e.Effect = DragDropEffects.Copy;
            }
            else
            {
                e.Effect = DragDropEffects.None;
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            int i = listBox1.SelectedIndex;
            if (i <= 0) return;
            var o = listBox1.SelectedItem;
            listBox1.Items.RemoveAt(i);
            listBox1.Items.Insert(i - 1, o);
            listBox1.SelectedIndex = i - 1;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int i = listBox1.SelectedIndex;
            if (listBox1.Items.Count - 1 == i) return;
            var o = listBox1.SelectedItem;
            listBox1.Items.RemoveAt(i);
            listBox1.Items.Insert(i + 1, o);
            listBox1.SelectedIndex = i + 1;
        }

        private void listBox1_DragDrop(object sender, DragEventArgs e)
        {
            string[] file_names = (string[])e.Data.GetData(DataFormats.FileDrop, false);
            listBox1.Items.AddRange(file_names);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            for(int r = 0; r < listBox1.Items.Count; r++ )
            {
                if (textBox1.Lines.Length - 1 < r || textBox1.Lines[r] == "") return;

                var original_full_path = listBox1.Items[r].ToString();
                var new_full_path = System.IO.Path.GetDirectoryName(listBox1.Items[r].ToString()) + @"\" + textBox1.Lines[r].ToString() + ".mp3";
                System.IO.File.Copy(original_full_path, new_full_path);
            }
        }

    }
}

using System;

using System.Windows.Forms;

namespace cd_ren

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void listBox1_DragEnter(object sender, DragEventArgs e)

{

if (e.Data.GetDataPresent(DataFormats.FileDrop))

{

e.Effect = DragDropEffects.Copy;

}

else

{

e.Effect = DragDropEffects.None;

}

private void button3_Click(object sender, EventArgs e)

{

int i = listBox1.SelectedIndex;

if (i <= 0) return;

var o = listBox1.SelectedItem;

listBox1.Items.RemoveAt(i);

listBox1.Items.Insert(i - 1, o);

listBox1.SelectedIndex = i - 1;

}

private void button1_Click(object sender, EventArgs e)

{

int i = listBox1.SelectedIndex;

if (listBox1.Items.Count - 1 == i) return;

var o = listBox1.SelectedItem;

listBox1.Items.RemoveAt(i);

listBox1.Items.Insert(i + 1, o);

listBox1.SelectedIndex = i + 1;

}

private void listBox1_DragDrop(object sender, DragEventArgs e)

{

string[] file_names = (string[])e.Data.GetData(DataFormats.FileDrop, false);

listBox1.Items.AddRange(file_names);

}

private void button2_Click(object sender, EventArgs e)

{

for(int r = 0; r < listBox1.Items.Count; r++ )

{

if (textBox1.Lines.Length - 1 < r || textBox1.Lines[r] == "") return;

var original_full_path = listBox1.Items[r].ToString();

var new_full_path = System.IO.Path.GetDirectoryName(listBox1.Items[r].ToString()) + @"\" + textBox1.Lines[r].ToString() + ".mp3";

System.IO.File.Copy(original_full_path, new_full_path);

}