c# browse directory

the code below if i want user to input file name in

 string source = @"c:\song\sa.mp3";

by click bottom then it can browse and he can select file name how can i do that in  csharp


namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string source = @"c:\song\sa.mp3";
            string dest = @"c:\song1\01sa.mp3";

            string destDir = Path.GetDirectoryName(dest);
            if (!Directory.Exists(destDir))
            {
                Directory.CreateDirectory(destDir);
            }

            File.Copy(source, dest, true);

        }
    }
}
teeraAsked:
Who is Participating?
 
Todd GerbertIT ConsultantCommented:
I'm not sure what your question is, but here's a simple example using an OpenFileDialog to select the file to be copied, and a FolderBrowserDialog to select the folder to copy it to.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApplication1
{
	public partial class Form1 : Form
	{
		public Form1()
		{
			InitializeComponent();
		}

		private void SourceFileBrowseButton_Click(object sender, EventArgs e)
		{
			using (OpenFileDialog ofd = new OpenFileDialog())
			{
				ofd.Filter = "MP3 Files (*.mp3)|*.mp3|All Files (*.*)|*.*";
				ofd.FilterIndex = 1;
				ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyMusic);
				ofd.Title = "Select a file to copy...";
				ofd.ValidateNames = true;
				if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
					SourceFileTextBox.Text = ofd.FileName;
			}
		}

		private void DestinationFolderBrowseButton_Click(object sender, EventArgs e)
		{
			using (FolderBrowserDialog fbd = new FolderBrowserDialog())
			{
				fbd.RootFolder = Environment.SpecialFolder.MyComputer;
				fbd.SelectedPath = Environment.GetFolderPath(Environment.SpecialFolder.MyComputer);
				if (fbd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
					DestinationFolderTextBox.Text = fbd.SelectedPath;
			}
		}

		private void CopyFileButton_Click(object sender, EventArgs e)
		{
			if (!File.Exists(SourceFileTextBox.Text))
			{
				MessageBox.Show("Source File Does Not Exist");
				return;
			}

			if (!Directory.Exists(DestinationFolderTextBox.Text))
			{
				MessageBox.Show("Destination Folder Does Not Exist");
				return;
			}

			string sourceFolder = Path.GetDirectoryName(SourceFileTextBox.Text);
			string sourceFile = Path.GetFileName(SourceFileTextBox.Text);
			string destinationPath = Path.Combine(DestinationFolderTextBox.Text, sourceFile);

			if (File.Exists(destinationPath))
				destinationPath = GetNumberedFileName(DestinationFolderTextBox.Text, sourceFile);

			File.Copy(SourceFileTextBox.Text, destinationPath);

			SourceFileTextBox.Text = String.Empty;
			DestinationFolderTextBox.Text = String.Empty;
		}

		private string GetNumberedFileName(string folder, string file)
		{
			string fileBase = Path.GetFileNameWithoutExtension(file);
			string extension = Path.GetExtension(file);

			for (int i = 2; i < 10000; i++)
			{
				string testFileName = String.Format(@"{0}\{1} ({2}){3}", folder, fileBase, i, extension);
				if (!File.Exists(testFileName))
					return testFileName;
			}
			return String.Empty;
		}
	}
}

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Subrat (C++ windows/Linux)Software EngineerCommented:
In your form
1. Create a textbox,  let's name: txtMP3
2. Create a button with name:btnSelectMP3, text: Select MP3 or something like this.
3. In the button handler(By Double clicking that button), write the code as described above to select the MP3 file...

Follow the same steps as described above, if needed.
0
 
Todd GerbertIT ConsultantCommented:
I thought it was obvious from the code example there are two text boxes, SourceFileTextBox and DestinationFolderTextBox, and three buttons, SourceFileBrowseButton, DestinationFolderBrowseButton and CopyFileButton.  The methods named ButtonName_Click() run when their respective buttons are clicked.
I did forget to mention that I included a method, GetNumberedFileName, which is not directly related to the question - if a file with the same name already exists in the destination this method will return a new file name such as sa (2).MP3, or sa (3).mp3.
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