///C# example...
        OpenFileDialog od = new OpenFileDialog();
	private void button1_Click(object sender, System.EventArgs e)
	{
		od.Filter = "text files|*.txt";
		od.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
		od.RestoreDirectory = true;
		if(od.ShowDialog() == DialogResult.OK)
		{
			System.IO.StreamReader sReader = new System.IO.StreamReader(new System.IO.FileStream(od.FileName , System.IO.FileMode.Open));
			while(sReader.Peek()!=-1)
			{
				Console.WriteLine(sReader.ReadLine());
			}
			sReader.Close();
		}
	}
	

'///vb.net example...
        Dim od As New OpenFileDialog
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
	With od
	    .Filter = "text files|*.txt"
	    .InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal)
            .RestoreDirectory = True
            If .ShowDialog = DialogResult.OK Then
                Dim sReader As New System.IO.StreamReader(New System.IO.FileStream(od.FileName, System.IO.FileMode.Open))
                While Not sReader.Peek = -1
                    	Console.WriteLine(sReader.ReadLine)
                End While
                sReader.Close()
            End If
        End With
    End Sub

///C# example
///download from the internet to file...
	System.Net.WebClient wClient = new System.Net.WebClient();
	wClient.DownloadFile("http://google.com",@"C:\google.htm");
	wClient.Dispose();
///download from the internet to a byte array...
	System.Net.WebClient wClient = new System.Net.WebClient();
	byte[] bHtml = wClient.DownloadData("http://google.com");
	string html = System.Text.Encoding.Default.GetString(bHtml);
	MessageBox.Show(html);
        wClient.Dispose();

        
'///vb.net example...
'///download from the internet to file...
        Dim wClient As New System.Net.WebClient
        wClient.DownloadFile("http://google.com", "C:\google.htm")
        wClient.Dispose()
'///download from the internet to a byte array...
        Dim wClient As New System.Net.WebClient
        Dim bHtml As Byte() = wClient.DownloadData("http://google.com")
        Dim html As String = System.Text.Encoding.Default.GetString(bHtml)
        MessageBox.Show(html)
        wClient.Dispose()

'///C# example...
	private void button1_Click(object sender, System.EventArgs e)
	{
		MessageBox.Show(StringReverse("test 123"));
	}

	private string StringReverse(string ToReverse)
	{
		Array arr = ToReverse.ToCharArray();
		Array.Reverse( arr ); // reverse the string
		char[] c = (char[])arr;
		byte[] b = System.Text.Encoding.Default.GetBytes(c);
		return System.Text.Encoding.Default.GetString(b);
	}


'///vb.net example...
        Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    	    MessageBox.Show(StringReverse("test 123"))
	End Sub

	Private Function StringReverse(ByVal ToReverse As String) As Char()
   
    	    Dim arr As Array = ToReverse.ToCharArray
    	    Array.Reverse(arr)
       	    Return DirectCast(arr, Char())

	End Function