C# File Operations: Part 1

namespace MyBlog
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
btnWriteFile.Click += new EventHandler(btnWriteFile_Click);
btnAppendFile.Click += new EventHandler(btnAppendFile_Click);
}

private void btnWriteFile_Click(object sender, EventArgs e)
{
try
{
System.IO.FileStream myFileStream
= new System.IO.FileStream("C:\\myTemp.txt", System.IO.FileMode.CreateNew, System.IO.FileAccess.ReadWrite);
System.IO.StreamWriter myStreanWriter = new System.IO.StreamWriter(myFileStream);
myStreanWriter.BaseStream.Seek(0, System.IO.SeekOrigin.Begin);
myStreanWriter.Write("Hello");
MessageBox.Show("Your Data Written Successfully.");

myStreanWriter.Close();
myFileStream.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}

private void btnAppendFile_Click(object sender, EventArgs e)
{
try
{
System.IO.FileStream myFileStream=new System.IO.FileStream("C:\\myTemp.txt",System.IO.FileMode.Append,System.IO.FileAccess.Write);
System.IO.StreamWriter myStreamWriter = new System.IO.StreamWriter(myFileStream, System.Text.Encoding.Default);
myStreamWriter.BaseStream.Seek(0, System.IO.SeekOrigin.End);
myStreamWriter.Write("Append");
MessageBox.Show("Your Data Appended Successfully.");

myStreamWriter.Close();
myFileStream.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
}
}