Working with Binary Files
In the following code we see how to create and read from a binary file of integers.
using System.IO;
FileStream objFileStream;
BinaryWriter objBinaryWriter;
BinaryReader br;
private void btnCreate_Click(object sender, EventArgs e)
{
try
{
//Creating a binary file
objFileStream = new FileStream(@"c:\Shalvin.data", FileMode.Create);
objBinaryWriter = new BinaryWriter(objFileStream);
//Writing data to binary file
objBinaryWriter.Write(98);
objBinaryWriter.Write(88);
objBinaryWriter.Close();
objFileStream MessageBox.Show("Binary file created successfully");
}
catch (IOException ioe)
{
MessageBox.Show("Device is not ready");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
private void btnRead_Click(object sender, EventArgs e)
{
objFileStream = new FileStream(@"c:\Shalvin.data", FileMode.Open);
br = new BinaryReader(objFileStream);
int le = (int)fs.Length;
for (int i = 0; i < le / 4; i++)
listBox1.Items.Add(br.ReadInt32());
objFileStream.Close();
br.Close
}