''' <summary>
''' Handles the <see cref="FileSplitter"/> instance.
''' </summary>
Private WithEvents splitter As New FileSplitter() With {.BufferSize = .BufferSize}
 
' The file to split.
Private ReadOnly filePath As String = "C:\File.ext"
 
' Split by chunk size.
Me.splitter.Split(sourceFile:=filePath,
                  chunkSize:=CInt(New IO.FileInfo(filePath).Length / 2),
                  chunkName:="File.Part",
                  chunkExt:="fs",
                  overwrite:=True,
                  deleteAfterSplit:=False)
 
' Or split by chunk amount.
Me.splitter.Split(sourceFile:=filePath,
                  chunkCount:=2,
                  chunkName:="File.Part",
                  chunkExt:="fs",
                  overwrite:=True,
                  deleteAfterSplit:=True)
 
''' <summary>
''' Handles the <see cref="FileSplitter.SplitProgressChangedArgs"/> event of the <see cref="Splitter"/> instance.
''' </summary>
''' <param name="sender">The source of the event.</param>
''' <param name="e">The <see cref="FileSplitter.SplitProgressChangedArgs"/> instance containing the event data.</param>
Private Sub Splitter_SplitProgressChangedArgs(ByVal sender As Object, ByVal e As FileSplitter.SplitProgressChangedArgs) _
Handles splitter.SplitProgressChanged
 
    labelSplit1.Text = String.Format("Total Progress: {0}%", e.TotalProgress.ToString("n1"))
    labelSplit2.Text = String.Format("Chunk Progress: {0}%", e.ChunkProgress.ToString("n1"))
    labelSplit3.Text = String.Format("Current  Chunk: {0} of {1}", CStr(e.ChunksCreated + 1), CStr(e.ChunksToCreate))
 
End Sub
 
''' <summary>
''' Handles the <see cref="FileSplitter.MergeProgressChangedArgs"/> event of the <see cref="Splitter"/> instance.
''' </summary>
''' <param name="sender">The source of the event.</param>
''' <param name="e">The <see cref="FileSplitter.MergeProgressChangedArgs"/> instance containing the event data.</param>
Private Sub Splitter_MergeProgressChangedArgs(ByVal sender As Object, ByVal e As FileSplitter.MergeProgressChangedArgs) _
Handles splitter.MergeProgressChanged
 
    labelMerge1.Text = String.Format("Total Progress: {0}%", e.TotalProgress.ToString("n1"))
    labelMerge2.Text = String.Format("Chunk Progress: {0}%", e.ChunkProgress.ToString("n1"))
    labelMerge3.Text = String.Format("Current  Chunk: {0} of {1}", CStr(e.ChunksMerged + 1), CStr(e.ChunksToMerge))
 
End Sub

/// <summary>
/// Handles the <see cref="FileSplitter"/> instance.
/// </summary>
private FileSplitter splitter = new FileSplitter { BufferSize = .BufferSize };
 
// The file to split.
private readonly string filePath = "C:\\File.ext";
 
// Split by chunk size.
this.splitter.Split(sourceFile: filePath, 
                    chunkSize: Convert.ToInt32(new IO.FileInfo(filePath).Length / 2), 
                    chunkName: "File.Part", 
                    chunkExt: "fs", 
                    overwrite: true, 
                    deleteAfterSplit: false);
 
// Or split by chunk amount.
this.splitter.Split(sourceFile: filePath, 
                    chunkCount: 2, chunkName: "File.Part", 
                    chunkExt: "fs", 
                    overwrite: true, 
                    deleteAfterSplit: true);
 
/// <summary>
/// Handles the <see cref="FileSplitter.SplitProgressChangedArgs"/> event of the <see cref="Splitter"/> instance.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="FileSplitter.SplitProgressChangedArgs"/> instance containing the event data.</param>
private void Splitter_SplitProgressChangedArgs(object sender, FileSplitter.SplitProgressChangedArgs e)
{
  labelSplit1.Text = string.Format("Total Progress: {0}%", e.TotalProgress.ToString("n1"));
  labelSplit2.Text = string.Format("Chunk Progress: {0}%", e.ChunkProgress.ToString("n1"));
  labelSplit3.Text = string.Format("Current  Chunk: {0} of {1}", Convert.ToString(e.ChunksCreated + 1), Convert.ToString(e.ChunksToCreate));
}
 
/// <summary>
/// Handles the <see cref="FileSplitter.MergeProgressChangedArgs"/> event of the <see cref="Splitter"/> instance.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="FileSplitter.MergeProgressChangedArgs"/> instance containing the event data.</param>
private void Splitter_MergeProgressChangedArgs(object sender, FileSplitter.MergeProgressChangedArgs e)
{
  labelMerge1.Text = string.Format("Total Progress: {0}%", e.TotalProgress.ToString("n1"));
  labelMerge2.Text = string.Format("Chunk Progress: {0}%", e.ChunkProgress.ToString("n1"));
  labelMerge3.Text = string.Format("Current  Chunk: {0} of {1}", Convert.ToString(e.ChunksMerged + 1), Convert.ToString(e.ChunksToMerge));
}
 
'=======================================================
'Service provided by Telerik (www.telerik.com)
'=======================================================

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
using System.IO; // No olvidar.
 
namespace Partir_Archivo
{
    class Program
    {
        static void Main(string[] args)
        {
 
            const int CHUNKSIZE = 1024 * 1024;
            byte[] buffer;
            int i = 1;
 
            FileStream infile = new FileStream(@"Archivo.bin", FileMode.Open, FileAccess.Read);
            BinaryReader reader = new BinaryReader(infile);
 
            reader.BaseStream.Position = 0;
            buffer = reader.ReadBytes(CHUNKSIZE);
            while (buffer.Length != 0)
            {
                FileStream outfile = new FileStream(@"File_" + i + ".bin", FileMode.CreateNew, FileAccess.Write);
                BinaryWriter writer = new BinaryWriter(outfile);
 
                writer.Write(buffer);
                writer.Flush();
                writer.Close();
                outfile.Close();
 
                buffer = reader.ReadBytes(CHUNKSIZE);
                i++;
            }
 
            reader.Close();
            infile.Close();
        }
    }
}