C#

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    void BtncopyClick(object sender, EventArgs e)
    {
        string filename=@"E:\\Files\\Reports\\R^ECG^_0_1688^Jones^^_20160711065157_20160711065303 - Copy (4) - Copy.pdf";
        string sourcepath=@"E:\\Anusha";
        string targetpath=@"E:\\Anusha\\aaa";

        string sourcefile= System.IO.Path.Combine(sourcepath,filename);
        string destfile= System.IO.Path.Combine(targetpath,filename);
        if (!System.IO.Directory.Exists(targetpath))
        {
        System.IO.Directory.CreateDirectory(targetpath);
        }
      System.IO.File.Copy(sourcefile, destfile, true);
        if (System.IO.Directory.Exists(sourcepath))
    {
        string[] files = System.IO.Directory.GetFiles(sourcepath);

        // Copy the files and overwrite destination files if they already exist.
        foreach (string s in files)
        {
            // Use static Path methods to extract only the file name from the path.
            filename = System.IO.Path.GetFileName(s);
            destfile = System.IO.Path.Combine(targetpath, filename);
            System.IO.File.Copy(s, destfile, true);
        }
    }
    else
    {
        MessageBox.Show("File doesn't exist");
    }
}
    void BtnmoveClick(object sender, EventArgs e)
    {
        String path = "E:\\Files\\25-11-2017";
        String path2 = "E:\\Anusha\\aaa\\25-11-2017";

    if (!File.Exists(path))
    {
        {
            // This statement ensures that the file is created,
            // but the handle is not kept.
            using (FileStream fs = File.Create(path)) {}
        }

        System.IO.Directory.Move("E:\\Files\\25-11-2017",@"E://Anusha//aaa");

        // Move the file.
        File.Move(path, path2);
        MessageBox.Show("File Moved");
        }
 }

i HAVE WRITTEN BELOW code to copy and move the folder ,I am not getting any compiling errors but while i am trying to click on button on output form it was showing as termination.

using OpenTK;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

namespace Tutorial_08.net.sourceskyboxer
{
    public class WaveFrontLoader
    {
        private static List<Vector3> inPositions;
        private static List<Vector2> inTexcoords;
        private static List<Vector3> inNormals;

        private static List<float> positions;
        private static List<float> texcoords;
        private static List<int> indices;

        public static RawModel LoadObjModel(string filename, Loader loader)
        {
            inPositions = new List<Vector3>();
            inTexcoords = new List<Vector2>();
            inNormals = new List<Vector3>();

            positions = new List<float>();
            texcoords = new List<float>();
            indices = new List<int>();

            int nextIdx = 0;

            using (var reader = new StreamReader("Contents/" + filename + ".obj", Encoding.UTF8))
            {
                string line = reader.ReadLine();
                while (true)
                {
                    string[] currentLine = line.Split(new[] { ' ' }, StringSplitOptions.None);

                    if (currentLine[0] == "v")
                    {
                        Vector3 pos = new Vector3(float.Parse(currentLine[1]), float.Parse(currentLine[2]), float.Parse(currentLine[3]));
                        inPositions.Add(pos);

                        if (currentLine[1] == "t")
                        {
                            Vector2 tex = new Vector2(float.Parse(currentLine[1]), float.Parse(currentLine[2]));
                            inTexcoords.Add(tex);
                        }

                        if (currentLine[1] == "n")
                        {
                            Vector3 nom = new Vector3(float.Parse(currentLine[1]), float.Parse(currentLine[2]), float.Parse(currentLine[3]));
                            inNormals.Add(nom);
                        }
                    }

                    if (currentLine[0] == "f")
                    {
                        Vector3 pos = inPositions[0];
                        positions.Add(pos.X);
                        positions.Add(pos.Y);
                        positions.Add(pos.Z);
                        Vector2 tc = inTexcoords[0];
                        texcoords.Add(tc.X);
                        texcoords.Add(tc.Y);
                        indices.Add(nextIdx);
                        ++nextIdx;
                    }

                    reader.Close();
                    return loader.loadToVAO(positions.ToArray(), texcoords.ToArray(), indices.ToArray());
                }
            }
        }
    }
}

loader = new Loader();
shader = new StaticShader();
renderer = new Renderer(shader);

//model = loader.loadToVAO(vertices, textureCoords, indices);
model = WaveFrontLoader.LoadObjModel("example", loader);
texturedModel = new TexturedModel(model, new ModelTexture(loader.loadTexture("example")));
entity = new Entity(texturedModel, new Vector3(0, 0, -40), 0, 0, 0, 1);
camera = new Camera();

try
{
  Process process = new Process();

  if (optionHidden)
  {
    process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
  }

  process.StartInfo.FileName = application;

  process.StartInfo.Arguments = arguments;

  process.Start();

  if (optionWait)
  {
    process.WaitForExit();
  }
}

catch (Exception e)
{
  Console.WriteLine("Failed to launch {0} because of {1}", application, e.Message);
}

private void btnCalculate_Click(object sender, EventArgs e)
{
    string name = txtName.Text;
    string number = txtNumber.Text;
    double hourlyRate = Convert.ToDouble(txtPay.Text);
    double hoursWorked = Convert.ToDouble(txtHours.Text);
    double grossPay = 0.0;
    TextWriter txt = new StreamWriter("employee_information.txt");



    if (hoursWorked <= 40)
        grossPay = hourlyRate * hoursWorked;
    else
        grossPay = (hourlyRate * 40) + (hourlyRate * 1.5) * (hoursWorked - 40);
    txt.Write("Employee Name: "+ txtName.Text + " " + txtNumber.Text + " " + txtPay.Text + " " + txtHours.Text);
    txt.Close();
    try
    {
        using (StreamReader sr = new StreamReader("employee_information.txt" ))
        {
            string line = sr.ReadToEnd();
            lblInformation.Text = line;
        }
    }
    catch (Exception ex)
    {
        lblInformation.Text = "The file could not be read:";

    }
    //lblInformation.Text = "Name: " + name + ", Pay Amount: " + grossPay.ToString("C");
}