C#

private void panelSig_MouseMove(object sender, MouseEventArgs e)
{
    if (shouldPaint)
    {
        Graphics graphic = panelSig.CreateGraphics();
        Cursor.Clip = new Rectangle(this.PointToScreen(panelSig.Location), panelSig.Size);

        graphic.DrawLine(pen, lastPoint.X, lastPoint.Y, e.X, e.Y);
        graphic.Dispose();

        lastPoint.X = e.X;
        lastPoint.Y = e.Y;

        panelSig.Invalidate(new Rectangle(0, 0, panelSig.Width, panelSig.Height));

        Cursor.Clip = new Rectangle(0, 0, 0, 0);
    }
}

private void panelSig_MouseDown(object sender, MouseEventArgs e)
{
    shouldPaint = true;
    lastPoint.X = e.X;
    lastPoint.Y = e.Y;
}

private void panelSig_MouseUp(object sender, MouseEventArgs e)
{
    shouldPaint = false;
}

Bitmap TestBMP = new Bitmap(panelSig.Width, panelSig.Height);
FileStream fs = new FileStream(saveFile.FileName, FileMode.Create, FileAccess.Write);
panelSig.DrawToBitmap(TestBMP, new Rectangle(0, 0, panelSig.Width, panelSig.Height));

TestBMP.Save(fs, ImageFormat.Png);
fs.Close();

<br />
object[] row = {MyDataClass.FirstName, MyDataClass.LastName};<br />

 <br />
private void btnSplit_Click(object sender, EventArgs e)<br />
        {<br />
            string inputFile = this.txtFileToImport.Text; // Substitute this with your Input File <br />
            FileStream fs = new FileStream(inputFile, FileMode.Open, FileAccess.Read);<br />
            int numberOfFiles = (int)this.numericUpDown1.Value;<br />
            int numberOfRows = (int)this.dataGridView_preView.RowCount - 1;<br />
            decimal rowsPerFile = numberOfRows / numberOfFiles;<br />
            int sizeOfEachFile = (int)Math.Ceiling((double)rowsPerFile);<br />
            lblPray.Text = " Rows: " + sizeOfEachFile.ToString();<br />
<br />
            string OutputFolder = inputFile + "_Batches";<br />
            if (Directory.Exists(inputFile) == false)<br />
<br />
            {<br />
                Directory.CreateDirectory(OutputFolder);<br />
            }<br />
   <br />
            // Read the csv column's header<br />
            System.IO.StreamReader reader = new System.IO.StreamReader(inputFile);<br />
            string strHeader = reader.ReadLine();<br />
<br />
            // Start splitting<br />
            int FileIndex = 0;<br />
<br />
            do<br />
                {<br />
<br />
                // Create new file to store a piece of the csv file<br />
                string PiecePath = OutputFolder + "\\" + Path.GetFileNameWithoutExtension(inputFile) + "_" + FileIndex + Path.GetExtension(inputFile);<br />
                StreamWriter Writer = new StreamWriter(PiecePath, false);<br />
                Writer.AutoFlush = false;<br />
                Writer.WriteLine(strHeader);<br />
<br />
                // Read and writes precise number of rows<br />
                for (int i = 1; i <= sizeOfEachFile; i++)<br />
                {<br />
<br />
                    string s = reader.ReadLine();<br />
                    if (s != null & _IsAbort == false)<br />
                    {<br />
                        Writer.WriteLine(s);<br />
                    }<br />
                    else<br />
                    {<br />
                        Writer.Flush();<br />
                        Writer.Close();<br />
                    }<br />
                }<br />
<br />
                // Flush and close the splitted file<br />
                Writer.Flush();<br />
                Writer.Close();<br />
            }<br />
            while (true);<br />
        }       <br />
    }<br />
}<br />