C#

<br />
Bitmap screenshotBitmap = new Bitmap("c:\\image.jpg");<br />
<br />
Bitmap newBitmap = new Bitmap(screenshotBitmap, newWidth, newheight);<br />
<br />
newBitmap.SetResolution(1200, 1200);<br />

using System;
using System.IO;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;


 public class PrintingExample : System.Windows.Forms.Form 
 {
     private System.ComponentModel.Container components;
     private System.Windows.Forms.Button printButton;
     private Font printFont;
     private StreamReader streamToPrint;

    public PrintingExample() : base() 
    {
       // The Windows Forms Designer requires the following call.
       InitializeComponent();
    }

    // The Click event is raised when the user clicks the Print button.
    private void printButton_Click(object sender, EventArgs e) 
    {
       try 
       {
           streamToPrint = new StreamReader
              ("C:\\My Documents\\MyFile.txt");
           try 
           {
              printFont = new Font("Arial", 10);
              PrintDocument pd = new PrintDocument();
              pd.PrintPage += new PrintPageEventHandler
                 (this.pd_PrintPage);
              pd.Print();
           }  
           finally 
           {
              streamToPrint.Close();
           }
       }  
       catch(Exception ex) 
       {
           MessageBox.Show(ex.Message);
       }
    }

    // The PrintPage event is raised for each page to be printed.
    private void pd_PrintPage(object sender, PrintPageEventArgs ev) 
    {
       float linesPerPage = 0;
       float yPos = 0;
       int count = 0;
       float leftMargin = ev.MarginBounds.Left;
       float topMargin = ev.MarginBounds.Top;
       string line = null;

       // Calculate the number of lines per page.
       linesPerPage = ev.MarginBounds.Height / 
          printFont.GetHeight(ev.Graphics);

       // Print each line of the file.
       while(count < linesPerPage && 
          ((line=streamToPrint.ReadLine()) != null)) 
       {
          yPos = topMargin + (count * 
             printFont.GetHeight(ev.Graphics));
          ev.Graphics.DrawString(line, printFont, Brushes.Black, 
             leftMargin, yPos, new StringFormat());
          count++;
       }

       // If more lines exist, print another page.
       if(line != null)
          ev.HasMorePages = true;
       else
          ev.HasMorePages = false;
    }


    // The Windows Forms Designer requires the following procedure.
    private void InitializeComponent() 
    {
       this.components = new System.ComponentModel.Container();
       this.printButton = new System.Windows.Forms.Button();

       this.ClientSize = new System.Drawing.Size(504, 381);
       this.Text = "Print Example";

       printButton.ImageAlign = 
          System.Drawing.ContentAlignment.MiddleLeft;
       printButton.Location = new System.Drawing.Point(32, 110);
       printButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
       printButton.TabIndex = 0;
       printButton.Text = "Print the file.";
       printButton.Size = new System.Drawing.Size(136, 40);
       printButton.Click += new System.EventHandler(printButton_Click);

       this.Controls.Add(printButton);
    }

    // This is the main entry point for the application.
    public static void Main(string[] args) 
    {
       Application.Run(new PrintingExample());
    }
 }

double n = 14d / 30d;

Christian Graus wrote:

Always use float.TryParse for a start

BR.ReadSingle()

float b = float.Parse(ExpNumString, NumberStyles.AllowExponent|NumberStyles.Float);