C#

private void Form1_DragDrop(object sender, System.Windows.Forms.DragEventArgs e)
{
   object ob = e.Data.GetData(DataFormats.FileDrop, true); 
   if(ob!=null)
   {
      System.Array files = (System.Array) ob;
      foreach(string file in files)
         System.Diagnostics.Debug.WriteLine(file);
   }
}

using System;
using System.IO;
using System.Collections;
using System.Collections.Specialized;

public class Class1
{
	public static void FormatFile(string text2read)
	{
		const char EOF = char.MaxValue;
		
		TextReader reader = new StringReader (text2read);
		BitVector32 vector = new BitVector32 (0);
		ArrayList al = new ArrayList ();

		char bit = (char) reader.Read ();
		int pos = 0;
		while (bit != EOF)
		{
			vector[pos] = Convert.ToBoolean (bit);
			pos++;
			if (pos == 32)
			{
				al.Add (vector.Data);
				vector.Data = 0;
				pos = 0;
			}
			bit = (char) reader.Read ();
		}

		int index = 0;
		const int width = 14;
		const string format = 
			"{0:x0000} {1:x0000} {2:x0000} {3:x0000} {4:x0000} " +
			"{5:x0000} {6:x0000} {7:x0000} {8:x0000} {9:x0000} " +
			"{10:x0000} {11:x0000} {12:x0000} {13:x0000}";

		int[] vals;

		while (index + width < al.Count)
		{
			vals = (al.GetRange (index, width)).ToArray (typeof (int)) as int[];
			Console.WriteLine (format, vals);
			index += width;
		}

		// clean up the odd remainder.
		
	}
}

α.γεεκ

Fortune passes everywhere.
Duke Leto Atreides

vector.Data = 0;

vector = new BitVector32 (0);

α.γεεκ

Fortune passes everywhere.
Duke Leto Atreides

private void textBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
   // Allow only alpha characters
   base.OnKeyPress(e);
   if (Char.IsLetter(e.KeyChar) || Char.IsPunctuation(e.KeyChar) 
       || Char.IsSeparator(e.KeyChar) || Char.GetNumericValue(e.KeyChar) == -1)
      e.Handled = false;
   else 
      e.Handled = true;
}

this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);

private void textBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
       // Allow only alpha characters   
	base.OnKeyPress(e);   
        if (Char.IsLetter(e.KeyChar) || Char.IsPunctuation(e.KeyChar)        
	    || Char.IsSeparator(e.KeyChar) || Char.GetNumericValue(e.KeyChar) == -1)      
            e.Handled = false;   
	else       
	    e.Handled = true;
}

α.γεεκ

Fortune passes everywhere.
Duke Leto Atreides