C#

object Item = GetData();
...cast Item to specific type...

public object GetData()
{
  ...read the data and determine the different types of data
  ...now cast that data to the specific type of data
  ...and return that type-specific object
}

public class DataTypeOne
{ .. what makes this unique .. }
public class DataTypeTwo
{ .. what makes this unique .. }

InitializeComponents();  // look familiar?
LoadForm(TypeSpecificItem);
...
public void LoadForm(DataTypeOne item)
{
  DataOneForm form = new DataOneForm(item);
  this.Components.Add(form);
}
public void LoadForm(DataTypeTwo item)
{
   DataTwoForm form = new DataTwoForm(item);
   this.Components.Add(form);
}
.... overload for each object type ....

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byte[] bits = ...;
string hash = System.Text.Encoding.Default.ToString(bits);

byte[] buffer = Encoding.Default.GetBytes("Hello, world!");
StringBuilder sb = new StringBuilder(buffer.Length * 2); // Initial capacity
foreach (byte b in buffer)
  sb.Append(b.ToString("x2")); // Faster than using StringBuilder.AppendFormat
return sb.ToString();

MD5 md5 = MD5.Create();
byte[] buffer = Encoding.UTF8.GetBytes(inputString);
byte[] hash = md5.ComputeHash(buffer);
StringBuilder sb = new StringBuilder(hash.Length * 2);
foreach (byte b in buffer)
  sb.Append(b.ToString("x2");
return sb.ToString();