C#

(Column: Description)
Shortcut: Unique key - type anything
Directory_: Key to a directory in the Directory table for your program group
Name: Name of the shortcut (i.e., title)
Component_: Key to a component in the Component table for which this shortcut is associated
Target: [SystemFolder]msiexec.exe
Arguments: /x [ProductCode]
Description: Description of the shortcut
Hotkey: Leave empty
Icon_: Key to an icon to use in the Icon table
IconIndex: 0-based index for icon if Icon_ points to an executable
ShowCmd: 1 for normal, 3 for maximized, 7 minimized/not active

public SomeInfo[] SomeArray = new SomeInfo[3];
for (int i=0; i<SomeArray.Length; i++)
  SomeArray[i] = new SomeArray();

public struct SomeInfo
{
  public SomeInfo(string value1, int value2, SomeClass value3)
  {
    this.Value1 = value1;
    this.Value2 = value2;
    this.Value3 = value3;
  }
  public string Value1;
  public int Value2;
  public SomeClass Value3;
}

string[] names = {"One", "Two", "Three"};
SomeClass theOneInstance = new SomeClass();
SomeInfo[] SomeArray = new SomeInfo[3];
for (int i=0; i<SomeArray.Length; i++)
  SomeArray[i] = new SomeInfo(names[i], i, theOneInstance);

private int age;
public int Age
{
  get { return this.age; }
  set
  {
    if (age < 18) throw new ArgumentException("You're too young!", "value");
    this.age = value;
  }
}

public struct MyRecord
{
  public string Name;
  public int Age;
  public TMyProc Proc;
}

public const int One = 1;
public const int Two = 2;
public const int Three = 3;
public void SomeMethod(int value)
{
  // Assuming non-contiquous values:
  if (value != 1 && value != 2 && value != 3)
    throw new ArgumentException("Invalid value.", "value");
  // Do stuff.
}

public enum MyEnum
{
  One = 1,
  Two, // increments to 2
  Three // increments to 3
}
public void SomeMethod(MyEnum value)
{
  if (!Enum.IsDefined(value.GetType(), value))
    throw new ArgumentException("Not defined.", "value");
  // Do stuff.
}