The Count property typically is used to determine the upper boundary index when iterating through objects in the collection. Because the collection indexes are zero-based, the first element is at index 0 and the last element is at index Count-1.
Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.