Removes all elements from the list.
public virtual void Clear()
The Clear method removes all elements from the underlying list represented by the List property and sets the Count property to zero.
This method raises the ListChanged event.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2