String TaskName or integer index to represent a task.
oNewSize
DateTime value representing the new finish time, or decimal value representing a percent of the current size or string value of the new duration.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2