ActivateItem(T,MouseButton) Method
Activates (double-clicks) the specified item in this list.
C# Syntax
void ActivateItem( 
   T item,
   MouseButton button
)

Parameters

item
The specified item to activate from this list.
button
Optional. The mouse button used to activate the item. Possible values: HP.LFT.SDK.MouseButton Default value: MouseButton.Left