Specifies the scrolling speed when mouse wheel is used.

Property Value

A String value. The default is 'normal', stating that current view of the TreeView is scrolled by few items.

Remarks

The following values are acceptable:

• veryslow - the current view is scrolled item by item
• slow - the current view is scrolled by two items
• normal - the current view is scrolled by quarter of tree height
• fast - the current view is scrolled by half of tree height
• veryfast - the current view is scrolled by whole tree height