Configurates C1.Web.Mvc.TreeView.ShowCheckboxes. Sets a value that determines whether the C1.Web.Mvc.TreeView control should add checkboxes to nodes and manage their state. This property can be used only on trees without lazy-loaded nodes(LazyLoadFunction is not set and IsLazyLoading is false).

'宣言
 
Public Function ShowCheckboxes( _
   ByVal value As System.Boolean _
) As TreeViewBuilder

public TreeViewBuilder ShowCheckboxes( 
   System.bool value
)