ComponentArt TreeView provides extensive support for node checkboxes;; The TreeViewNode object has ShowCheckbox New Haven and Checked Buy Flowers & Gifts from properties;; Client-side event. The first event to handle is called ItemDrag. This event is raised from the source Treeview control as soon as the

user starts to drag a tree node.. Finally, here's how the form's OnShow and the Treeview's OnChanging events could look like if you wanted to prevent collapsing of the treeview's nodes:. = true; } Adds the relevant onclick

handlers for the nodes in the tree view function { var tree = document.. Event is now a requirement for the widget * no longer expands and collapses