TreeViewComboBox

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.0.0.0)

• Control

  • ListControl

The TreeViewComboBox control represents a control with a as the drop down panel.

Constructors

TreeViewComboBox()

Initializes a new TreeViewComboBox control.

Properties

ImageIndex

: Returns or sets the image-list index value of the default image that is displayed by the tree nodes.

Throws:

• The specified index is less than -1.

ImageKey

: Returns or sets the key of the default image for each node in the control when it is in an unselected state.

ImageList

: Returns or sets the that contains the objects that are used by the tree nodes.

Nodes

: Returns the collection of tree nodes that are assigned to the tree view control.

PrefetchItems

: Returns or sets the number of items to prefetch outside of the visible area when is set to true. The default is 0 (disabled).

SelectedIndex

: Returns or sets the index of the currently selected item.

Throws:

• The specified index is less than -1; o the specified index is greater than the number of items in the combo box.

SelectedItem

: Returns or sets the selected node in the drop down control.

Text

: Returns or sets the text associated with this control.

TreeView

: Returns the control associated with this .

TreeViewNodeSorter

: Returns or sets the implementation of to perform a custom sort of the nodes.

VirtualScroll

: Enables or disables virtual scrolling for the . When virtual scrolling is enabled, only the visible nodes are rendered in the browser allowing the to host virtually unlimited nodes without any performance loss.

When is set to true, all the nodes must be of the same height, limiting the more flexible HTML rendering in the nodes available when is off (default). Setting the property to a value greater than 0 allows the virtual view to prefetch the specified number of items outside of the visible area to enable smoother scrolling.

Implements