DxTreeView Members
A navigation control that displays items as a tree.Constructors
| Name | Description |
|---|---|
| DxTreeView() | Initializes a new instance of the DxTreeView class. |
Properties
| Name | Description |
|---|---|
| AllowSelectNodes | Specifies whether or not nodes can be selected. |
| AnimationType | Specifies the animation type. |
| CheckAllText | Specifies the label of the Check All box. |
| CheckAllVisible | Specifies whether the Check All box is visible. |
| CheckMode | Specifies the check mode. |
| CheckNodeByClick | Specifies whether users can click nodes to check and uncheck them. |
| ChildrenExpression | Obsolete. Specifies an expression that returns a node’s children. |
| CollapseButtonIconCssClass | Specify a CSS class for the collapse button’s icon. |
| CssClass | Specifies the name of the component’s CSS class. Inherited from DxComponentBase. |
| CustomFilter | Allows you to implement custom filter logic. |
| Data | Specifies a data source. |
| DataMappings | Specifies data mappings. |
| Enabled | Specifies whether the navigation component is enabled. Inherited from DxNavigationControlComponent<JSProxyType, TModel>. |
| ExpandButtonIconCssClass | Specify a CSS class for the expand button’s icon. |
| FilterMinLength | Specifies the minimum number of characters a user must type in the search box to apply the filter. |
| FilterMode | Specifies how the component displays filtered nodes. |
| FilterNullText | Specifies the filter panel’s prompt text. |
| FilterString | Specifies the filter criteria used to filter the component’s nodes. |
| HasChildrenExpression | Obsolete. A lambda expression that specifies whether the data item has child items. |
| IconCssClassExpression | Obsolete. Specifies an expression that returns the name of a CSS class applied to a node’s icon. |
| Id | Specifies the component’s unique identifier. Inherited from DxComponentBase. |
| LoadChildNodesOnDemand | Specifies whether TreeView child nodes are loaded on demand. |
| NameExpression | Obsolete. Specifies an expression that returns a node’s name. |
| NavigateUrlExpression | Obsolete. Specifies an expression that returns a node’s target URL. |
| NodeExpandCollapseAction | Specifies user actions that expand or collapse a node. |
| Nodes | Provides access to the component node collection. |
| NodeTemplate | Specifies the common template used to display all nodes. |
| NodeTextTemplate | Specifies the common template for the text in the TreeView node labels. |
| ShowExpandButtons | Specifies whether expand buttons are visible. |
| ShowFilterPanel | Specifies whether the TreeView displays the filter panel. |
| SizeMode | Specifies the size of the component’s inner elements. Affects the component’s size as well. |
| Target | Specifies the target attribute’s value for all nodes. |
| TextExpression | Obsolete. Specifies an expression that returns a node’s text. |
| TextWrapEnabled | Specifies whether word wrap is enabled. |
| UrlMatchMode | Specifies whether the TreeView can automatically expand to the node and select it if the DxTreeViewNode.NavigateUrl property value points to the active web page. |
| Visible | Specifies the navigation or layout component’s visibility. Inherited from DxNavigationControlComponent<JSProxyType, TModel>. |
Methods
| Name | Description |
|---|---|
| CheckAll() | Checks all nodes in the TreeView. |
| ClearCheck() | Unchecks all nodes. |
| ClearSelection() | Clears node selection. |
| CollapseAll() | Collapses all nodes in the DxTreeView. |
| Equals(Object, Object) static | Determines whether the specified object instances are considered equal. Inherited from Object. |
| Equals(Object) | Determines whether the specified object is equal to the current object. Inherited from Object. |
| ExpandAll() | Expands all nodes in the DxTreeView. |
| ExpandToNode(Func<ITreeViewNodeInfo, Boolean>) | Expands the nodes down to the specified node. |
| GetCheckedNodeInfo() | Returns a collection of currently checked nodes. |
| GetHashCode() | Serves as the default hash function. Inherited from Object. |
| GetNodeExpanded(Func<ITreeViewNodeInfo, Boolean>) | Returns whether the specified node is expanded. |
| GetNodeInfo(Func<ITreeViewNodeInfo, Boolean>) | Returns information about the specified node. |
| GetNodesInfo(Func<ITreeViewNodeInfo, Boolean>) | Returns information about the specified nodes. |
| GetSelectedNodeInfo() | Returns information about the selected node. |
| GetType() | Gets the Type of the current instance. Inherited from Object. |
| MemberwiseClone() protected | Creates a shallow copy of the current Object. Inherited from Object. |
| ReferenceEquals(Object, Object) static | Determines whether the specified Object instances are the same instance. Inherited from Object. |
| SelectNode(Func<ITreeViewNodeInfo, Boolean>) | Selects the specified node. |
| SetNodeChecked(Func<ITreeViewNodeInfo, Boolean>, Boolean) | Checks or unchecks the specified node. |
| SetNodeExpanded(Func<ITreeViewNodeInfo, Boolean>, Boolean) | Expands or collapses the specified node. |
| SetNodesChecked(Func<ITreeViewNodeInfo, Boolean>, Boolean) | Checks or unchecks the specified nodes. |
| ToString() | Returns a string that represents the current object. Inherited from Object. |
Events
| Name | Description |
|---|---|
| AfterCollapse | Fires after a node has been collapsed. |
| AfterExpand | Fires after a node has been expanded. |
| BeforeCollapse | Fires when a node is about to be collapsed and allows you to cancel the action. |
| BeforeExpand | Fires when a node is about to be expanded and allows you to cancel the action. |
| CheckedChanged | Fires when a node’s checked state changes. |
| FilterStringChanged | Fires when a component’s filter string changes. |
| NodeClick | Fires when a user clicks a TreeView node. |
| SelectionChanged | Fires after node selection has been changed. |
See Also