# TreeView.IHandler interface

Namespace: [Eto.Forms](https://eto.picoe.ca/api/namespace/eto.forms.md) · Assembly: [Eto](https://eto.picoe.ca/api/assembly/eto.md)

```cs
public interface TreeView.IHandler : Control.IHandler, IContextMenuHost
```

Handler interface for [TreeView](https://eto.picoe.ca/api/type/eto.forms.treeview.md)

**Derived types:** [ThemedTreeViewHandler](https://eto.picoe.ca/api/type/eto.forms.themedcontrols.themedtreeviewhandler.md)

## Properties

- [DataStore](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/datastore.md): Gets or sets the data store.
- [LabelEdit](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/labeledit.md): Gets or sets a value indicating whether users can edit the labels of items
- [SelectedItem](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/selecteditem.md): Gets or sets the selected item.
- [TextColor](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/textcolor.md): Gets or sets the color of the text for all nodes.

## Methods

- [GetNodeAt](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/getnodeat.md): Gets the node at a specified point from the origin of the control
- [RefreshData](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/refreshdata.md): Refreshes the data, keeping the selection
- [RefreshItem](https://eto.picoe.ca/api/type/eto.forms.treeview.ihandler/refreshitem.md): Refreshes the specified item and all its children, keeping the selection if not part of the refreshed nodes

## Inherited Members

- From [Control.IHandler](https://eto.picoe.ca/api/type/eto.forms.control.ihandler.md): [AllowDrop](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/allowdrop.md), [BackgroundColor](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/backgroundcolor.md), [Cursor](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/cursor.md), [Enabled](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/enabled.md), [HasFocus](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/hasfocus.md), [Height](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/height.md), [IsMouseCaptured](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/ismousecaptured.md), [Location](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/location.md), [Size](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/size.md), [SupportedPlatformCommands](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/supportedplatformcommands.md), [TabIndex](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/tabindex.md), [TabStop](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/tabstop.md), [ToolTip](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/tooltip.md), [Visible](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/visible.md), [VisualControls](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/visualcontrols.md), [Width](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/width.md), [AddGesture](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/addgesture.md), [CaptureMouse](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/capturemouse.md), [ClearGestures](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/cleargestures.md), [DoDragDrop](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/dodragdrop.md), [Focus](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/focus.md), [GetNativeParentWindow](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/getnativeparentwindow.md), [GetPreferredSize](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/getpreferredsize.md), [Invalidate](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/invalidate.md), [MapPlatformCommand](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/mapplatformcommand.md), [OnLoad](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onload.md), [OnLoadComplete](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onloadcomplete.md), [OnPreLoad](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onpreload.md), [OnUnLoad](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onunload.md), [PointFromScreen](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/pointfromscreen.md), [PointToScreen](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/pointtoscreen.md), [ReleaseMouseCapture](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/releasemousecapture.md), [RemoveGesture](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/removegesture.md), [ResumeLayout](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/resumelayout.md), [SetParent](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/setparent.md), [SuspendLayout](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/suspendlayout.md), [UpdateLayout](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/updatelayout.md)
- From [IContextMenuHost](https://eto.picoe.ca/api/type/eto.forms.icontextmenuhost.md): [ContextMenu](https://eto.picoe.ca/api/type/eto.forms.icontextmenuhost/contextmenu.md)
- From [Widget.IHandler](https://eto.picoe.ca/api/type/eto.widget.ihandler.md): [ID](https://eto.picoe.ca/api/type/eto.widget.ihandler/id.md), [NativeHandle](https://eto.picoe.ca/api/type/eto.widget.ihandler/nativehandle.md), [Widget](https://eto.picoe.ca/api/type/eto.widget.ihandler/widget.md), [HandleEvent](https://eto.picoe.ca/api/type/eto.widget.ihandler/handleevent.md), [Initialize](https://eto.picoe.ca/api/type/eto.widget.ihandler/initialize.md), [UnhandleEvent](https://eto.picoe.ca/api/type/eto.widget.ihandler/unhandleevent.md)