# GeoExt

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# `GeoExt.tree.LayerContainer`

Extends
  - Ext.tree.AsyncTreeNode

class `GeoExt.tree.``LayerContainer`

  A subclass of `Ext.tree.AsyncTreeNode` that will collect all layers of an OpenLayers map. Only layers that have displayInLayerSwitcher set to true will be included. The childrens’ iconCls defaults to “gx-tree-layer-icon”.

  Note: if this container is loaded by an `Ext.tree.TreeLoader`, the `applyLoader` config option of that loader needs to be set to “false”. Also note that the list of available uiProviders will be taken from the ownerTree if this container’s loader is configured without one.

  To use this node type in `TreePanel` config, set nodeType to “gx_layercontainer”.

## Config Options

Configuration properties in addition to those listed for Ext.tree.AsyncTreeNode.

`layerStore`
  `GeoExt.data.LayerStore` The layer store containing layers to be displayed in the container. If loader is not provided or provided as `Object`, this property will be set as the store option of the loader. Otherwise it will be ignored.

`loader`
  `GeoExt.tree.LayerLoader` or `Object` The loader to use with this container. If an `Object` is provided, a `GeoExt.tree.LayerLoader`, configured with the the properties from the provided object, will be created.

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