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dhtmlxlayout

# Events

The following events are available in dhtmlxLayout:

- onDock/onUndock - occurs when the user clicks the left mouse button on item's button “Dock”/“Undock”
- ResizeFinish - occurs when a user finishes layout resizing
- onPanelResizeFinish - occurs when a user finishes resizing an item
- onExpand - occurs when an item is being expanded;
- onCollapse - occurs when an item is being collapsed.
- onDblClick - occurs when an item's header is double-clicked

Event names are case-insensitive.

## Adding event

If you need to attach event to an application, use the attachEvent() method with the following parameters:

- evName - the name of an event;
- evHandler - the user-defined event handler.

    dhxLayout.attachEvent(evName, evHandler);