com.vaadin.flow.component.AttachEvent API 22.2.2 | Vaadin

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com.vaadin.flow.component.

java.lang.Object
- java.util.EventObject
- - com.vaadin.flow.component.ComponentEvent<Component>
  - - com.vaadin.flow.component.internal.AbstractAttachDetachEvent
    - - com.vaadin.flow.component.AttachEvent

All Implemented Interfaces:

Serializable
```
public class AttachEvent
extends AbstractAttachDetachEvent
```
Event fired after a Component is attached to the UI.
When a hierarchy of components is being attached, this event is fired child-first.

Since:

1.0

See Also:

Serialized Form

- Field Summary
  - Fields inherited from class java.util.EventObject
    source
- Constructor Summary
  
  Constructors
  Constructor and Description
  
  AttachEvent(Component source, boolean initialAttach)
  Creates a new attach event with the given component as source.
- Method Summary
  
  All Methods
  Modifier and Type Method and Description
  
  boolean isInitialAttach()
  Checks whether this is the first time the component has been attached.
  - Methods inherited from class com.vaadin.flow.component.internal.AbstractAttachDetachEvent
    getSession, getUI
  - Methods inherited from class com.vaadin.flow.component.ComponentEvent
    getSource, isFromClient, unregisterListener
  - Methods inherited from class java.util.EventObject
    toString
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - AttachEvent
```
public AttachEvent(Component source,
                   boolean initialAttach)
```
    Creates a new attach event with the given component as source.
    
    Parameters:
    
    source - the component that was attached
    
    initialAttach - indicates whether this is the first time the component (element) has been attached
- Method Detail
  - isInitialAttach
```
public boolean isInitialAttach()
```
    Checks whether this is the first time the component has been attached.
    
    Returns:
    
    true if this it the first time the component has been attached, false otherwise