Eclipse Platform
Release 4.2

org.eclipse.swt.widgets
Class Tray

java.lang.Object
  extended by org.eclipse.swt.widgets.Widget
      extended by org.eclipse.swt.widgets.Tray

public class Tray
extends Widget

Instances of this class represent the system tray that is part of the task bar status area on some operating systems.

Styles:
(none)
Events:
(none)

IMPORTANT: This class is not intended to be subclassed.

Since:
3.0
See Also:
Display.getSystemTray(), Tray, TrayItem snippets, Sample code and further information
Restriction:
This class is not intended to be subclassed by clients.

Method Summary
 TrayItem getItem(int index)
          Returns the item at the given, zero-relative index in the receiver.
 int getItemCount()
          Returns the number of items contained in the receiver.
 TrayItem[] getItems()
          Returns an array of TrayItems which are the items in the receiver.
 
Methods inherited from class org.eclipse.swt.widgets.Widget
addDisposeListener, addListener, checkSubclass, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Method Detail

getItem

public TrayItem getItem(int index)
Returns the item at the given, zero-relative index in the receiver. Throws an exception if the index is out of range.

Parameters:
index - the index of the item to return
Returns:
the item at the given index
Throws:
IllegalArgumentException -
  • ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)
SWTException -
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

getItemCount

public int getItemCount()
Returns the number of items contained in the receiver.

Returns:
the number of items
Throws:
SWTException -
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

getItems

public TrayItem[] getItems()
Returns an array of TrayItems which are the items in the receiver.

Note: This is not the actual structure used by the receiver to maintain its list of items, so modifying the array will not affect the receiver.

Returns:
the items in the receiver
Throws:
SWTException -
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

Eclipse Platform
Release 4.2

Guidelines for using Eclipse APIs.

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