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CHAPTER 4: User-Interface Tools Window object 121

removeEventListener()

windowObj.removeEventListener (eventName, handler[, capturePhase]);

eventName

The event name string.

handler

The function that was registered to handle the event.

capturePhase

Optional. Whether the handler was to respond only in the capture phase.

Unregisters an event handler for a particular type of event occurring in this window. All arguments

must be identical to those that were used to register the event handler.

Returns

undefined.

show()

windowObj.show()

Shows this window, container, or control. If an onShow callback is defined for a window, calls that

function before showing the window.

When a window or container is hidden, its children are also hidden, but when it is shown again, the

children retain their own visibility states.

For a modal dialog, opens the dialog and does not return until the dialog is dismissed. If it is

dismissed via the close()

method, this method returns any result value passed to that method.

Otherwise, returns 0.

update()

windowObj.update()

Allows a script to run a long operation (such as copying a large file) and update UI elements to show

the status of the operation.

Normally, drawing updates to UI elements occur during idle periods, when the application is not

doing anything and the OS event queue is being processed, but during a long scripted operation,

the normal event loop is not running. Use this method to perform the necessary synchronous

drawing updates, and also process certain mouse and keyboard events in order to allow a user to

cancel the current operation (by clicking a Cancel button, for instance).

During the

update() operation, the application is put into a modal state, so that it does not handle

any events that would activate a different window, or give focus to a control outside the window

being updated. The modal state allows drawing events for controls in other windows to occur (as is

the case during a modal

show() operation), so that the script does not prevent the update of other

parts of the application's UI while in the operation loop.

It is an error to call the

update() method for a window that is not currently visible.

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EDOBE XDOM TAKE 6 IR - PRODUCTSHEET Especificaciones Pagina 121