The aboutToBeSwitchedFrom event signals that the notebook page no longer has the focus and the notebook is switching to another page.

The aboutToBeSwitchedTo event signals that the notebook page is about to become active and the notebook is switching to the page.

The aboutToCloseWidget event signals that the part is about to be closed.

If you need to perform any actions just before the window closes, connect the aboutToCloseWidget event of the Window part to an action in your part.

The aboutToOpenWidget event signals that the part is about to be opened. This event is signaled just before the part is displayed on the screen.

If you need to perform any actions just before the window opens, connect the aboutToOpenWidget event of the Window part to an action in your part.

The backgroundColor event signals the part that the background color has changed.

The borderWidth event signals the part that the width of the border, specified in pixels, has changed.

The buttonFontName event indicates a change in the font used for the buttons in the part.

The closedWidget event signals that the part has been closed.

The configuredWidget event signals that the part has been moved or resized.

The destroyedPart event signals that the part and its children have been destroyed. Any system resources associated with the destroyed parts have been released.

For more information on the dragDropSpec event, refer to ***.

The enabled event signals that the part is available for selection.

The foregroundColor event signals the part the name of the RGB color, to use, for the foreground of the part.

A fractionBase event signals the denominator used in the fraction to calculate the percentage for the proportional spacing has changed. The default value is 100.

The helpRequested event signals that help has been requested. You can connect the helpRequested event to an action that displays your own help, such as a message box. If the action you connect this event to does not return nil, default help processing occurs, using the specified help file and help topic.

The hoverHelpRemoved event indicates that hover help has been removed from the part or one of its children. You can use this event to signal when to remove hover help information in an information area. This event is only signaled if the part has hoverHelpEnabled set to true.

This event passes a parameter, whose class is AbtEwIconHoverHelpCallbackData. The parameter has the following attributes for specifying settings for the hover help:

Specifies the hover area that contains the item under the mouse pointer

Specifies whether or not the hover help is shown

Specifies the item under the mouse pointer

Specifies the hover help string to display, if any. If the item under the pointer is a graphic push button, the default hover help string is the item's labelString attribute. Otherwise, the default value is nil. A value of nil causes no hover help to be displayed.

Specifies the location of the mouse pointer relative to the screen.

The hoverHelpRequested event indicates that hover help is about to be displayed over the part or one of its children. You can use this event to signal when to display hover help information in an information area. This event is only signaled if the part has hoverHelpEnabled set to true.

This event passes a parameter, whose class is AbtEwIconHoverHelpCallbackData. The parameter has the following attributes for specifying settings for the hover help:

Specifies the hover area that contains the item under the mouse pointer

Specifies whether or not the hover help is shown

Specifies the item under the mouse pointer

Specifies the hover help string to display, if any. If the item under the pointer is a graphic push button, the default hover help string is the item's labelString attribute. Otherwise, the default value is nil. A value of nil causes no hover help to be displayed.

Specifies the location of the mouse pointer relative to the screen.

A horizontalSpacing event signals a change in horizontal space between the part and its children. The default is 0.

A hoverHelpEnabled event signals the part to provide hover help for the part and all of its children.

A labelFontName event indicates a change in the font used for the labels of the part.

The marginHeight event sends a signal to the part that the amount of vertical space between the part and its children has changed.

A marginWidth event indicates a change in the amount of horizontal space between the part and its children that are not attached.

A menu event signals that a change in which menu part to use, as the parts menu bar or pop-up menu, has occurred.

The openedWidget event signals that the part has been opened and displayed on the screen.

A pageLabel event signals a change in the text utilized for the label of the notebook page.

The popUpMenuRequest event signals that the pop-up menu for the part has been requested.

If the menu attribute is connected to a Menu part, that menu part is displayed unless you change the menu attribute as a result of this event. You can change the menu attribute to include your own menu or leave it unchanged to use the original setting.

A resizePolicy event signals a change in how the part is to be sized as children are added, removed, and otherwise manipulated in the part.

A rubberPositioning event indicates that a change in whether child parts have their positions converted to proportional attachments has occurred. If rubberPositioning is set to true, all children parts with no attachments on their top, bottom, left, or right, have their initial top and left positions converted to proportional attachments. If rubberPositioning is set to false, then the initial top and left positions are attached to the parent.

A self event indicates that the value of the target part itself has changed.

A tabBackgroundColor event indicates that the RGB color for the background of the tab has changed.

A tabGroup event signals the part that it is included as a tab stop and can be accessed via the Tab or Backtab keys

A tabLabel event indicates that the string of characters you want to use as the label for the tab of the notebook has changed.

A tabType event signals that the tab status has changed. Possible values are:

The traversalOn property specifies whether users can access the part using the cursor movement keys. If the part is specified as a tab stop by using the tabGroup property, users also can use the Tab and Backtab keys to access the part.

A userData event signals a change in the user-defined data.

A verticalSpacing event indicates the amount of vertical space between the part and it's children has changed.