User Guide
ComboBox component 185
Properties inherited from the UIComponent class
The following table lists the properties the ComboBox class inherits from the UIComponent
class. When accessing these properties from the ComboBox object, use the form
comboBoxInstance.propertyName.
Event summary for the ComboBox class
The following table lists events of the ComboBox class.
Events inherited from the UIObject class
The following table lists the events the ComboBox class inherits from the UIObject class.
UIObject.top The position of the top edge of the object, relative to its parent.
Read-only.
UIObject.visible A Boolean value indicating whether the object is visible (true) or
not (
false).
UIObject.width The width of the object, in pixels. Read-only.
UIObject.x The left edge of the object, in pixels. Read-only.
UIObject.y The top edge of the object, in pixels. Read-only.
Property Description
UIComponent.enabled Indicates whether the component can receive focus and input.
UIComponent.tabIndex A number indicating the tab order for a component in a document.
Event Description
ComboBox.change Broadcast when the value of the combo box changes as a result of
user interaction.
ComboBox.close Broadcast when the list of the combo box begins to retract.
ComboBox.enter Broadcast when the Enter key is pressed.
ComboBox.itemRollOut Broadcast when the pointer rolls off a drop-down list item.
ComboBox.itemRollOver Broadcast when a drop-down list item is rolled over.
ComboBox.open Broadcast when the drop-down list begins to open.
ComboBox.scroll Broadcast when the drop-down list is scrolled.
Event Description
UIObject.draw Broadcast when an object is about to draw its graphics.
UIObject.hide Broadcast when an object’s state changes from visible to invisible.
UIObject.load Broadcast when subobjects are being created.
UIObject.move Broadcast when the object has moved.
Property Description