selected

When true, this item is selected. Multiple items can be selected at the same time. Set to true to select the item programmatically, or to false to deselect

expressionError

Contains the error, if any, generated by evaluation of the string most recently set in expression.If no expression string has been specified, or if the last

setSavePreferencesOnQuit()

Set or clears the flag that determines whether preferences are saved when the application is closed.doSave When true, preferences saved on quit, when false

setValuesAtTimes()

Sets values for a set of keyframes at specified of times. Creates a new keyframe for the named property, if one does not currently exist for a specified tim

postRenderAction

An action to be performed when the render operation is completed.A PostRenderAction enumerated value read/write ; one of:postRenderAction.NONEpostRenderActi

renderer

The current rendering plug-in module to be used to render this composition, as set in the Advanced tab of the Composition Settings dialog box. Allowed value

MarkerValue object

The MarkerValue object represents a layer marker, which associates a comment, and optionally a chapter reference point, Web-page link, or Flash Video cue po

isSeparationFollower

When true, the property represents one of the separated dimensions for a multidimensional property. For example, the X Position property has this attribute

frameDuration

Returns the lengthof a frame for this AVItem, in seconds. This is the reciprocal of frameRate. When set, the reciprocal is automatically set as a new frameR

canSetEnabled

When true, you can set the enabled attribute value. Generally, this is true if the user interface displays an eyeball icon for this property; it is true for