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    Class MarkerAction

    Base class for a marker action. Inherit from this class to make an action that would react on selected markers after a menu click and/or a key shortcut.

    Inheritance
    object
    MarkerAction
    Inherited Members
    object.Equals(object)
    object.Equals(object, object)
    object.GetHashCode()
    object.GetType()
    object.MemberwiseClone()
    object.ReferenceEquals(object, object)
    object.ToString()
    Namespace: UnityEditor.Timeline.Actions
    Assembly: Unity.Timeline.Editor.dll
    Syntax
    [ActiveInMode(TimelineModes.Default)]
    public abstract class MarkerAction
    Remarks

    To add an action as a menu item in the Timeline context menu, add MenuEntryAttribute on the action class. To make an action to react to a shortcut, use the Shortcut Manager API with TimelineShortcutAttribute.

    Examples

    Simple track Action example (with context menu and shortcut support).

    [MenuEntry("Custom Actions/Sample marker Action")]
    public class SampleMarkerAction : MarkerAction
    {
        public override ActionValidity Validate(IEnumerable<IMarker> markers)
        {
            return ActionValidity.Valid;
        }
    
    public override bool Execute(IEnumerable<IMarker> items)
    {
        Debug.Log("Test Action");
        return true;
    }
    
    [TimelineShortcut("SampleMarkerAction", KeyCode.L)]
    public static void HandleShortCut(ShortcutArguments args)
    {
        Invoker.InvokeWithSelectedMarkers<SampleMarkerAction>();
    }
    

    }

    Methods

    Execute(IEnumerable<IMarker>)

    Execute the action.

    Declaration
    public abstract bool Execute(IEnumerable<IMarker> markers)
    Parameters
    Type Name Description
    IEnumerable<IMarker> markers

    Markers that will be used for the action.

    Returns
    Type Description
    bool

    true if the action has been executed. false otherwise

    See Also
    ShortcutAttribute

    Validate(IEnumerable<IMarker>)

    Defines the validity of an Action for a given set of markers.

    Declaration
    public abstract ActionValidity Validate(IEnumerable<IMarker> markers)
    Parameters
    Type Name Description
    IEnumerable<IMarker> markers

    Markers that will be used for the action.

    Returns
    Type Description
    ActionValidity

    The validity of the set of markers.

    See Also
    ShortcutAttribute

    See Also

    ShortcutAttribute
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