frame.setMotionObjectDuration()

#### Availability

Flash Professional CS5.

#### Usage

Frame.setMotionObjectDuration( duration [, stretchExistingKeyframes] )

#### Parameters

duration Specifies the number of frames for the tween span of the selected motion object.

stretchExistingKeyframes A boolean value that determines whether the tween span is stretched, or if frames are added, to the end of the last frame.

#### Description

Method; sets the duration (the tween span length) of the currently selected motion object.

#### Example

javascript
The following example specifies a duration of 11 frames for the selected motion object.
var doc = fl.getDocumentDOM(); var my_tl = doc.getTimeline();

this.getCurrentFrame = function(){

var layer = my_tl.layers[my_tl.currentLayer]; 

var frame = layer.frames[my_tl.currentFrame]; 

return frame;

}

var theFrame = getCurrentFrame(); 

if(theFrame.isMotionObject()){ 

    theFrame.setMotionObjectDuration(11);

}else{

fl.trace("It isn't motion");

}