Movieclip._Lockroot - MACROMEDIA FLASH MX 2004-ACTIONSCRIPT LANGUAGE Reference

MovieClip._lockroot

Availability
Flash Player 7.
Usage
my_mc._lockroot:Boolean
Description
Property; specifies what
property is
_lockroot
is being loaded or in the handler that is loading the movie clip.
For example, suppose you have a document called Games.fla that lets a user choose a game to
play, and loads the game (for example, Chess.swf ) into the
sure that, if
_root
Games.swf. If you have access to Chess.fla and publish it to Flash Player 7 or later, you can add
this statement to Chess.fla on the main Timeline:
this._lockroot = true;
If you don't have access to Chess.fla (for example, if you are loading Chess.swf from someone
else's site into
chess_mc
In this case, Chess.swf can be published for any version of Flash Player, as long as Games.swf is
published for Flash Player 7 or later. Place the following ActionScript on the main Timeline:
chess_mc._lockroot = true;
When calling
loadMovie()
movie, as shown in the following code. If you don't set
the loader has access only to its own library, but not the library in the loaded movie:
myMovieClip._lockroot = true;
Example
In the following example, lockroot.fla has
into another FLA document,
prevent conflicts. Place the following ActionScript on the main Timeline of lockroot.fla.
this._lockroot = true;
_root.myVar = 1;
_root.myOtherVar = 2;
trace("from lockroot.swf");
for (i in _root) {
trace(" "+i+" -> "+_root[i]);
}
trace("");
Which traces the following information:
from lockroot.swf
myOtherVar -> 2
myVar -> 1
_root refers to when a SWF file is loaded into a movie clip. The
by default. You can set this property within the SWF file that
undefined
is used in Chess.swf, it still refers to
), you can set its
, set the
MovieClip._lockroot
will always refer to the scope of lockroot.swf, which helps
_root
game_mc
in Chess.swf after being loaded into
_root
property when you load it, as shown below.
_lockroot
property to
_lockroot
applied to the main SWF file. If it is loaded
_lockroot
movie clip. You want to make
in the loader
true
to in the loader movie,
true
MovieClip._lockroot 543