MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY Especificaciones descargar pdf (Pagina 223)

Parameters

connectionName A string that corresponds to the connection name specified in the

LocalConnection.send command that wants to communicate with receivingLC.

Returns

A Boolean value of true if no other process running on the same client machine has already

issued this command using the same value for connectionName, false otherwise.

Description

Method; prepares a LocalConnection object to receive commands from a

LocalConnection.send command (called the sending LocalConnection object). The object used

with this command is called the receiving LocalConnection object. The receiving and sending

objects must be running on the same client machine.

Be sure to define the methods attached to

receivingLC before issuing this command, as shown

in all the examples in this section.

By default, the Flash Player resolves

connectionName into a value of

"subdomain:connectionName", where subdomain is the subdomain of the movie containing the

LocalConnection.connect command. For example, if the movie containing the receiving

LocalConnection object is located at www.someDomain.com,

connectionName resolves to

"someDomain.com:connectionName". (If a movie is located on the client machine, the value

assigned to

subdomain is "localhost".)

Also by default, the Flash Player lets the receiving LocalConnection object accept commands only

from sending LocalConnection objects whose connection name also resolves into a value of

"subdomain:connectionName". In this way, Flash makes it very simple for movies located in the

same domain to communicate with each other.

If you are implementing communication only between movies in the same domain, specify a

string for

connectionName that does not begin with an underscore (_) and that does not specify a

domain name (for example,

"myDomain:connectionName"). Use the same string in the

LocalConnection.connect(connectionName) command.

If you are implementing communication between movies located in different domains,

see the discussion of

connectionName in LocalConnection.send, and also the

LocalConnection.allowDomain and LocalConnection.domain entries.

Example

The following example shows how a movie in a particular domain can invoke a method named

Trace in a receiving movie in the same domain. The receiving movie functions as a trace window

for the sending movies; it contains two methods that other movies can call—

Trace and Clear.

Buttons pressed in the sending movies call these methods with specified parameters.

// receiving movie

var aLocalConnection = new LocalConnection();

aLocalConnection.Trace = function(aString)

{

aTextField = aTextField + aString + newline;

}

aLocalConnection.Clear = function()

{

aTextField = "";

}

aLocalConnection.connect("trace");

stop();

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