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MACROMEDIA FLASH MX 2004 - ACTIONSCRIPT - Page 779

MACROMEDIA FLASH MX 2004 - ACTIONSCRIPT
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XMLSocket.onData() 779
Example
The following example illustrates the process of specifying a replacement function for the
onConnect method in a simple chat application.
The function controls which screen users are taken to, depending on whether a connection is
successfully established. If the connection is successfully made, users are taken to the main chat
screen on the frame labeled
startChat. If the connection is not successful, users go to a screen
with troubleshooting information on the frame labeled
connectionFailed.
function myOnConnect(success) {
if (success) {
gotoAndPlay("startChat")
} else {
gotoAndStop("connectionFailed")
}
}
After creating the XMLSocket object using the constructor method, the script installs the
onConnect method using the assignment operator:
socket = new XMLSocket();
socket.onConnect = myOnConnect;
Finally, the connection is initiated. If connect() returns false, the SWF file is sent directly to
the frame labeled
connectionFailed, and onConnect is never invoked. If connect() returns
true, the SWF file jumps to a frame labeled waitForConnection, which is the “Please wait”
screen. The SWF file remains on the
waitForConnection frame until the onConnect handler is
invoked, which happens at some point in the future depending on network latency.
if (!socket.connect(null, 2000)) {
gotoAndStop("connectionFailed")
} else {
gotoAndStop("waitForConnection")
}
See also
function
, XMLSocket.connect()
XMLSocket.onData()
Availability
Flash Player 5.
Usage
XMLSocket.onData = function(src) {
// your statements here
}
Parameters
src
A string containing the data sent by the server.
Returns
Nothing.

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