FileSystem.getFileSizeAsync() This page was last modified over 30 day(s) ago and has 0 comment(s)

Back to FileSystem Class Summary

Availability
Windows, Mac OSX, Linux

Usage
mdm.FileSystem.getFileSizeAsync(pathToFile:String):void

Parameters
pathToFile:String - Path of file to check

Returns
Nothing

Description
Asynchronously returns the size of the specified file in bytes. Once operation completes either "onResult" or "onIOError" events are delivered to registered listener(s) (or called via assigned handler(s): see notes below). The "onResult" event would have result property available as:
var fileSize:int = event.data.result;

Notes
There are two ways to listen for events in 4.0:
#1
using "onEventNameFunction" - callback based handlers introduced in {mdm} 2.0
#2
using IEventListener model based on Events introduced in 4.0.

No matter what implementation you would use either callback and listener handler would have to use single-argument defintion as in below sample:
// callback based handlers
mdm.Appllication.onAppChangeFocus = function(event:Event):void
{
// proceed with event
};

// handlers based on IEventListener model
function onAppChangeFocusHandler(event:Event):void
{
// proceed with event
};

Example Code
// callback version
mdm.FileSystem.onResult = function(event:mdm.Event):void
{
// operation completed/finished
var fileSize:int = event.data.result as int;
};
mdm.FileSystem.onIOError = function(event:Event):void
{
// operation failed
};
mdm.FileSystem.getFileSizeAsync(path);

// event-listener implementation
function onResultHandler(event:mdm.Event):void
{
// operation completed/finished
var fileSize:int = event.data.result as int;
};
function onIOErrorHandler(event:Event):void
{
// operation failed
};
mdm.FileSystem.addEventListener("onResult", onResultHandler);
mdm.FileSystem.addEventListener("onIOError", onIOErrorHandler);
mdm.FileSystem.getFileSizeAsync(path);

mdm.FileSystem Class Example Downloads
No Example Downloads Available


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