Adobe Extending Flash Professional CS4 - Manual (Page 62)

40 EXTENDING FLASH CS4 PROFESSIONAL
BitmapItem object
Example
Assuming the first item in the Library is a bitmap item, the following code displays "true" if the file that was imported
into the Library still exists.
var libItem = fl.getDocumentDOM().library.items[0];
fl.trace("sourceFileExists = "+ libItem.sourceFileExists);
See also
bitmapItem.sourceFileIsCurrent ,
bitmapItem.sourceFilePath
bitmapItem.sourceFileIsCurrent
Availability
Flash CS4 Professional.
Usage
bitmapItem.sourceFileIsCurrent
Description
Read-only property; a Boolean value of
true if the file modification date of the Library item is the same as the
modification date on disk of the file that was imported ; false otherwise.
Example
Assuming the first item in the Library is a bitmap item, the following code displays "true" if the file that was imported
has not been modified on disk since it was imported:
var libItem = fl.getDocumentDOM().library.items[0];
fl.trace("fileIsCurrent = "+ libItem.sourceFileIsCurrent);
See also
bitmapItem.fileLastModifiedDate , bitmapItem.sourceFilePath
bitmapItem.sourceFilePath
Availability
Flash CS4 Professional.
Usage
bitmapItem.sourceFilePath