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CFPropertyListWriteToStream and NSDictionary

I am ready to write my NSMutableDictionary to a stream (file) using CFPropertyListWriteToStream. However, no matter what I do, the file is created but no data is written to it.

The docs say that an NSDictionary can be passed in the CFPropertyListRef param of CFPropertyListWriteToStream, which is what I am doing. However, I still can't get a valid .plist file.

Do I need to do something to the NSDictionary data such as serializing it before I write it out?

Here is my code:

streamFileURL = CFURLCreateFromFileSystemRepresentation( kCFAllocatorDefault, (const UInt8*)"/Users/mike/test.plist", strlen( (char*)"/Users/mike/test.plist" ), false );

if( streamFileURL )
{
stream = CFWriteStreamCreateWithFile( kCFAllocatorDefault, streamFileURL );
if( stream )
{
opened = CFWriteStreamOpen( stream );
if( opened )
{
result = CFPropertyListWriteToStream( (CFPropertyListRef)loadedDockPlistDictMutable,
stream,
kCFPropertyListXMLFormat_v1_0,
NULL);
CFWriteStreamClose( stream );


Thanks,

Mike
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