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Creating alias to app for PDFService

Hi,

I'm trying to get my app to install itself as a PDF Service. Although I manage to create the PDFService directory if it doesn't yet exist, I can't get the alias to be created. The code I've written for it looks like this:

- (IBAction)installAsPDFService:(id)sender
{
NSArray *paths;
BOOL isDir = NO, exists = NO, success = NO;
NSFileManager *fileManager = [NSFileManager defaultManager];
NSString *pdfServiceDirectoryPath, *myAppAliasPath, *myAppPath;

paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
if ([paths count] > 0) { // only copying one file
pdfServiceDirectoryPath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"PDF Services"];
exists = [fileManager fileExistsAtPath:pdfServiceDirectoryPath isDirectory:&isDir];
if (!isDir) {
// There is no PDF Services directory so create it
[fileManager createDirectoryAtPath:pdfServiceDirectoryPath attributes:nil];
}

myAppAliasPath = [pdfServiceDirectoryPath stringByAppendingPathComponent:@"myApp"];
exists = [fileManager fileExistsAtPath:myAppAliasPath];
if (!exists) {
// There is no alias to myApp so create it
myAppPath = [[[NSBundle mainBundle] bundlePath] stringByDeletingPathExtension];
success = [fileManager linkPath:myAppPath toPath:pdfServiceDirectoryPath handler:nil];
}
}
}

But the last call to the linkPath method always returns NO and no alias is created. I've tried the myAppPath with and without the path extension. No joy either way. Can anybody tell me where I'm going wrong?

Thanks,
António _______________________________________________
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