An NSFileManager object sends this message immediately before attempting to copy to a given path.
Original signature is '- (BOOL)fileManager:(NSFileManager *)fileManager shouldCopyItemAtPath:(NSString *)srcPath toPath:(NSString *)dstPath'
Available in Mac OS X v10.5 and later.

C# | Visual Basic | Visual C++ |
public event NSFileManager..::..FileManagerShouldCopyItemAtPathToPathEventHandler FileManagerShouldCopyItemAtPathToPath
Public Event FileManagerShouldCopyItemAtPathToPath As NSFileManager..::..FileManagerShouldCopyItemAtPathToPathEventHandler
public: event NSFileManager..::..FileManagerShouldCopyItemAtPathToPathEventHandler^ FileManagerShouldCopyItemAtPathToPath { void add (NSFileManager..::..FileManagerShouldCopyItemAtPathToPathEventHandler^ value); void remove (NSFileManager..::..FileManagerShouldCopyItemAtPathToPathEventHandler^ value); }

YES if the operation should proceed, otherwise NO.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)