public static FileIdentityInformation GetVolumeIdAndUniqueIdForFolder(string fullPathWithFolderName)
{
var directoryHandleInformation = new FileSystemInteractor.BY_HANDLE_FILE_INFORMATION();
try
{
// OPEN_EXISTING (FileMode.Open) is specified as we know the folder exists when passed into this method;
// however, if it doesn't, a FileNotFoundException is thrown
var createdFolder =
FileSystemInteractor.CreateFile(
fullPathWithFolderName,
FileAccess.Read,
FileShare.Read,
IntPtr.Zero,
FileMode.Open,
Kernel32.FILE_FLAG_BACKUP_SEMANTICS,
IntPtr.Zero
);
FileSystemInteractor.GetFileInformationByHandle(createdFolder.DangerousGetHandle(), out directoryHandleInformation);
return
(new FileIdentityInformation
(
directoryHandleInformation.VolumeSerialNumber,
directoryHandleInformation.FileIndexHigh,
directoryHandleInformation.FileIndexLow
));
}
catch (Exception ex)
{
throw ex;
}
}
