internal static VolumeInformation GetVolumeInformation(string rootPath)
{
rootPath = Paths.AddTrailingSeparator(rootPath);
StringBuilder volumeName = new StringBuilder(Paths.MaxPath + 1);
StringBuilder fileSystemName = new StringBuilder(Paths.MaxPath + 1);
uint serialNumber, maxComponentLength;
FileSystemFeature flags;
if (!GetVolumeInformationPrivate(rootPath, volumeName, volumeName.Capacity, out serialNumber, out maxComponentLength, out flags, fileSystemName, fileSystemName.Capacity))
{
int lastError = Marshal.GetLastWin32Error();
throw GetIoExceptionForError(lastError, rootPath);
}
VolumeInformation info = new VolumeInformation
{
RootPathName = rootPath,
VolumeName = volumeName.ToString(),
VolumeSerialNumber = serialNumber,
MaximumComponentLength = maxComponentLength,
FileSystemFlags = flags,
FileSystemName = fileSystemName.ToString()
};
return info;
}
internal static VolumeInformation GetVolumeInformation(string rootPath)
{
rootPath = Paths.AddTrailingSeparator(rootPath);
using (var volumeName = new StringBuffer(initialCharCapacity: Paths.MaxPath + 1))
using (var fileSystemName = new StringBuffer(initialCharCapacity: Paths.MaxPath + 1))
{
uint serialNumber, maxComponentLength;
FileSystemFeature flags;
if (!Private.GetVolumeInformationW(rootPath, volumeName, volumeName.CharCapacity, out serialNumber, out maxComponentLength, out flags, fileSystemName, fileSystemName.CharCapacity))
{
int lastError = Marshal.GetLastWin32Error();
throw GetIoExceptionForError(lastError, rootPath);
}
volumeName.SetLengthToFirstNull();
fileSystemName.SetLengthToFirstNull();
VolumeInformation info = new VolumeInformation
{
RootPathName = rootPath,
VolumeName = volumeName.ToString(),
VolumeSerialNumber = serialNumber,
MaximumComponentLength = maxComponentLength,
FileSystemFlags = flags,
FileSystemName = fileSystemName.ToString()
};
return info;
}
}