public DiskFreeSpace GetDiskFreeSpace(string devicePathName)
{
DiskFreeSpace space = new DiskFreeSpace()
{
SectorsPerCluster = 0,
BytesPerSector = 0,
UserBytesFree = 0,
TotalBytesFree = 0,
TotalBytes = 0
};
ErrorModes mode = SetErrorMode(ErrorModes.SEM_FAILCRITICALERRORS);
try {
bool successEx = GetDiskFreeSpaceEx(devicePathName, out ulong freeBytes, out ulong totalBytes, out ulong totalFreeBytes);
if (!successEx)
{
m_Win32Error = Marshal.GetLastWin32Error();
}
else
{
space.UserBytesFree = (long)freeBytes;
space.TotalBytes = (long)totalBytes;
space.TotalBytesFree = (long)totalFreeBytes;
}
bool success = Kernel32.GetDiskFreeSpace(devicePathName, out int sectorsPerCluster, out int bytesPerSector, out int _, out int _);
if (!success)
{
m_Win32Error = Marshal.GetLastWin32Error();
}
else
{
space.SectorsPerCluster = sectorsPerCluster;
space.BytesPerSector = bytesPerSector;
}
if (!success && !successEx)
{
return(null);
}
return(space);
} finally {
SetErrorMode(mode);
}
}
private void AddDiskFreeSpace(IDictionary <string, ResultOrError <DiskFreeSpace> > dictionary, string path, XmlElement node)
{
if (node == null)
{
return;
}
if (dictionary.ContainsKey(path))
{
return;
}
// Because this is a complex type, The XML will always return the default value.
ResultOrError <DiskFreeSpace> result = GetResultOrError <DiskFreeSpace>(node);
if (result != null)
{
dictionary.Add(path, result);
return;
}
string sectorsPerCluster = node["SectorsPerCluster"].Attributes["result"].Value;
string bytesPerSector = node["BytesPerSector"].Attributes["result"].Value;
string totalBytes = node["TotalBytes"].Attributes["result"].Value;
string totalBytesFree = node["TotalBytesFree"].Attributes["result"].Value;
string userBytesFree = node["UserBytesFree"].Attributes["result"].Value;
DiskFreeSpace freeInfo = new DiskFreeSpace()
{
SectorsPerCluster = int.Parse(sectorsPerCluster, CultureInfo.InvariantCulture),
BytesPerSector = int.Parse(bytesPerSector, CultureInfo.InvariantCulture),
TotalBytes = long.Parse(totalBytes, CultureInfo.InvariantCulture),
TotalBytesFree = long.Parse(totalBytesFree, CultureInfo.InvariantCulture),
UserBytesFree = long.Parse(userBytesFree, CultureInfo.InvariantCulture),
};
dictionary.Add(path, new ResultOrError <DiskFreeSpace>(freeInfo));
}