c# drive info
foreach (var drive in DriveInfo.GetDrives())
{
double freeSpace = drive.TotalFreeSpace;
double totalSpace = drive.TotalSize;
double percentFree = (freeSpace / totalSpace) * 100;
float num = (float)percentFree;
Console.WriteLine("Drive:{0} With {1} % free", drive.Name, num);
Console.WriteLine("Space Remaining:{0}", drive.AvailableFreeSpace);
Console.WriteLine("Percent Free Space:{0}", percentFree);
Console.WriteLine("Space used:{0}", drive.TotalSize);
Console.WriteLine("Type: {0}", drive.DriveType);
}