/// <summary>
 /// 获取系统盘可用容量(单位:KB)
 /// </summary>
 /// <returns></returns>
 public static long GetSystemDriveAvailableSize()
 {
     return(DriveTool.GetSystemDriveAvailableSize());
 }
 /// <summary>
 /// 获取系统盘总容量(单位:KB)
 /// </summary>
 /// <returns></returns>
 public static long GetSystemDriveTotalSize()
 {
     return(DriveTool.GetSystemDriveTotalSize());
 }