获取磁盘使用情况

{
  "Name": "DiskUsage",
  "Description": [
    "Class for disk space information."
  ],
  "Type": "Class",
  "IsAbstract": false,
  "Properties": [
    {
      "Name": "UsedSize",
      "Description": [
        "Amount of disk space used by the application."
      ],
      "Nullable": true,
      "ReadOnly": false,
      "IsInherit": false,
      "DataType": {
        "Identifier": "Long",
        "Name": "long"
      }
    },
    {
      "Name": "TotalSize",
      "Description": [
        "Total available disk space."
      ],
      "Nullable": true,
      "ReadOnly": false,
      "IsInherit": false,
      "DataType": {
        "Identifier": "Long",
        "Name": "long"
      }
    }
  ]
}