从C#重命名Hyper-V WMI V2中的快照

时间:2014-03-02 21:56:15

标签: rename snapshot hyper-v

我正在尝试使用root \ virtualization \ v2重命名Hyper-V快照(检查点)。到目前为止,没有像Msvm_VirtualSystemSnapshotService或Msvm_VirtualSystemManagementService的ModifySystemSettings或ModifyVirtualSystem这样的标准方法都有帮助。

Powershell Rename-VMSnapshot可以完成这项工作,但我不确定它是否正在使用WMI。

有什么想法吗?

1 个答案:

答案 0 :(得分:3)

这对我有用:

//
// Rename last snapshot to desired name
//
using (ManagementBaseObject inParams = vmms.GetMethodParameters("ModifySystemSettings"))
{
    ManagementObject setting = null;

    ManagementObjectCollection settings = vm.GetRelated(
        "Msvm_VirtualSystemSettingData",
        "Msvm_MostCurrentSnapshotInBranch",
        null,
        null,
        "Dependent",
        "Antecedent",
        false,
        null
        );

    foreach (ManagementObject instance in settings)
    {
        // Usually only one, but loop through to the end to get latest one

        if (setting != null)
        {
            if (string.Compare(
                    (string)instance["CreationTime"],
                    (string)setting["CreationTime"],
                    true) > 0
                )
            {
                // Get latest one since there could be duplicates
                setting = instance;
            }
        }
        else
        {
            setting = instance;
        }
    }

    setting["ElementName"] = snapshotName;

    inParams["SystemSettings"] = setting.GetText(TextFormat.WmiDtd20);

    using (ManagementBaseObject outParams = vmms.InvokeMethod("ModifySystemSettings", inParams, null))
    {
        // What this does is get Job managementObject and check JobState to be JobCompleted.
        this.ProcessSnapshotMethodResult(outParams, "rename");
    }
}
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