Msvm_ImageManagementService 類別的 CreateVirtualFloppyDisk 方法

建立虛擬磁片磁碟機檔案。

語法

uint32 CreateVirtualFloppyDisk(
  [in]  string              Path,
  [out] CIM_ConcreteJob REF Job
);

參數

路徑 [in]

類型： 字串

指定新檔案位置的完整路徑。

作業 [out]

類型： CIM_ConcreteJob

如果工作已完成) ，則作業 (的參考可以是 Null 。

傳回值

類型： uint32

這個方法可以傳回下列其中一個值。

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備註

Msvm_ImageManagementService類別的存取可能會受限於 UAC 篩選。 如需詳細資訊，請參閱 使用者帳戶控制和 WMI。

範例

下列 C# 範例會建立虛擬磁碟檔案。 您可以在虛擬 範例的常見公用程式中找到參考的公用程式， (V2) 。

using System;
using System.Management;

namespace HyperVSamples
{
    class CreateVFD
    {
        static void CreateVirtualFlopy(string vhdPath)
        {
            ManagementScope scope = new ManagementScope(@"root\virtualization\v2", null);
            ManagementObject imageService = Utility.GetServiceObject(scope, "Msvm_ImageManagementService");

            ManagementBaseObject inParams = imageService.GetMethodParameters("CreateVirtualFloppyDisk");
            inParams["Path"] = vhdPath;
            ManagementBaseObject outParams = imageService.InvokeMethod("CreateVirtualFloppyDisk", inParams, null);
            if ((UInt32)outParams["ReturnValue"] == ReturnCode.Started)
            {
                if (Utility.JobCompleted(outParams, scope))
                {
                    Console.WriteLine("{0} was created successfully.", inParams["Path"]);
                }
                else
                {
                    Console.WriteLine("Unable to create {0}", inParams["Path"]);
                }
            }

            inParams.Dispose();
            outParams.Dispose();
            imageService.Dispose();
        }

        static void Main(string[] args)
        {
            if (args != null && args.Length != 1)
            {
                Console.WriteLine("Usage: CreateVFD path");
                return;
            }
            CreateVirtualFlopy(args[0]);
        }
    }
}

下列 Visual Basic Scripting Edition (VBScript) 範例會建立虛擬磁片盤檔案。

option explicit 

dim objWMIService
dim managementService
dim fileSystem


const JobStarting = 3
const JobRunning = 4
const JobCompleted = 7
const wmiStarted = 4096

const method = "CreateVirtualFloppyDisk"
Main()

'-----------------------------------------------------------------
' Main
'-----------------------------------------------------------------
Sub Main()

    dim computer, objArgs, vfdPath

    set fileSystem = Wscript.CreateObject("Scripting.FileSystemObject")

    computer = "."
    set objWMIService = GetObject("winmgmts:\\" & computer & "\root\virtualization\v2")
    set managementService = objWMIService.ExecQuery("Select * from Msvm_ImageManagementService").ItemIndex(0)

    set objArgs = WScript.Arguments
    if WScript.Arguments.Count = 1 then
       vfdPath = objArgs.Unnamed.Item(0)
    else
       WScript.Echo "usage: cscript CreateVFD.vbs VFDFilePath "
       WScript.Quit(1)
    end if

    if CreateVirtualFloppyDisk(vfdPath) then
        WriteLog "Done"
        WScript.Quit(0)
    else
        WriteLog "CreateVFD failed"
        WScript.Quit(1)
    end if

End Sub

'-----------------------------------------------------------------
' Execute CreateVirtualFloppyDisk method
'-----------------------------------------------------------------
Function CreateVirtualFloppyDisk(vfdPath)
    WriteLog Format1("Function CreateVirtualFloppyDisk({0})",  vfdPath)
    
    dim objInParam, objOutParams

    CreateVirtualFloppyDisk = false

    set objInParam = managementService.Methods_("CreateVirtualFloppyDisk").InParameters.SpawnInstance_()
    objInParam.Path = vfdPath

    set objOutParams = managementService.ExecMethod_("CreateVirtualFloppyDisk", objInParam)

    if (WMIMethodStarted(objOutParams)) then
        if (WMIJobCompleted(objOutParams)) then
            WriteLog Format1("VHD {0} was created successfully", vfdPath)
            CreateVirtualFloppyDisk = true
        end if
    end if

End Function


'-----------------------------------------------------------------
' Handle wmi return values
'-----------------------------------------------------------------
Function WMIMethodStarted(outParam)
    WriteLog "Function WMIMethodStarted"
    
    dim wmiStatus
    
    WMIMethodStarted = false

    if Not IsNull(outParam) then
        wmiStatus = outParam.ReturnValue

        if  wmiStatus = wmiStarted then
            WMIMethodStarted = true
        else
            WriteLog Format2("Failed to create VFD {0} ConcreteJob with error {1}", vfdPath, wmiStatus)
        end if
   end if

End Function

'-----------------------------------------------------------------
' Handle wmi Job object
'-----------------------------------------------------------------
Function WMIJobCompleted(outParam)
    WriteLog "Function WMIJobCompleted"
    dim WMIJob, jobState

    set WMIJob = objWMIService.Get(outParam.Job)

    WMIJobCompleted = true

    jobState = WMIJob.JobState

    while jobState = JobRunning or jobState = JobStarting
        WriteLog Format1("In progress... {0}% completed.",WMIJob.PercentComplete)
        WScript.Sleep(1000)
        set WMIJob = objWMIService.Get(outParam.Job)
        jobState = WMIJob.JobState
    wend

    if (jobState <> JobCompleted) then
        WriteLog Format1("ErrorCode:{0}", WMIJob.ErrorCode)
        WriteLog Format1("ErrorDescription:{0}", WMIJob.ErrorDescription)
        WMIJobCompleted = false
    end if

End Function

'-----------------------------------------------------------------
' Create the console log files.
'-----------------------------------------------------------------
Sub WriteLog(line)
    dim fileStream
    set fileStream = fileSystem.OpenTextFile(".\CreateVFD.log", 8, true)
    WScript.Echo line
    fileStream.WriteLine line
    fileStream.Close

End Sub

'------------------------------------------------------------------------------
' The string formatting functions to avoid string concatenation.
'------------------------------------------------------------------------------
Function Format2(myString, arg0, arg1)
    Format2 = Format1(myString, arg0)
    Format2 = Replace(Format2, "{1}", arg1)
End Function

'------------------------------------------------------------------------------
' The string formatting functions to avoid string concatenation.
'------------------------------------------------------------------------------
Function Format1(myString, arg0)
    Format1 = Replace(myString, "{0}", arg0)
End Function

規格需求

需求	值
最低支援的用戶端	Windows 8 [僅限傳統型應用程式]
最低支援的伺服器	Windows Server 2012 [僅限傳統型應用程式]
命名空間	Root\Virtualization\V2
MOF	WindowsVirtualization.V2.mof
DLL	Vmms.exe

另請參閱

CIM_ConcreteJob

Msvm_ImageManagementService