/// <summary>
/// Gets the first virtual machine object of the given class with the given name.
/// </summary>
/// <param name="name">The name of the virtual machine to retrieve the path for.</param>
/// <param name="className">The class of virtual machine to search for.</param>
/// <param name="scope">The ManagementScope to use to connect to WMI.</param>
/// <returns>The instance representing the virtual machine.</returns>
private static ManagementObject GetVmObject(string name, string className, ManagementScope scope)
{
string vmQueryWql = string.Format(CultureInfo.InvariantCulture,
"SELECT * FROM {0} WHERE ElementName=\"{1}\"", className, name);
SelectQuery vmQuery = new SelectQuery(vmQueryWql);
using (ManagementObjectSearcher vmSearcher = new ManagementObjectSearcher(scope, vmQuery))
using (ManagementObjectCollection vmCollection = vmSearcher.Get())
{
if (vmCollection.Count == 0)
{
throw new ManagementException(string.Format(CultureInfo.CurrentCulture,
"No {0} could be found with name \"{1}\"",
className,
name));
}
//
// If multiple virtual machines exist with the requested name, return the first
// one.
//
ManagementObject vm = WMIUtils.GetFirstObjectFromCollection(vmCollection);
return(vm);
}
}
/// <summary>
/// Gets the virtual machine's configuration settings object.
/// </summary>
/// <param name="virtualMachine">The virtual machine.</param>
/// <returns>The virtual machine's configuration object.</returns>
public static ManagementObject GetVirtualMachineSettings(ManagementObject virtualMachine)
{
using (ManagementObjectCollection settingsCollection =
virtualMachine.GetRelated("Msvm_VirtualSystemSettingData", "Msvm_SettingsDefineState",
null, null, null, null, false, null))
{
ManagementObject virtualMachineSettings =
WMIUtils.GetFirstObjectFromCollection(settingsCollection);
return(virtualMachineSettings);
}
}
/// <summary>
/// Gets the virtual system snapshot service.
/// </summary>
/// <param name="scope">The scope to use when connecting to WMI.</param>
/// <returns>The virtual system snapshot service.</returns>
public static ManagementObject GetVirtualMachineSnapshotService(ManagementScope scope)
{
using (ManagementClass snapshotServiceClass =
new ManagementClass("Msvm_VirtualSystemSnapshotService"))
{
snapshotServiceClass.Scope = scope;
ManagementObject snapshotService =
WMIUtils.GetFirstObjectFromCollection(snapshotServiceClass.GetInstances());
return(snapshotService);
}
}
/// <summary>
/// Gets the virtual system management service setting data.
/// </summary>
/// <param name="scope">The scope to use when connecting to WMI.</param>
/// <returns>The virtual system management service settings.</returns>
public static ManagementObject GetVirtualMachineManagementServiceSettings(ManagementScope scope)
{
using (ManagementClass serviceSettingsClass =
new ManagementClass("Msvm_VirtualSystemManagementServiceSettingData"))
{
serviceSettingsClass.Scope = scope;
ManagementObject serviceSettings =
WMIUtils.GetFirstObjectFromCollection(serviceSettingsClass.GetInstances());
return(serviceSettings);
}
}
