public static object Revert(VirtualMachine vm)
{
ManagementScope scope = new ManagementScope("\\\\" + ServerName + "\\Root\\Virtualization\\V2", Options);
using (ManagementObject virtualMachine = WmiUtilities.GetVirtualMachine(vmElementName, scope)) {
using (ManagementObject virtualSystemSettingData = WmiUtilities.GetVirtualSystemSettingData(scope, virtualMachine)) {
using (ManagementObject virtualSystemSnapshotService = WmiUtilities.GetVirtualSystemSnapshotService(scope)) {
using (ManagementObject lastSnapshot = WmiUtilities.GetFirstObjectFromCollection(virtualSystemSettingData.GetRelated("Msvm_VirtualSystemSettingData", "Msvm_ParentChildSettingData", null, null, null, null, false, null))) {
using (ManagementBaseObject inParams = virtualSystemSnapshotService.GetMethodParameters("ApplySnapshot")) {
inParams("Snapshot") = lastSnapshot;
// In order to apply a snapshot, the virtual machine must first be saved
RequestStateChange.Main(vm, RequestStateChange.RequestedState.Save, false);
using (ManagementBaseObject outParams = virtualSystemSnapshotService.InvokeMethod("ApplySnapshot", inParams, null)) {
WmiUtilities.ValidateOutput(outParams, scope);
// Now that the snapshot has been applied, start the VM back up
RequestStateChange.Main(vm, RequestStateChange.RequestedState.Start, false);
}
}
}
}
}
}
}
public void ChangeState <Type>()
{
RequestStateChange.Invoke(typeof(Type));
}
