/// <summary>
/// Adds the passed in (valid store) GUID to the end of the current OS entry display list for store.
/// </summary>
/// <param name="newGuid"></param>
/// <param name="storePath"></param>
/// <param name="errorDetails"></param>
/// <returns></returns>
public static bool AddGuidToOSDisplayList(string newGuid, string storePath, out string errorDetails)
{
// optional additional info on any errors encountered, sent back as output variable
errorDetails = string.Empty; // default to empty string ( no errors encountered)
BcdObject bcdBootMgr = new BcdObject(BcdStore_API.ImpersonationScope, Constants.GUID_WINDOWS_BOOTMGR, storePath);
ManagementBaseObject mboListElements;
bool successGetDisplayOrderObj = bcdBootMgr.GetElement(Constants.BCDE_BOOTMGR_TYPE_DISPLAY_ORDER,
out mboListElements);
if (! successGetDisplayOrderObj)
{
errorDetails = "Trouble getting boot manager display order object";
return false;
}
else
{
BcdObjectListElement listElement = new BcdObjectListElement(mboListElements);
string[] osDisplayList = listElement.Ids;
int len = osDisplayList.Length;
string[] newOsDisplayList = new string[len + 1];
for (int i = 0; i < len; i++)
{
newOsDisplayList[i] = osDisplayList[i];
}
newOsDisplayList[len] = newGuid;
//if (_updateGuidListViaObject)
//{
// // this code needs research to figure out why it's not working:
// //listElement.AutoCommit = true;
// //listElement.Ids = newOsDisplayList;
// //listElement.CommitObject();
// // DOES NOT WORK, error in WMI classes?
//}
//else
//{
// save new display list via bcdbootmgr object's SetObjectListElement method.
bool setElementStatus = bcdBootMgr.SetObjectListElement(newOsDisplayList, Constants.BCDE_BOOTMGR_TYPE_DISPLAY_ORDER);
if ( !setElementStatus)
{
errorDetails = "Trouble setting new display order list via SetObjectListElement call";
return false;
}
//}
}
return true;
}
public BcdObject(System.Management.ManagementScope mgmtScope, string keyId, string keyStoreFilePath)
{
this.InitializeObject(((System.Management.ManagementScope)(mgmtScope)), new System.Management.ManagementPath(BcdObject.ConstructPath(keyId, keyStoreFilePath)), null);
}
public BcdObject(string keyId, string keyStoreFilePath)
{
this.InitializeObject(null, new System.Management.ManagementPath(BcdObject.ConstructPath(keyId, keyStoreFilePath)), null);
}
/// <summary>
/// Overwrite the given bcd store's OS Display List (what displays on system load) with the given string array of guids.
/// Note this is very powerful make sure you know what you are doing.
/// </summary>
/// <param name="arrNewGuidArray"></param>
/// <param name="storePath"></param>
/// <param name="errorDetails"></param>
/// <returns></returns>
public static bool SetOSDisplayListGuids(string[] arrNewGuidArray, string storePath, out string errorDetails)
{
// optional additional info on any errors encountered, sent back as output variable
errorDetails = string.Empty; // default to empty string ( no errors encountered)
if (arrNewGuidArray.Length == 0)
{
errorDetails = "This will delete ALL OS displayed list items, effectively making system boot NON-FUNCTIONAL. Disabling this functionality per this version of library...";
return false;
}
BcdObject bcdBootMgr = new BcdObject(BcdStore_API.ImpersonationScope, Constants.GUID_WINDOWS_BOOTMGR, storePath);
ManagementBaseObject mboListElements;
bool successGetDisplayOrderObj = bcdBootMgr.GetElement(Constants.BCDE_BOOTMGR_TYPE_DISPLAY_ORDER,
out mboListElements);
if (!successGetDisplayOrderObj)
{
errorDetails = "Trouble getting boot manager display order object";
return false;
}
else
{
BcdObjectListElement listElement = new BcdObjectListElement(mboListElements);
// save new display list via bcdbootmgr object's SetObjectListElement method.
bool setElementStatus = bcdBootMgr.SetObjectListElement(arrNewGuidArray, Constants.BCDE_BOOTMGR_TYPE_DISPLAY_ORDER);
if (!setElementStatus)
{
errorDetails = "Trouble setting new display order list via SetObjectListElement call";
return false;
}
}
return true;
}
public static string GetDescriptionForGuid(string guid, string storePath)
{
string descripFound = null;
BcdObject nonEmbeddedObjRef = new BcdObject(BcdStore_API.ImpersonationScope, guid, storePath);
System.Management.ManagementBaseObject Element;
bool getDescripStatus = nonEmbeddedObjRef.GetElement(Constants.BCDE_LIBRARY_TYPE_DESCRIPTION, out Element);
if ( getDescripStatus )
{
descripFound = Element.GetPropertyValue("String").ToString();
}
return descripFound;
}
public static List<string> GetBootManagerGUIDEntriesDisplayListAsList(string storePath)
{
List<string> guidList = null;
BcdObject bcdObject = new BcdObject(BcdStore_API.ImpersonationScope, Constants.GUID_WINDOWS_BOOTMGR, storePath);
ManagementBaseObject mboOut;
bool success = bcdObject.GetElement(Constants.BCDE_BOOTMGR_TYPE_DISPLAY_ORDER, out mboOut);
if (success)
{
string[] oSList = (string[])mboOut.GetPropertyValue("Ids");
guidList = new List<string>();
foreach (string s in oSList)
guidList.Add(s);
}
return guidList;
}
public static bool CloneExistingOSEntry(string osEntryToCloneGuid, string newOSEntryDescriptionName, string storePath, out string errorDetails)
{
errorDetails = string.Empty; // default error string to empty string/no errors
ROOT.WMI.BcdStore bcdStore = new ROOT.WMI.BcdStore(BcdStore_API.ImpersonationScope, storePath);
string newGuid = "{" + Guid.NewGuid().ToString() + "}";
ManagementBaseObject newObject;
bool success = bcdStore.CopyObject(Constants.BCD_COPY_CREATE_NEW_OBJECT_IDENTIFIER, osEntryToCloneGuid, storePath, out newObject);
if (!success)
{
errorDetails = "failure with bcdstore copy object call";
return false;
}
BcdObject newBcdObject = new BcdObject(newObject);
string newGuid2 = newBcdObject.Id.ToString();
if (success)
{
string errorString;
bool successfulAddToOsList = AddGuidToOSDisplayList(newGuid2, storePath, out errorString);
if (!successfulAddToOsList)
{
errorDetails = errorString;
return false;
}
bool setDescripStatus = ChangeOSEntryDescription(newBcdObject.Id, newOSEntryDescriptionName, storePath);
if (!setDescripStatus)
{
errorDetails = "failure with setting new OS entry description, otherwise success";
return false;
}
}
return true;
}
public static bool ChangeOSEntryDescription(string guid, string newDescription, string storePath)
{
BcdObject nonEmbeddedObjRef = new BcdObject(BcdStore_API.ImpersonationScope, guid, storePath);
bool setDescripStatus = nonEmbeddedObjRef.SetStringElement(newDescription, Constants.BCDE_LIBRARY_TYPE_DESCRIPTION);
return setDescripStatus;
}
