static public int GetLockedBinaryIcon(string filename)
        {
            try
            {
                // Check to see if we can find this loced icon in our cache
                TstDictionaryEntry assetLocked = mAssetTypes.Find(Path.GetFileName(filename) + "_locked");
                if (assetLocked != null && assetLocked.IsKey)
                {
                    // Yup, return the index
                    return((int)assetLocked.Value);
                }
                else
                {
                    // Nope, We are going to have to create it

                    // Setup some new containers
                    Bitmap newLockedIcon   = null;
                    Bitmap lockIconSource  = null;
                    Bitmap assetIconSource = null;


                    // Can we find the locked image
                    TstDictionaryEntry nodeLocked = mAssetTypes.Find("locked");
                    if (nodeLocked != null && nodeLocked.IsKey)
                    {
                        // Great, get a copy of that
                        lockIconSource = (Bitmap)mAssetTypeImages.Images[(int)nodeLocked.Value];

                        // Now try and get the icon of this asset
                        // Have we seen this type of asset by its extension?
                        if (mFileTypeManager.ExtensionListHasKey(filename))
                        {
                            // Great get a copy of that
                            assetIconSource = (Bitmap)mFileTypeManager.GetImage(filename);
                        }
                        else
                        {
                            // No, ok try and add it from the file its self
                            if (File.Exists(filename))
                            {
                                mFileTypeManager.AddFileIcon(filename);
                                assetIconSource = (Bitmap)mFileTypeManager.GetImage(filename);
                            }
                            else
                            {
                                // Use the default icon
                                assetIconSource = (Bitmap)mAssetTypeImages.Images[0];
                            }
                        }

                        // Ok, if we got a lockSource and a class source icon, lets attempt to overlay them
                        if (assetIconSource != null && lockIconSource != null)
                        {
                            newLockedIcon = BitmapManipulator.OverlayBitmap(assetIconSource, lockIconSource, 100, BitmapManipulator.ImageCornerEnum.BottomRight);
                        }

                        // Did the overlay work?
                        if (newLockedIcon != null)
                        {
                            lock (mAssetTypes)
                            {
                                // Add the image and the type to the arrayLists
                                mAssetTypeImages.Images.Add(newLockedIcon);
                                mAssetTypes.Add(Path.GetFileName(filename) + "_locked", mAssetTypeImages.Images.Count - 1);

                                return(mAssetTypeImages.Images.Count - 1);
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                MOG_Report.ReportMessage("Get Locked Binary Icon", e.Message, e.StackTrace, MOG_ALERT_LEVEL.CRITICAL);
            }

            return(0);
        }