private void setWallpaperPreview()
        {
            Bitmap preview;

            preview = (Bitmap)ImageFunctions.LoadImage(fullPathCurrent, Setting.getSettingsFullPath(Properties.Settings.Default.Portable));
            if (preview != null)
            {
                this.pbPreviewImage.Image.Dispose();
                this.pbPreviewImage.Image = (Image)preview.Clone();
                preview.Dispose();
            }
        }