/// <summary>
        /// Handles the TilesetLoaded event of the <see cref="TilesetManager"/> object.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="TilesetLoadedEventArgs"/> instance containing the event data.</param>
        private void TilesetLoaded(object sender, TilesetLoadedEventArgs e)
        {
            foreach (var tileset in e.Tilesets)
            {
                cmbTilesets.Items.Add(tileset.Name);
            }

            if (cmbTilesets.Items.Count > 0)
                cmbTilesets.SelectedIndex = 0;
        }
        /// <summary>
        /// Handles the TilesetLoaded event of the <see cref="TilesetManager"/> object.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="TilesetLoadedEventArgs"/> instance containing the event data.</param>
        private void TilesetLoaded(object sender, TilesetLoadedEventArgs e)
        {
            foreach (var tileset in e.Tilesets)
            {
                tilesetsNode.Nodes.Add(new TreeNode
                {
                    Name = "Tileset" + tileset.Name,
                    Text = tileset.Name,
                    SelectedImageIndex = 3,
                    ImageIndex = 3
                });
            }

            SortNodes();
        }