private void tileRefColorsToLibraryButton_Click(object sender, EventArgs e)
        {
            string tilename = Path.GetFileNameWithoutExtension(currentTileName);

            using (TilePrompt dlg = new TilePrompt())
            {
                dlg.TileName = tilename;
                if (dlg.ShowDialog() == DialogResult.OK)
                {
                    tilename = dlg.TileName;
                    TileRefColorsToLibrary(tilename);

                    LibraryToTreeview();
                }
            }
        }
        private void tileRefColorsToLibraryButton_Click(object sender, EventArgs e)
        {
            string tilename = Path.GetFileNameWithoutExtension(currentTileName);
            using (TilePrompt dlg = new TilePrompt())
            {
                dlg.TileName = tilename;
                if (dlg.ShowDialog() == DialogResult.OK)
                {
                    tilename = dlg.TileName;
                    TileRefColorsToLibrary(tilename);

                    LibraryToTreeview();
                }
            }
        }