private void StartRecordTilesetChanges()
{
// Copy the selected tileset's original settings to our local backup
Tileset tileset = this.SelectedTileset.Res;
if (tileset != null)
{
if (this.tilesetBackup == null)
{
this.tilesetBackup = new Tileset();
}
tileset.CopyTo(this.tilesetBackup);
this.backupTarget = this.SelectedTileset;
}
else
{
this.backupTarget = null;
}
}