public void RightClick(ScreenDrawingSurface surface, Point location)
{
int tile_x = location.X / surface.Screen.Tileset.TileSize;
int tile_y = location.Y / surface.Screen.Tileset.TileSize;
var tile = surface.Screen.TileAt(tile_x, tile_y);
MainForm.Instance.TileStrip.SelectTile(tile);
}