private void btnSelTileSets_Click(object sender, EventArgs e)
        {
            var selTileSets = new frmGetTileSetsPerLayer(gameRef);

            if (selTileSets.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                selectedTileSet_Layer1 = selTileSets.TileSet_Layer1;
                selectedTileSet_Layer2 = selTileSets.TileSet_Layer2;
                selectedTileSet_Layer3 = selTileSets.TileSet_Layer3;

                groundTile_Layer1 = selTileSets.GroundTile_Layer1;
                groundTile_Layer2 = selTileSets.GroundTile_Layer2;
                groundTile_Layer3 = selTileSets.GroundTile_Layer3;

                wallTile_Layer1 = selTileSets.WallTile_Layer1;
                wallTile_Layer2 = selTileSets.WallTile_Layer2;
                wallTile_Layer3 = selTileSets.WallTile_Layer3;
            }
        }
        private void btnSelTileSets_Click(object sender, EventArgs e)
        {
            var selTileSets = new frmGetTileSetsPerLayer(gameRef);

            if (selTileSets.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                selectedTileSet_Layer1 = selTileSets.TileSet_Layer1;
                selectedTileSet_Layer2 = selTileSets.TileSet_Layer2;
                selectedTileSet_Layer3 = selTileSets.TileSet_Layer3;

                groundTile_Layer1 = selTileSets.GroundTile_Layer1;
                groundTile_Layer2 = selTileSets.GroundTile_Layer2;
                groundTile_Layer3 = selTileSets.GroundTile_Layer3;

                wallTile_Layer1 = selTileSets.WallTile_Layer1;
                wallTile_Layer2 = selTileSets.WallTile_Layer2;
                wallTile_Layer3 = selTileSets.WallTile_Layer3;
            }
        }