Azmyth.Editor.frmEditorMain.btnOpen_Click C# (CSharp) Method

        private void btnOpen_Click(object sender, EventArgs e)
        {
            World world = null;
            OpenFileDialog dialog = new OpenFileDialog();

            dialog.Filter = "World File (*.wld)|*.wld";

            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {

                world = LoadWorld(dialog.FileName);

                VectorID worldID = null;
                MapViewer areaView = null;

                Assets.Assets.Store.AddAsset(world);

                worldID = world.AssetID;

                areaView = new MapViewer(worldID);
                areaView.Name = "av" + worldID.ID;
                areaView.AreaNode = _root.Nodes.Add(world.Name);
                areaView.AreaNode.Tag = worldID;

                areaView.Dock = DockStyle.Fill;

                tabMain.TabPages.Add(worldID.ToString(), world.Name);
                tabMain.SelectedIndex = tabMain.TabPages.IndexOfKey(worldID.ToString());
                tabMain.SelectedTab.Controls.Add(areaView);

                areaView.AreaPage = tabMain.SelectedTab;
                areaView.CellHover +=areaView_CellHover;
                _selected = world;
            }
        }