private void ToolBarButton13_Click(object sender, EventArgs e) { ToolStripButton button = sender as ToolStripButton; if (button == null) { return; } object tag = button.Tag; if (ObjectType.ObjTst(tag, (object)"Select", false) == 0) { MapZoom mapZoom = new MapZoom(); mapZoom.Tag = (object)this.LandItems; mapZoom.Show(); } }