protected override void OnWindowEnable(VisualElement root)
{
m_SettingsTab = new SettingsTab();
AddTab("Settings", m_SettingsTab);
AddTab("About", new AboutTab());
SetupSettingsTab(m_SettingsTab);
}
void SetupSettingsTab(SettingsTab settingsTab)
{
settingsTab.UpdateBuildEntitiesCallback += UpdateBuildEntities;
UpdateBuildEntities();
}