private void RefreshSliders()
{
var currentEmpire = _gameMain.EmpireManager.CurrentEmpire;
_techSliders[0].TopIndex = currentEmpire.TechnologyManager.ComputerPercentage;
_techSliders[1].TopIndex = currentEmpire.TechnologyManager.ConstructionPercentage;
_techSliders[2].TopIndex = currentEmpire.TechnologyManager.ForceFieldPercentage;
_techSliders[3].TopIndex = currentEmpire.TechnologyManager.PlanetologyPercentage;
_techSliders[4].TopIndex = currentEmpire.TechnologyManager.PropulsionPercentage;
_techSliders[5].TopIndex = currentEmpire.TechnologyManager.WeaponPercentage;
}