public void Set(SystemClass system) { if (TargetSystem == null || !TargetSystem.Equals(system)) { TargetSystem = system; ClearDataGridViewDistancesRows(); } if (TargetSystem == null) { return; } textBoxSystemName.Text = TargetSystem.name; labelStatus.Text = "Enter Distances"; labelStatus.BackColor = Color.LightBlue; UnfreezeTrilaterationUI(); dataGridViewDistances.Focus(); PopulateSuggestedSystems(); PopulateClosestSystems(); }