public void SelectPositionBtn()
 {
     if (Roles != null)
     {
         SelectedSoldierAssignRoleTabControlViewModel              = new SelectedSoldierAssignRoleTabControlViewModel(Soldier, RoleAssignments, Roles);
         SelectedSoldierAssignRoleTabControlViewModel.Deactivated += SelectedSoldierAssignRoleTabControlViewModel_Deactivated;
         WindowManager.ShowWindow(SelectedSoldierAssignRoleTabControlViewModel);
     }
 }
 public void AssignRoleBtn()
 {
     SelectedSoldierAssignRoleTabControlViewModel = new SelectedSoldierAssignRoleTabControlViewModel(NewSoldier, RoleAssignments, Roles);
     WindowManager.ShowWindow(SelectedSoldierAssignRoleTabControlViewModel);
     SelectedSoldierAssignRoleTabControlViewModel.Deactivated += SelectedSoldierAssignRoleTabControlViewModel_Deactivated;
 }