/// <summary>
 /// Populate values from the base palette.
 /// </summary>
 public void PopulateFromBase()
 {
     _checkedDisabled       = _redirect.GetCheckBoxImage(false, CheckState.Checked, false, false);
     _checkedNormal         = _redirect.GetCheckBoxImage(true, CheckState.Checked, false, false);
     _checkedTracking       = _redirect.GetCheckBoxImage(true, CheckState.Checked, true, false);
     _checkedPressed        = _redirect.GetCheckBoxImage(true, CheckState.Checked, false, true);
     _uncheckedDisabled     = _redirect.GetCheckBoxImage(false, CheckState.Unchecked, false, false);
     _uncheckedNormal       = _redirect.GetCheckBoxImage(true, CheckState.Unchecked, false, false);
     _uncheckedTracking     = _redirect.GetCheckBoxImage(true, CheckState.Unchecked, true, false);
     _uncheckedPressed      = _redirect.GetCheckBoxImage(true, CheckState.Unchecked, false, true);
     _indeterminateDisabled = _redirect.GetCheckBoxImage(false, CheckState.Indeterminate, false, false);
     _indeterminateNormal   = _redirect.GetCheckBoxImage(true, CheckState.Indeterminate, false, false);
     _indeterminateTracking = _redirect.GetCheckBoxImage(true, CheckState.Indeterminate, true, false);
     _indeterminatePressed  = _redirect.GetCheckBoxImage(true, CheckState.Indeterminate, false, true);
 }