private void ResetAllButton_Click(object sender, RoutedEventArgs e)
 {
     characterList.ClearCharacterList();
     monsterList.ClearMonsterList();
     CalculateXPButton.IsEnabled           = false;
     CalculateXPThresholdsButton.IsEnabled = false;
     EasyXPTextBlock.Text              = "";
     MediumXPTextBlock.Text            = "";
     HardXPTextBlock.Text              = "";
     DeadlyXPTextBlock.Text            = "";
     AdventuringDayXPTextBlock.Text    = "";
     CharactersTextBlock.Text          = "";
     MonstersTextBlock.Text            = "";
     TotalXPTextBlock.Text             = "";
     XPToAwardTextBlock.Text           = "";
     AdjustedXPTextBlock.Text          = "";
     EncounterDifficultyTextBlock.Text = "";
     CharacterListBox.Items.Clear();
     MonsterListBox.Items.Clear();
     RemoveCharacterButton.IsEnabled = false;
     RemoveMonsterButton.IsEnabled   = false;
 }