private void AddIncomeButton_Click(object sender, RoutedEventArgs e)
{
AddIncome income = new AddIncome(Budget);
income.Show();
this.Close();
}
/// <summary>
/// A method that opens AddIncome window provided the user selected a budget from the ComboBox.
/// </summary>
private void NewIncomeButton_Click(object sender, RoutedEventArgs e)
{
Budget Budget = new Budget(null, 0);
if (existingBudgets.SelectedItem == null)
{
MessageBox.Show("You haven't selected a budget!");
}
else
{
Budget = (Budget)existingBudgets.SelectedItem;
AddIncome win = new AddIncome(Budget);
win.Show();
this.Close();
}
}