private void incomeAdd_Click_1(object sender, EventArgs e)
{
var createNewIncome = new EditIncomeForm(null, _year);
createNewIncome.NewIncomeAdded += NewIncome_Added;
createNewIncome.Show();
}
private void incomeEdit_Click_1(object sender, EventArgs e)
{
string incomeSelected = incomeLv.SelectedItems[0].SubItems[0].Text;
var createNewIncome = new EditIncomeForm(_year.GetIncomeSource(incomeSelected), _year);
createNewIncome.NewIncomeAdded += RefreshPage_Handler;
createNewIncome.Show();
}