/// <summary>
/// Edit action
/// </summary>
public override void Edit()
{
var expenseEditWindow = new ExpenseEditWindow(this, SelectedExpense);
expenseEditWindow.Show();
}
/// <summary>
/// Add action
/// </summary>
public override void Add()
{
var expenseEditWindow = new ExpenseEditWindow(this, null);
expenseEditWindow.Show();
}