/// <summary>
/// 計算するボタン押下時イベントハンドラ
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCalculate_Click(object sender, EventArgs e)
{
int excludingTaxPrice;
Result result = DovalidationExcludingTaxPrice(out excludingTaxPrice);
if (!result.IsSuccess)
{
MessageBox.Show(result.ErrorMessage);
return;
}
int IncludingTaxPrice = this.CalculateIncludingTaxPrice(excludingTaxPrice);
int numberOfPeople;
result = DovalidationNumberOfPeople(out numberOfPeople);
if (!result.IsSuccess)
{
MessageBox.Show(result.ErrorMessage);
return;
}
SplitCost splitCost = this.CalculatePricePerPerson(IncludingTaxPrice, numberOfPeople);
this.SetView(splitCost);
}
/// <summary>
/// 一人あたりの金額を算出します
/// </summary>
/// <param name="includingTaxPrice">消費税込み金額</param>
/// <param name="numberOfPeople">人数</param>
/// <returns>割り勘</returns>
private SplitCost CalculatePricePerPerson(int includingTaxPrice, int numberOfPeople)
{
SplitCost splitCost = new SplitCost();
splitCost.PricePerPeson = includingTaxPrice / numberOfPeople;
splitCost.Remainder = includingTaxPrice % numberOfPeople;
return(splitCost);
}
private void SetView(SplitCost splitCost)
{
this.lblPerPeoplePrice.Text = splitCost.PricePerPeson.ToString() + "円";
this.lblRemainderPrice.Text = splitCost.Remainder.ToString();
}
