/// <summary>
/// ←ボタンがクリックされた
/// </summary>
/// <param name="sender">イベントのソース</param>
/// <param name="e">イベントデータ</param>
private void BackSpaceButton_Click(object sender, EventArgs e)
{
switch (state.GetState())
{
case ConstDefines.CalcState.Initaial:
{
state.InputBackSpaceInitialState();
break;
}
case ConstDefines.CalcState.WaitOperation:
{
state.InputBackSpaceWaitOperationInputState();
break;
}
case ConstDefines.CalcState.WaitNumInputAfterOperation:
{
state.InputBackSpaceWaitNumInputAfterOperationState();
break;
}
case ConstDefines.CalcState.Calulable:
{
state.InputBackSpaceCalculableState();
break;
}
default:
{
state.SetState(ConstDefines.CalcState.Initaial);
break;
}
}
}