public string SetInputBuffer()
{
if (_StateOfCalculated && _TxtOfLastButton == "=")
{
ResetState();
}
if (_TxtOfLastButton == "=")
{
ResetState();
}
if (_StateOperatorInputted)
{
_StateOperatorInputted = false;
_numberInputtingBuffer = new NumberInputtingBuffer();
}
_StateOfNumberInputting = true;
if (_BtnText == "." && _numberInputtingBuffer.GetValue != null && _numberInputtingBuffer.GetValue.Contains("."))
{
return(_numberInputtingBuffer.GetValue);
}
string inputEcho = _numberInputtingBuffer.Append(_BtnText);
_inputtingEcho.Clear().Append(inputEcho);
_TxtOfLastButton = _BtnText;
return(inputEcho);
}
public void ResetState()
{
_StateOfNumberInputting = false;
_StateOfNumberInputted = false;
_StateOperatorInputted = false;
_StateOfCalculated = false;
_TxtOfLastButton = string.Empty;
_LastNumber = 0d;
_numberInputtingBuffer = new NumberInputtingBuffer();
_inputtingEcho = new StringBuilder();
_inputtedRecorder = new StringBuilder();
_numberStack = new Stack <double>();
_operatorSatck = new Stack <string>();
_resultStack = new Stack <double>();
}