private void OnCalculate(Object sender, EventArgs e)
{
this.Multiplication.BackgroundColor = Color.Gray;
this.Division.BackgroundColor = Color.Gray;
this.Addition.BackgroundColor = Color.Gray;
this.Subtraction.BackgroundColor = Color.Gray;
if (currentState == 2)
{
var result = OperaterHelper.Calculate(firstNumber, secondNumber, myoperator);
this.resultText.Text = result.ToString();
OnSelectDot(this.resultText.Text);
firstNumber = result;
currentState = -1;
}
}
void OnSelectOperator(Object sender, EventArgs e)
{
Button button = (Button)sender;
string pressed = button.Text;
myoperator = pressed;
if (pressed == "X")
{
this.Multiplication.BackgroundColor = Color.Orange;
this.Division.BackgroundColor = Color.Gray;
this.Addition.BackgroundColor = Color.Gray;
this.Subtraction.BackgroundColor = Color.Gray;
}
if (pressed == "/")
{
this.Multiplication.BackgroundColor = Color.Gray;
this.Division.BackgroundColor = Color.Orange;
this.Addition.BackgroundColor = Color.Gray;
this.Subtraction.BackgroundColor = Color.Gray;
}
if (pressed == "-")
{
this.Multiplication.BackgroundColor = Color.Gray;
this.Division.BackgroundColor = Color.Gray;
this.Addition.BackgroundColor = Color.Gray;
this.Subtraction.BackgroundColor = Color.Orange;
}
if (pressed == "+")
{
this.Multiplication.BackgroundColor = Color.Gray;
this.Division.BackgroundColor = Color.Gray;
this.Addition.BackgroundColor = Color.Orange;
this.Subtraction.BackgroundColor = Color.Gray;
}
if (currentState == 2)
{
var result = OperaterHelper.Calculate(firstNumber, secondNumber, myoperator);
this.resultText.Text = result.ToString();
//OnSelectComma(this.resultText.Text);
firstNumber = result;
}
currentState = -2;
if (str0.Length == 0)
{
if (myoperator == "-")
{
if (this.resultText.Text == "0" || currentState < 0)
{
this.resultText.Text = "";
if (currentState < 0)
{
currentState *= -1;
}
}
this.resultText.Text += myoperator;
currentState = 1;
}
else
{
currentState = -2;
}
}
d = 0;
}