private void addButton_Click(object sender, EventArgs e)
{
if ((this.resultScreen.Contains('+')) || (this.resultScreen.Contains('-')) ||
(this.resultScreen.Contains('x')) || (this.resultScreen.Contains('÷')))
{
this.equalButton_Click(sender, e);
}
if (this.resultLabel.Text.Length <= 14)
{
if (!this.resultScreen.Contains('+'))
{
this.oper = new Sum();
this.result = float.Parse(this.resultScreen, CultureInfo.InvariantCulture.NumberFormat);
this.oper.setResult(this.result);
this.resultScreen = this.resultScreen + "+";
this.resultLabel.Text = this.resultScreen;
}
}
}
public void setOper(Operations oper)
{
this.oper = oper;
}
public Percentage(Operations operation)
{
//Constructor method
this.operation = operation;
}