/// <summary>
/// Event handler for generate button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void GenerateButton_Click(object sender, EventArgs e)
{
//the following formats the string correctly
string temp = (String)InfixTextBox.Text;
temp = temp.Trim();
temp = Parse(temp); //format
temp = temp.Replace("(", "( ");
temp = temp.Replace(")", " )");
temp = RemoveDuplicateSpaces(temp); //fix spacing further
temp = temp.Trim();
InfixTextBox.Text = temp;
Postfix postfix = new Postfix(temp);
try
{
PostfixTextBox.Text = postfix.Convert();
}
catch (Exception err)
{
MessageBox.Show("Error with expression, check for possible missing parenthesis", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Event handler for index selected changed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void InfixListBox_SelectedIndexChanged(object sender, EventArgs e)
{
Postfix postfix = new Postfix((String)InfixListBox.SelectedItem); //create new postfix item from item selected
InfixTextBox.Text = InfixListBox.SelectedItem.ToString(); //add to textbox
try
{
PostfixTextBox.Text = postfix.Convert();
}
catch (Exception err)
{
MessageBox.Show("Error with expression, check for possible missing parenthesis", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}