public void Functions()
{
var ctx = new MyFunctionContext();
Assert.AreEqual(Parser.Parse("rectArea(10,20)").Eval(ctx), 200);
Assert.AreEqual(Parser.Parse("rectPerimeter(10,20)").Eval(ctx), 60);
}
private void textChangedEventHandler(object sender, TextChangedEventArgs args)
{
TextBox currentTextBox = sender as TextBox;
Grid targetGrid = UIHelper.FindVisualParent <Grid>(currentTextBox);
Button targetButton = UIHelper.FindChild <Button>(targetGrid, "OutputBox");
targetButton.Content = currentTextBox.Text;
string tex;
var ctx = new MyFunctionContext();
//lib
try
{
// need to set up library
tex = Parser.Parse(currentTextBox.Text).Eval(ctx).ToString();
}
catch (Exception)
{
tex = "error";
}
targetButton.Content = tex;
}
