private void updatePlot()
{
try
{
var func = FunctionParser.CreateFunction(entry2.Text);
double x0 = spinbutton3.Value;
double h = spinbutton4.Value;
int count = (int)spinbutton5.Value;
drawPlot(func, x0, h, count);
}
catch (Exception e)
{
var dialog = new MessageDialog(this,
DialogFlags.DestroyWithParent,
MessageType.Error,
ButtonsType.Close,
e.Message);
dialog.Title = "Ошибка";
dialog.Run();
dialog.Destroy();
}
}