Calculator.WPF

Language: Hydrogene, Platform: All, Category: Calculator
https://github.com/remobjects/ElementsSamples/tree/master/Hydrogene/All/Calculator/Calculator.WPF

• Calculator.WPF
  • References
    • Elements
    • mscorlib
    • PresentationCore
    • PresentationFramework
    • ReachFramework
    • System
    • System.Data
    • System.Drawing
    • System.Xaml
    • System.Xml
    • UIAutomationProvider
    • UIAutomationTypes
    • WindowsBase
    • System.Core
    • System.Xml.Linq
    • System.Data.DataSetExtensions
  • Source Files
    • App.xaml.cs
    • MainWindow.xaml.cs
    • Properties\AssemblyInfo.cs
    • Properties\Resources.Designer.cs
    • Properties\Settings.Designer.cs
  • Other Files
    • App.xaml
    • MainWindow.xaml
    • Properties\App.ico
    • Properties\Resources.resx
    • Properties\Settings.settings

MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Calculator.Engine;

namespace Calculator.WPF
{
	public partial class MainWindow : Window
	{
		public MainWindow()
		{
			InitializeComponent();
		}

		private void Exit_Clicked(System.Object sender, System.Windows.RoutedEventArgs e)
		{
			Close();
		}

		private void Backspace_Clicked(System.Object sender, System.Windows.RoutedEventArgs e)
		{
			string s = tbValue.Text;

			if (s.Length > 0)
				s = s.Substring(0, s.Length - 1);

			tbValue.Text = s;
			Refocus();
		}

		public void Refocus()
		{
			tbValue.Focus();
			tbValue.SelectionStart = tbValue.Text.Length;
		}

		private void Evaluate_Clicked(System.Object sender, System.Windows.RoutedEventArgs e)
		{
			try
			{
				var eval = new Evaluator();
				var res = eval.Evaluate(tbValue.Text);
				tbValue.Text = res.ToString(System.Globalization.CultureInfo.InvariantCulture);
			}
			catch (Exception ex)
			{
				MessageBox.Show("Error evaluating: " + ex.Message);
			}

			Refocus();
		}

		private void Text_Clicked(System.Object sender, System.Windows.RoutedEventArgs e)
		{
			tbValue.Text = tbValue.Text + (sender as Button).Content.ToString();
			Refocus();
		}

   }
}