wol/WoL/Waker/MainForm.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WakeOnLan;

namespace Waker
{
	public partial class MainForm : Form
	{
		private string ip;
		private string mac;

		public MainForm()
		{
			InitializeComponent();
			InitInstance();
		}

		private void InitInstance()
		{
			if (string.IsNullOrEmpty(Settings.Default.ip))
				ip = Settings.Default.ip;

			if (string.IsNullOrEmpty(Settings.Default.mac))
				mac = Settings.Default.mac;

			AddressTextBox.KeyUp += TextBox_KeyUp;
			MacTextBox.KeyUp += TextBox_KeyUp;
		}

		private void TextBox_KeyUp(object sender, KeyEventArgs e)
		{
			if (e.KeyCode != Keys.Enter)
				return;

			WakeButton_Click(sender, e);
		}

		private bool GetInformation()
		{
			ip = AddressTextBox.Text;
			mac = MacTextBox.Text;

			if (string.IsNullOrEmpty(ip) || string.IsNullOrEmpty(mac))
				return false;

			Settings.Default.ip = ip;
			Settings.Default.mac = mac;
			Settings.Default.Save();

			return true;
		}

		private void WakeButton_Click(object sender, EventArgs e)
		{
			if (!GetInformation())
			{
				MessageBox.Show("Invalid information");
				return;
			}

			WoL.Wake(ip, mac);
		}
	}
}