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# syno-vpn-keepalive.sh 
# ---
# Script to keep VPN alive on Synology DSM. 
# Checks if IP is pingable and if not:
#  disconnect VPN, reconnect VPN & add routes
# ---
# Modify vars: 
# - CHECKIP: IP to check to be pingable before reconnecting VPN
# - NAME (Synology VPN name), 
# - ID (Synology VPN ID), SSH to NAS & run this to find ID

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using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;

public partial class CustomUserControlView : UserControl, INotifyPropertyChanged
{
    public CustomUserControlView()
    {
        InitializeComponent();
    }

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using System;
using System.Windows.Input;

public class RelayCommand : ICommand
{
    private Action<object> _execute;
    private Func<object, bool> _canExecute;

    public event EventHandler CanExecuteChanged
    {

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using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;

public abstract class ObservableObject : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged;

    protected void OnPropertyChanged([CallerMemberName] string name = null)
    {

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[DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        static extern bool GetCursorPos(ref Win32Point pt);

[StructLayout(LayoutKind.Sequential)]
struct Win32Point
{
    public Int32 X;
    public Int32 Y;
};

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public sealed class EditableProperty<T> : EditablePropertyBase<T> where T : IComparable
    {
        protected override Dictionary<Func<bool>, T> ValidationRules { get; } = new Dictionary<Func<bool>, T>();

        public EditableProperty() 
            : base(default(T)) 
        {
        }

        public EditableProperty(T value)