ScreenToGif/Controls/DoubleBox.cs

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using System;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace ScreenToGif.Controls
{
    public class DoubleBox : TextBox
    {
        #region Variables

        private bool _ignore;

        #endregion

        #region Dependency Property

        public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register("Maximum", typeof(double), typeof(DoubleBox),
            new FrameworkPropertyMetadata(double.MaxValue, OnMaximumPropertyChanged));

        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register("Value", typeof(double), typeof(DoubleBox),
            new FrameworkPropertyMetadata(0D, OnValuePropertyChanged));

        public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register("Minimum", typeof(double), typeof(DoubleBox),
            new FrameworkPropertyMetadata(0D, OnMinimumPropertyChanged));

        public static readonly DependencyProperty StepProperty = DependencyProperty.Register("StepValue", typeof(double), typeof(DoubleUpDown), 
            new FrameworkPropertyMetadata(1d));

        public static readonly DependencyProperty UpdateOnInputProperty = DependencyProperty.Register("UpdateOnInput", typeof(bool), typeof(DoubleBox),
            new FrameworkPropertyMetadata(false, OnUpdateOnInputPropertyChanged));

        public static readonly DependencyProperty IsObligatoryProperty = DependencyProperty.Register("IsObligatory", typeof(bool), typeof(DoubleBox));

        public static readonly DependencyProperty DefaultValueIfEmptyProperty = DependencyProperty.Register("DefaultValueIfEmpty", typeof(double), typeof(DoubleBox),
            new FrameworkPropertyMetadata(0D));

        #endregion

        #region Properties

        [Bindable(true), Category("Common")]
        public double Maximum
        {
            get { return (double)GetValue(MaximumProperty); }
            set { SetValue(MaximumProperty, value); }
        }

        [Bindable(true), Category("Common")]
        public double Value
        {
            get { return (double)GetValue(ValueProperty); }
            set { SetValue(ValueProperty, value); }
        }