// This Source Code is partially based on the source code provided by the .NET Foundation.

// ReSharper disable once CheckNamespace
namespace WPFluent.Controls;



public delegate void NumberBoxValueChangedEvent(object sender, NumberBoxValueChangedEventArgs args);

/// <summary>
/// Provides information for the <see cref="NumberBox.ValueChanged"/> event.
/// </summary>
public class NumberBoxValueChangedEventArgs : RoutedEventArgs
{
    /// <summary>
    /// Initializes a new instance of the <see cref="NumberBoxValueChangedEventArgs"/> class. />
    /// </summary>
    /// <param name="oldValue">
    /// The value of the <see cref="NumberBox.Value"/> property before the change reported by the relevant event or
    /// state change.
    /// </param>
    /// <param name="newValue">
    /// The value of the <see cref="NumberBox.Value"/> property after the change reported by the relevant event or state
    /// change.
    /// </param>
    /// <param name="source">
    /// An alternate source that will be reported when the event is handled. This pre-populates the <see
    /// cref="RoutedEventArgs.Source"/> property.
    /// </param>
    internal NumberBoxValueChangedEventArgs(double? oldValue, double? newValue, object source) : base(
        NumberBox.ValueChangedEvent,
        source)
    {
        OldValue = oldValue;
        NewValue = newValue;
    }

    /// <summary>
    /// Gets the value of the <see cref="NumberBox.Value"/> property after the change.
    /// </summary>
    /// <returns>The property value after the change.</returns>
    public double? NewValue { get; private set; }

    /// <summary>
    /// Gets the value of the <see cref="NumberBox.Value"/> property before the change.
    /// </summary>
    /// <returns>The property value before the change.</returns>
    public double? OldValue { get; private set; }
}