LabeledPictureBox control for Windows Forms

LabeledPictureBox.cs

using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;

// Winfows Forms picture box that shows a hovering label in the centre

namespace WinFormsImage
{
    public class LabeledPictureBox : PictureBox
    {
        private string _labelText = "Label";
        private Color _labelColor = Color.White;
        private Font _labelFont = new Font("Arial", 14F, FontStyle.Bold);

        protected override void OnPaint(PaintEventArgs pe)
        {
            base.OnPaint(pe);

            if (!String.IsNullOrWhiteSpace(_labelText))
            {
                var labelSize = pe.Graphics.MeasureString(_labelText, _labelFont);
                int centerX = (Size.Width - Convert.ToInt32(labelSize.Width)) / 2;
                int centerY = (Size.Height - Convert.ToInt32(labelSize.Height)) / 2;

                TextRenderer.DrawText(pe.Graphics, _labelText,_labelFont, 
                    new Point(centerX, centerY), _labelColor);
            }
        }

        [Category("Hovering Label")]
        [Browsable(true)]
        public string LabelText
        {
            get { return _labelText; }
            set
            {
                if (!Equals(_labelText, value))
                {
                    _labelText = value;
                    OnLabelTextChanged();
                }
            }
        }

        [Category("Hovering Label")]
        [Browsable(true)]
        public Color LabelColor
        {
            get { return _labelColor; }
            set
            {
                if (!Equals(_labelColor, value))
                {
                    _labelColor = value;
                    OnLabelColorChanged();
                }
            }
        }

        [Category("Hovering Label")]
        [Browsable(true)]
        public Font LabelFont
        {
            get { return _labelFont; }
            set
            {
                if (!Equals(_labelFont, value))
                {
                    _labelFont = value;
                    OnLabelFontChanged();
                }
            }
        }


        public event EventHandler LabelTextChanged;
        public event EventHandler LabelColorChanged;
        public event EventHandler LabelFontChanged;

        protected virtual void OnLabelTextChanged()
        {
            LabelTextChanged?.Invoke(this, EventArgs.Empty);
            Refresh();
        }

        protected virtual void OnLabelColorChanged()
        {
            LabelColorChanged?.Invoke(this, EventArgs.Empty);
            Refresh();
        }

        protected virtual void OnLabelFontChanged()
        {
            LabelFontChanged?.Invoke(this, EventArgs.Empty);
            Refresh();
        }
    }
}