linear-app-launcher/RyzStudio/Windows/Forms/TImageBox.cs

using System;
using System.ComponentModel;
using System.Drawing;

namespace RyzStudio.Windows.Forms
{
    public class TImageBox : System.Windows.Forms.PictureBox
    {
        public TImageBox() : base()
        {
            this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
            this.ErrorImage = null;
            this.InitialImage = null;
            this.SizeMode = System.Windows.Forms.PictureBoxSizeMode.CenterImage;
        }

        protected override void OnCreateControl()
        {
            OnMouseLeave(null);

            base.OnCreateControl();
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
        public new Image Image { get => base.Image; set => base.Image = value; }

        [Category("Appearance"), Browsable(true)]
        public Image NormalImage { get; set; }

        [Category("Appearance"), Browsable(true)]
        public Image HighlightImage { get; set; }

        protected override void OnMouseEnter(EventArgs e)
        {
            this.Image = this.HighlightImage;

            base.OnMouseEnter(e);
        }

        protected override void OnMouseLeave(EventArgs e)
        {
            this.Image = this.NormalImage;

            base.OnMouseLeave(e);
        }

        protected override void OnLostFocus(EventArgs e)
        {
            this.Image = this.NormalImage;

            base.OnLostFocus(e);
        }
    }
}