Windows-Dialog-Box-Generator/IconSymbol.cs at main · FireBlade211/Windows-Dialog-Box-Generator · GitHub

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using FireBlade.WinInteropUtils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Data;
using System.Drawing;
using System.Drawing.Design;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Windows_Dialog_Box_Generator
{
    public partial class IconSymbol : UserControl
    {
        private Symbol _sym;
        private Image? _lastImage;

        public Symbol Icon
        {
            get => _sym;
            set
            {
                if (!Enum.IsDefined(typeof(Symbol), value))
                    throw new InvalidEnumArgumentException(nameof(value), (int)value, typeof(Symbol));

                _sym = value;

                // Remove the old image.
                pictureBox1.Image = null;

                _lastImage?.Dispose();

                // Create and assign the new image.
                _lastImage = (value switch
                {
                    Symbol.Information => StockIconHelper.GetIcon(StockIcon.Information, StockIconOptions.SmallIcon),
                    Symbol.Warning => StockIconHelper.GetIcon(StockIcon.Warning, StockIconOptions.SmallIcon),
                    Symbol.Error => StockIconHelper.GetIcon(StockIcon.Error, StockIconOptions.SmallIcon),
                    Symbol.Help => StockIconHelper.GetIcon(StockIcon.Help, StockIconOptions.SmallIcon),
                    _ => null
                })?.ToBitmap();

                pictureBox1.Image = _lastImage;

                // Change the icon of the tooltip to match.
                toolTip1.ToolTipIcon = value switch
                {
                    Symbol.Information => ToolTipIcon.Info,
                    Symbol.Warning => ToolTipIcon.Warning,
                    Symbol.Error => ToolTipIcon.Error,
                    _ => ToolTipIcon.None
                };
            }
        }

        private string _tip = string.Empty;

        [Editor(typeof(MultilineStringEditor), typeof(UITypeEditor))]
        public string ToolTipText
        {
            get => _tip;
            set
            {
                _tip = value;
                toolTip1.SetToolTip(pictureBox1, value);
            }
        }

        private string _tipTitle = string.Empty;

        public string ToolTipTitle
        {
            get => _tipTitle;
            set
            {
                _tipTitle = value;
                toolTip1.ToolTipTitle = value;
            }
        }

        public IconSymbol()
        {
            InitializeComponent();
        }

        protected override void OnHandleDestroyed(EventArgs e)
        {
            base.OnHandleDestroyed(e);

            pictureBox1.Image = null;

            _lastImage?.Dispose();
            _lastImage = null;
        }

        protected override void OnHandleCreated(EventArgs e)
        {
            base.OnHandleCreated(e);

            Icon = Icon;
        }

        public enum Symbol
        {
            Information,
            Warning,
            Error,
            Help
        }
    }
}