❔ How to connect events

using Microsoft.Maui.Graphics.Skia;

using SkiaSharp;
using SkiaSharp.Views.Maui;
using SkiaSharp.Views.Maui.Controls;
using System;

namespace OpenGLTest;

public partial class OGLWidget : SKGLView, ISKGLViewController
{
    protected GRContext glContext;
    protected SKSize canvasSize = new SKSize(640, 480);

    protected SKCanvas canvas;
    protected SKImageInfo info;
    protected SKRect drawRect;
    protected SKSurface surface;

    public OGLWidget() : base()
    {
    }

    public SKSize GetCanvasSize(GetPropertyValueEventArgs<SKSize> args)
    {
        return canvasSize;
    }

    public GRContext GetGRContext(GetPropertyValueEventArgs<GRContext> args)
    {
        return glContext;
    }

    protected override void OnPaintSurface(SKPaintGLSurfaceEventArgs args)
    {
        // call the base method
        base.OnPaintSurface(args);

        ICanvas icanvas = new SkiaCanvas() { Canvas = args.Surface.Canvas };
        icanvas.EnableDefaultShadow(1.0f);

        surface = args.Surface;
        drawRect = new SKRect(0, 0, info.Width, info.Height);

        canvas = surface.Canvas;

        // draw on the canvas

        canvas.Flush();
    }

    protected override void OnTouch(SKTouchEventArgs e)
    {
        base.OnTouch(e);
    }
}

using Microsoft.Maui.Graphics.Skia;

using SkiaSharp;
using SkiaSharp.Views.Maui;
using SkiaSharp.Views.Maui.Controls;
using System;

namespace OpenGLTest;

public partial class OGLWidget : SKGLView, ISKGLViewController
{
    protected GRContext glContext;
    protected SKSize canvasSize = new SKSize(640, 480);

    protected SKCanvas canvas;
    protected SKImageInfo info;
    protected SKRect drawRect;
    protected SKSurface surface;

    public OGLWidget() : base()
    {
    }

    public SKSize GetCanvasSize(GetPropertyValueEventArgs<SKSize> args)
    {
        return canvasSize;
    }

    public GRContext GetGRContext(GetPropertyValueEventArgs<GRContext> args)
    {
        return glContext;
    }

    protected override void OnPaintSurface(SKPaintGLSurfaceEventArgs args)
    {
        // call the base method
        base.OnPaintSurface(args);

        ICanvas icanvas = new SkiaCanvas() { Canvas = args.Surface.Canvas };
        icanvas.EnableDefaultShadow(1.0f);

        surface = args.Surface;
        drawRect = new SKRect(0, 0, info.Width, info.Height);

        canvas = surface.Canvas;

        // draw on the canvas

        canvas.Flush();
    }

    protected override void OnTouch(SKTouchEventArgs e)
    {
        base.OnTouch(e);
    }
}