odalet

using System;
using System.Linq;

namespace Rextester
{
    // See https://csharp.2000things.com/tag/captured-variable/
    internal static class Program
    {
        public static void Main(string[] args)
        {

odalet

using System;
using System.Runtime.InteropServices;

// https://stackoverflow.com/questions/66002667/pinvoking-user32-dll-setwindowcompositionattribute-via-powershell
public static class NativeMethods
{
    [DllImport("user32.dll")]
    public static extern bool SetForegroundWindow(IntPtr hWnd);

    [DllImport("user32.dll")]

odalet

#if !IMAGESHARP_V2
using System;
using System.Collections.Generic;
using System.Numerics;
#endif
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Drawing;

namespace RoundedRectangleTest
{

odalet

// First attempt
public static Bitmap GetBitmapFromHBitmap_1(IntPtr nativeHBitmap)
{
    var bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(
        nativeHBitmap, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());

    // There were missing parentheses here (they are important because this is integer arithmetic.
    // Also worth noting, the code below only supports 32bpp images. In this case, stride
    // is always equal to width, so a micro-optim would be to not compute the stride.
    var stride = 4 * ((bitmapSource.PixelWidth * bitmapSource.Format.BitsPerPixel + 31) / 32);