A Simple AI-Generated Program to display an image encoded into a Base64 string to the screen.

gistfile1.txt

using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;

class ImageReceiver : Form
{
    PictureBox displayBox;
    TextBox inputBox;

    public ImageReceiver()
    {
        Text = "Base64 Image Portal";
        ClientSize = new Size(400, 450);

        // Image display area
        displayBox = new PictureBox
        {
            Size = new Size(320, 320),
            Location = new Point(40, 20),
            BorderStyle = BorderStyle.FixedSingle,
            SizeMode = PictureBoxSizeMode.Zoom
        };

        // Input area
        inputBox = new TextBox
        {
            Multiline = true,
            Size = new Size(320, 50),
            Location = new Point(40, 350)
        };

        // Decode button
        var decodeBtn = new Button
        {
            Text = "Decode Image",
            Location = new Point(140, 410)
        };
        decodeBtn.Click += (s, e) => DecodeBase64Image();

        Controls.AddRange(new Control[]{
            displayBox, inputBox, decodeBtn
        });
    }

    void DecodeBase64Image()
    {
        try
        {
            byte[] bytes = Convert.FromBase64String(inputBox.Text);
            using (var ms = new MemoryStream(bytes))
            {
                displayBox.Image = new Bitmap(ms);
            }
        }
        catch (Exception ex)
        {
            MessageBox.Show($"Decoding failed:\n{ex.Message}");
        }
    }
}