Morten Billedviser Problem

Forms1.cs

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

// inspireret af http://www.c-sharpcorner.com/forums/faster-picturebox-loading-or-alternatives
// og https://msdn.microsoft.com/en-us/library/k0fsyd4e(v=vs.110).aspx
// 

namespace MortensBilledViserproblem
{
    public partial class Form1: Form
    {

        Bitmap bitmap, img;
        Graphics bmpgraphic;

        public Form1()
        {
            InitializeComponent();
            backgroundWorker1.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker1_RunWorkerCompleted);
        }

        private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
        {
            if (img != null)
            {
                img.Dispose();
            }
            if (bitmap != null)
            {
                bitmap.Dispose();
            }
            if (bmpgraphic != null)
            {
                bmpgraphic.Dispose();
            }

            bitmap = new Bitmap(pictureBox1.Width, pictureBox1.Height, System.Drawing.Imaging.PixelFormat.Format64bppPArgb); // Where w is your width for all your images! Also the height.
            bmpgraphic = Graphics.FromImage(bitmap); // This is the connection between the Graphic and the Bitmap! Very important

            bmpgraphic.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;
            bmpgraphic.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.GammaCorrected;
            bmpgraphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;

            //for (i = 0; i < imagecount; i++)
            //{
                //set actual image
                img = new Bitmap("drone.jpg");

                bmpgraphic.DrawImage(
                    img,
                    new RectangleF(0, 0, pictureBox1.Width, pictureBox1.Height),
                    new RectangleF(0, 0, img.Width, img.Height),
                    GraphicsUnit.Pixel ); 
            //}
        }

        private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            pictureBox1.Image = bitmap;
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
            backgroundWorker1.RunWorkerAsync();
        }
    }
}

Ikk @s0ren