an error...hmm

[PT Exorcist]

error line(the second line)

            devFunctions dFunction = new devFunctions();

dFunction.receivedData += new LiNG_BiNG.Classes.devFunctions.receivedWebData(receivedPicture); 

        private void receivedPicture(byte[] data)
        {
            MemoryStream mS = new MemoryStream(data);
            this.Image = Image.FromStream(mS);
        } 

    public class devFunctions
    {
        /// <summary>
        /// Gets the max number of Columns a devTab can get without spacing between pictures
        /// </summary>
        /// <param name="widthOfPictures">The size in pixels of the picture</param>
        /// <param name="widthOfTab">The size in pixels of the devTab</param>
        public static int getNumberOfColumns(int widthOfPictures, int widthOfTab)
        {
            double res = (double)widthOfTab / (double)(widthOfPictures);
            return (int)Math.Floor(res);
        }

        /// <summary>
        /// Gets the width in Pixels of each one of the borders of a devTab
        /// </summary>
        /// <param name="numberOfPictures">Number of pictures being populated into the devTab</param>
        /// <param name="widthOfPictures">Width in pixels of the pictures being used</param>
        /// <param name="widthOfTab">Width in pixels of the devTab being used</param>
        public static int getSizeOfBorders(int numberOfPictures, int widthOfPictures, int widthOfTab)
        {
            int res = numberOfPictures * widthOfPictures;
            return (widthOfTab - res) / 2;
        }

        /// <summary>
        /// Delegate for receiving data through downloadData() function
        /// </summary>
        public delegate void receivedWebData(byte[] data);

        /// <summary>
        /// Event that fires when web data is received from downloadData() function
        /// </summary>
        public event receivedWebData receivedData;

        public string downloadURL;

        /// <summary>
        /// Downloads an text or binary file from the internet
        /// </summary>
        /// <param name="url">The url of the file to be downloaded</param>
        public void downloadData(string url)
        {
            try
            {
                downloadURL = url;
                System.Threading.Thread thread =
                    new Thread(new System.Threading.ThreadStart(downloaddata));
            }
            catch (Exception e)
            {
                string err = "There was an error while creating a new thread\n" + e.Message;
                throw (new Exception(err));
            }
        }

        private void downloaddata()
        {
            WebClient web = new WebClient();
            receivedData(web.DownloadData(downloadURL));
        }
    } 

error:
C:\Documents and Settings\JBRANCO\My Documents\Visual Studio Projects\LiNG BiNG\Classes\devButton.cs(95): Cannot access a nonstatic member of outer type 'LiNG_BiNG.Classes.devButton' via nested type 'LiNG_BiNG.Classes.devButton.devButtonOptions'


i am not getting the problem here..any help

[DevGrp]

Everything seems ok. Post the code for devButton and devButtonOptions. I think thats where the problem is.

[PT Exorcist]

using System;
using LiNG_BiNG.Classes;

namespace LiNG_BiNG.Classes
{
    public class devOptions
    {
        private devTab _parent = null;

        private int        _pictureWidth = 115;
        private int        _pictureHeight = 115;
        private bool    _canDownloadPicture = true;

        #region Set's \ Get's

        /// <summary>
        /// Gets / Sets the picture width
        /// </summary>
        public int pictureWidth
        {
            get
            {
                return _pictureWidth;
            }
            set
            {
                _pictureWidth = value;
            }
        }

        /// <summary>
        /// Gets / Set the picture height
        /// </summary>
        public int pictureHeight
        {
            get
            {
                return _pictureHeight;
            }
            set
            {
                _pictureHeight = value;
            }
        }

        /// <summary>
        /// Sets if the picture can download it's thumbnail
        /// </summary>
        public bool canDownloadPicture
        {
            get
            {
                return _canDownloadPicture;
            }
            set
            {
                _canDownloadPicture = value;
            }
        }

        #endregion

        #region Constructor

        public devOptions(devTab parent)
        {
            this._parent = parent;
        }

        public devOptions(devTab parent, int width, int height)
        {
            this._parent = parent;
            _pictureWidth = width;
            _pictureHeight = height;
        }

        public devOptions(devTab parent, int width, int height, bool canDownload)
        {
            this._parent = parent;
            _pictureWidth = width;
            _pictureHeight = height;
            _canDownloadPicture = canDownload;
        }

        #endregion

    }
} 

[PT Exorcist]

button:

using System;
using System.IO;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
using LiNG_BiNG.Classes;

namespace LiNG_BiNG.Classes
{
    public class devButton : Button 
    {
        #region Vars

        private devButtonOptions _devOptions = null;

        public devButtonOptions devOptions
        {
            get
            {
                return _devOptions;
            }
        }

        public class devButtonOptions
        {
            private devButton    _parent                = null;
            private string        _urlOfThumbnail        ;
            private string        _urlOfFullPicture    ;
            private bool        _hasImage            = false;
            private bool        _isDownloading        = false;

            /// <summary>
            /// Gets the url of the thumbnail version picture
            /// </summary>
            public string urlOfThumbnail
            {
                get
                {
                    return _urlOfThumbnail;
                }
            }

            /// <summary>
            /// Gets the url of the full size picture
            /// </summary>
            public string urlOfFullPicture
            {
                get
                {
                    return _urlOfFullPicture;
                }
                set
                {
                    _urlOfFullPicture = value;
                }
            }

            /// <summary>
            /// Gets if the current button has an image
            /// </summary>
            public bool hasImage
            {
                get
                {
                    return _hasImage;
                }
            }

            /// <summary>
            /// Gets if the picture is being downloaded or not
            /// </summary>
            public bool isDownloading
            {
                get
                {
                    return _isDownloading;
                }
            }

            public devButtonOptions(devButton parent)
            {
                this._parent = parent;
            }

            devFunctions dFunction = new devFunctions();

            public void downloadPicture(string url)
            {
                try
                {
                    this._isDownloading = true;
                    this._urlOfThumbnail = url;
                    dFunction.downloadData(url);
                    dFunction.receivedData +=
                        new LiNG_BiNG.Classes.devFunctions.receivedWebData(receivedPicture);
                    this._hasImage = true;
                }
                catch (Exception e)
                {
                    string error = "There was an error in downloadPicture(string url)\n" + e.Message;
                    throw (new ArgumentException(error,error));
                }
            }
        }

        #endregion

        #region Constructors
        public devButton()
        {
            _devOptions = new devButtonOptions(this);
            this.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
            this.Size = new System.Drawing.Size(115, 115);
            this.Click += new EventHandler(button_click);
        }

        public devButton(string text, string url)
        {
            _devOptions = new devButtonOptions(this);
            this.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
            this.Size = new System.Drawing.Size(115, 115);
            this.Text = text;
            this.devOptions.downloadPicture(url);

            this.Click += new EventHandler(button_click);
        }
        #endregion

        private void button_click(object sender, EventArgs e)
        {
            if (this.BackColor != SystemColors.ControlDarkDark)
            {
                this.BackColor = SystemColors.ControlDarkDark;
            }
            else
            {
                this.BackColor = SystemColors.Control;
            }
        }

        private void receivedPicture(byte[] data)
        {
            MemoryStream mS = new MemoryStream(data);
            this.Image = Image.FromStream(mS);
        }
    }
} 

[PT Exorcist]

doh im such a dumb! that eventhandler was refering to a function outside the class! msdn help rlz anyways without the class view i couldnt never get there i think..lol tks anyways devgrp

[DevGrp]

Cool