ExceptionDialog.cs

using System;
using System.Collections.Generic;
using System.Windows.Forms;
 
namespace be.gaudry.view.dialogs
{
    public partial class ExceptionDialog : Form
    {
        #region declarations and constructors
        private static ExceptionDialog dialog = new ExceptionDialog();
 
        private ExceptionDialog()
        {
            InitializeComponent();
        }
        private ExceptionDialog(Exception e)
            : this()
        {
            setException(e, 1);
        }
        public ExceptionDialog(List<Exception> exs)
            : this()
        {
            int i = 0;
            foreach (Exception e in exs)
            {
                setException(e, ++i);
            }
        } 
        #endregion
 
        #region private methods
        private void displayStackBtn_Click(object sender, EventArgs e)
        {
            messageLbl.Visible = false;
            stackTraceRTB.Visible = true;
            displayStackBtn.Visible = false;
        }
        private void setException(Exception e, int i)
        {
            if (e != null)
            {
                messageLbl.Text += string.Format("Erreur n°{0} : {1}{2}", i, e.Message, "\n\r");
 
                stackTraceRTB.AppendText(string.Format("\n\rException n°{0}\n\r", i));
                stackTraceRTB.SelectionColor = System.Drawing.Color.Red;
                stackTraceRTB.AppendText(e.Message);
                stackTraceRTB.SelectionColor = System.Drawing.Color.Black;
 
                if (e.Source != null)
                {
                    stackTraceRTB.AppendText("\n\rdans  ");
                    stackTraceRTB.SelectionColor = System.Drawing.Color.Red;
                    stackTraceRTB.AppendText(e.Source);
                    stackTraceRTB.SelectionColor = System.Drawing.Color.Black;
                }
                if (e.TargetSite != null)
                {
                    stackTraceRTB.AppendText("\n\rdans la méthode ");
                    stackTraceRTB.SelectionColor = System.Drawing.Color.Red;
                    stackTraceRTB.AppendText(e.TargetSite.Name);
                    stackTraceRTB.SelectionColor = System.Drawing.Color.Black;
                }
 
                if (e.StackTrace != null)
                {
                    stackTraceRTB.AppendText(e.StackTrace);
                }
                displayStackBtn.Visible = true;
            }
        }
 
        private void okBtn_Click(object sender, EventArgs e)
        {
            this.Close();
        } 
        #endregion
 
        #region static methods
        public static void ShowDialog(Exception e, Form dialogOwner)
        {
            dialog.Text = "Erreur";
            dialog.messageLbl.Text = "";
            dialog.stackTraceRTB.Clear();
            dialog.setException(e, 1);
            if (dialogOwner != null)
            {
                dialog.ShowDialog(dialogOwner);
            }
            else
            {
                dialog.ShowDialog();
            }
        }
        public static void ShowDialog(string title, string message, Exception e, Form dialogOwner)
        {
            dialog.Text = title;
            dialog.messageLbl.Text = message;
            dialog.stackTraceRTB.Clear();
            dialog.setException(e, 1);
            if (dialogOwner != null)
            {
                dialog.ShowDialog(dialogOwner);
            }
            else
            {
                dialog.ShowDialog();
            }
        } 
        #endregion
    }
}