Created
March 14, 2017 15:39
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Error handling
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using System; | |
using System.Collections.Generic; | |
using System.ComponentModel; | |
using System.Data; | |
using System.Drawing; | |
using System.Dynamic; | |
using System.Globalization; | |
using System.Linq; | |
using System.Runtime.ExceptionServices; | |
using System.Text; | |
using System.Threading.Tasks; | |
using System.Windows.Forms; | |
namespace WindowsFormsApplication1 { | |
public partial class Form1 : Form { | |
public Form1() { | |
InitializeComponent(); | |
var magicObject = new Device(); | |
AppDomain.CurrentDomain.FirstChanceException += | |
(object source, FirstChanceExceptionEventArgs e) => | |
{ | |
var target = e.Exception.TargetSite; | |
if (target == null) return; | |
if (target.DeclaringType != typeof(Device)) return; | |
Console.WriteLine("FirstChanceException event raised in {0}: {1}", | |
AppDomain.CurrentDomain.FriendlyName, e.Exception.Message); | |
}; | |
propertyGrid1.SelectedObject = magicObject; | |
} | |
} | |
public class Device { | |
public string Info | |
{ | |
set { throw new ArgumentException(); } | |
get { return ""; } | |
} | |
} | |
internal static class Magic { | |
public static object HandlePropertyExceptions(object obj) { | |
dynamic outObj = new ExpandoObject(); | |
outObj.get_First = new Func<string>(() => "e"); | |
outObj.set_First = new Action<string>(p => { }); | |
outObj.Second = "blue"; | |
return outObj; | |
} | |
} | |
} |
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