Working with Thread Exceptions : Application « Development « C# / CSharp Tutorial

Home
C# / CSharp Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statement
5.String
6.struct
7.Class
8.Operator Overload
9.delegate
10.Attribute
11.Data Structure
12.Assembly
13.Date Time
14.Development
15.File Directory Stream
16.Preprocessing Directives
17.Regular Expression
18.Generic
19.Reflection
20.Thread
21.I18N Internationalization
22.LINQ
23.GUI Windows Forms
24.Windows Presentation Foundation
25.Windows Communication Foundation
26.Workflow
27.2D
28.Design Patterns
29.Windows
30.XML
31.XML LINQ
32.ADO.Net
33.Network
34.Directory Services
35.Security
36.unsafe
C# / C Sharp
C# / C Sharp by API
C# / CSharp Open Source
C# / CSharp Tutorial » Development » Application 
14.1.5.Working with Thread Exceptions
using System;
using System.Threading;
using System.Windows.Forms;
   
public class BlockLeftMouseButtonMessageFilter : IMessageFilter
{
    const int WM_LBUTTONDOWN = 0x201;
    
    public bool PreFilterMessage(ref Message m) {
        if(m.Msg == WM_LBUTTONDOWN)
        {
            Exception LeftButtonDownException;
            
            LeftButtonDownException = new Exception("The left mouse button was pressed.");
            Application.OnThreadException(LeftButtonDownException);
            return true;
        }
        return false;
    }
}
   
public class ApplicationEventHandlerClass
{
    public void OnThreadException(object sender, ThreadExceptionEventArgs e)
    {
        Exception LeftButtonDownException;
        
        LeftButtonDownException = e.Exception;
        Console.WriteLine(LeftButtonDownException.Message);
    }
}
   
public class MainForm : Form
{
    public static void Main()
    {
        ApplicationEventHandlerClass AppEvents = new ApplicationEventHandlerClass();
        MainForm MyForm = new MainForm();
        BlockLeftMouseButtonMessageFilter MsgFilter = new BlockLeftMouseButtonMessageFilter();
   
        Application.AddMessageFilter(MsgFilter);
        Application.ThreadException += new ThreadExceptionEventHandler(AppEvents.OnThreadException);
        Application.Run(MyForm);
    }
   
    public MainForm()
    {
        Text = "Application Exception Test";
    }
}
14.1.Application
14.1.1.Application Startup Path
14.1.2.Get CompanyName, ProductName and StartupPath from Application
14.1.3.Application Exit event
14.1.4.Application.AddMessageFilter
14.1.5.Working with Thread Exceptions
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.