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";
}
}
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