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Hide unhandled exception dialog

Posted By:Pankaj Mishra       Posted Date: June 26, 2009    Points: 25    Category: Bugs & Resolutions    URL: http://www.dotnetspark.com  

Hide unhandled exception dialog.

Sometimes we see unhandled exception dialog box with comment "unhandled exception has occurred in your application" with three options Details, Continue and Quit options  in .NET application when use threading, or uses com component in our applciation. If you click on Continue the application will ignore the error and run smoothly.

So whats the solution?

Well the best way to figure out what causes the unhandled exception and try to resolve it.
But there is other way to hide unhandled dialog box using registry settings.

Manually you can change the registry and the registry path is


"DbgJITDebugLaunchSetting" and set it value to 1 (By default it will be 16)
Once you set the value to 1 you will not able to see the unhandled dialog box again

If you want to set this value programmatically here is the code

C# Example

string registry_path = @"Software\Microsoft\.NETFramework\";
using (RegistryKey regKey = Registry.LocalMachine.OpenSubKey(registry_path, true))
if (regKey != null)
"DbgJITDebugLaunchSetting", 1);

VB.Net Code Sample

Dim registry_path As String = "Software\Microsoft\.NETFramework\"

Using regKey As RegistryKey = Registry.LocalMachine.OpenSubKey(registry_path, True)   
If regKey IsNot Nothing Then
        regKey.SetValue("DbgJITDebugLaunchSetting", 1)
    End If
End Using

Hope this will help all who wants to hide Hide unhandled exception dialog


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