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Application.OnThreadException Method

Raises the ThreadException event.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public static void OnThreadException(
	Exception t
)

Parameters

t
Type: System.Exception
An Exception that represents the exception that was thrown.

Call OnThreadException to raise an exception that will halt processing of the application.

The Application class has a ThreadException event. You can attach an event handler to this event to do whatever custom processing you need for unhandled exceptions. If you do not attach an event handler, OnThreadException will execute the default behavior, which involves displaying a dialog box to inform the user that there has been an error.

OnThreadException only implements default exception behavior for unhandled exceptions that occur on threads owned by Windows Forms. Unhandled exceptions on other threads are handled by the UnhandledException event.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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