/// ------------------------------------------------------------------------------------
/// <summary>
/// Set exception handler. Needs to be done before we create splash screen (don't
/// understand why, but otherwise some exceptions don't get caught).
/// </summary>
/// ------------------------------------------------------------------------------------
public FatalExceptionHandler()
{
// We need to create a WinFormsExceptionHandler so that if we ever need to use the fallback
// SIL.Reporting.ErrorReport system it has a valid ControlOnUIThread prop.
// Creating the object is enough to solve this problem. We keep a reference so it gets collected
// when we go away.
// Passing false keeps the WinForms handler from responding to exceptions, so we don't get two
// handlers vying for who gets to report an error.
_fallbackHandler = new WinFormsExceptionHandler(false);
UseFallback = true;
// We need to create a control on the UI thread so that we have a control that we
// can use to invoke the error reporting dialog on the correct thread.
ControlOnUIThread = new Control();
ControlOnUIThread.CreateControl();
// Using Application.ThreadException rather than
// AppDomain.CurrentDomain.UnhandledException has the advantage that the
// program doesn't necessarily end - we can ignore the exception and continue.
Application.ThreadException += HandleTopLevelError;
// We also want to catch the UnhandledExceptions for all the cases that
// ThreadException don't catch, e.g. in the startup.
AppDomain.CurrentDomain.UnhandledException += HandleUnhandledException;
}
