/// <summary>
/// Handles exceptions at the rendering subsystem.
/// </summary>
/// <param name="sender">The event source.</param>
/// <param name="e">The event arguments.</param>
public void HandleRenderException(object sender, RelayExceptionEventArgs e)
{
if (e.Exception != null)
{
MessageBox.Show(e.Exception.ToString(), "RenderException");
}
}
/// <summary>
/// Invoked whenever an exception occurs. Stops rendering, frees resources and throws
/// </summary>
/// <param name="exception">The exception that occured.</param>
/// <returns><c>true</c> if the exception has been handled, <c>false</c> otherwise.</returns>
private bool HandleExceptionOccured(Exception exception)
{
pendingValidationCycles = 0;
StopRendering();
EndD3D();
var args = new RelayExceptionEventArgs(exception);
ExceptionOccurred(this, args);
return args.Handled;
}
/// <summary>
/// Handles a rendering exception.
/// </summary>
/// <param name="sender">The event source.</param>
/// <param name="e">The event arguments.</param>
private void HandleRenderException(object sender, RelayExceptionEventArgs e)
{
var bindingExpression = this.GetBindingExpression(RenderExceptionProperty);
if (bindingExpression != null)
{
// If RenderExceptionProperty is bound, we assume the exception will be handled.
this.RenderException = e.Exception;
e.Handled = true;
}
// Fire RenderExceptionOccurred event
this.RenderExceptionOccurred(sender, e);
// If the Exception is still unhandled...
if (!e.Handled)
{
// ... prevent a MessageBox.Show().
this.MessageText = e.Exception.ToString();
e.Handled = true;
}
}
