Fires when an error occurs in a separate thread when being processed asynchronously.
Atalasoft.dotImage (in Atalasoft.dotImage.dll) Version: 22.214.171.124.0.297 (.NET 4.5.2, x86)
This event can be handled to react to an exception when it occurs in another thread. Typically a message
box with exception details is displayed to the user. When this event is not handled, and the Asynchronous property
is true, errors can go un-noticed, and without any error messages displayed.