private bool Unregister()
{
//Careful here - events have to be unregistered on the same
//thread they were registered on...hence the use of the
//Queued Task
QueuedTask.Run(() =>
{
//One kvp per layer....of which there is only one in the sample
//out of the box but you can add others and register for events
foreach (var kvp in _rowevents)
{
RowCreatedEvent.Unsubscribe(kvp.Value[0]);
RowChangedEvent.Unsubscribe(kvp.Value[1]);
RowDeletedEvent.Unsubscribe(kvp.Value[2]);
kvp.Value.Clear();
}
_rowevents.Clear();
//Editing and Edit Completed.
RowDeletedEvent.Unsubscribe(_editevents[0]);
RowDeletedEvent.Unsubscribe(_editevents[1]);
_editevents.Clear();
});
return(false);
}
private void DeActivateModification()
{
if (_activeMapViewChangedEvent != null || _onRowChangedEvent != null || _onRowCreatedEvent != null || _onRowPointCreatedEvent != null)
{
UpdateStatusText($@"DeActivate Modification");
if (_activeMapViewChangedEvent != null)
{
ActiveMapViewChangedEvent.Unsubscribe(_activeMapViewChangedEvent);
}
QueuedTask.Run(() =>
{
if (_onRowChangedEvent != null)
{
RowChangedEvent.Unsubscribe(_onRowChangedEvent);
}
if (_onRowCreatedEvent != null)
{
RowChangedEvent.Unsubscribe(_onRowCreatedEvent);
}
if (_onRowPointCreatedEvent != null)
{
RowChangedEvent.Unsubscribe(_onRowPointCreatedEvent);
}
});
_onRowChangedEvent = null;
_onRowCreatedEvent = null;
_onRowPointCreatedEvent = null;
_activeMapViewChangedEvent = null;
}
}
private void onProjectClosed(ProjectEventArgs obj)
{
//Unsubscribe from events
EditCompletedEvent.Unsubscribe(onEditCompleted);
QueuedTask.Run(() =>
{
RowCreatedEvent.Unsubscribe(_rowCreateToken);
RowDeletedEvent.Unsubscribe(_rowDeleteToken);
RowChangedEvent.Unsubscribe(_rowChangedToken);
});
}
public async Task DisposeAsync()
{
await QueuedTask.Run(() =>
{
if (_rowChanged != null)
{
RowChangedEvent.Unsubscribe(_rowChanged);
}
if (_rowDeleted != null)
{
RowDeletedEvent.Unsubscribe(_rowDeleted);
}
if (_rowCreated != null)
{
RowCreatedEvent.Unsubscribe(_rowCreated);
}
});
MapSelectionChangedEvent.Unsubscribe(OnMapSelectionChanged);
DrawCompleteEvent.Unsubscribe(OnDrawCompleted);
}