/// <summary>
/// Fires 'positions changed starting inside this element' event on the main thread context
/// </summary>
/// <param name="element">Element</param>
internal void FireOnPositionsOnlyChanged()
{
Check.InvalidOperation(() => Thread.CurrentThread.ManagedThreadId == _ownerThread, _threadCheckMessage);
try {
PositionsOnlyChanged?.Invoke(this, new TreePositionsOnlyChangedEventArgs());
} catch (Exception ex) {
Debug.Assert(false, Invariant($"Exception thrown in a tree.PositionsOnlyChanged event handler: {ex.Message}"));
}
}
/// <summary>
/// Fires 'positions changed starting inside this element' event on the main thread context
/// </summary>
/// <param name="element">Element</param>
internal void FireOnPositionsOnlyChanged()
{
if (_ownerThread != Thread.CurrentThread.ManagedThreadId)
{
Debug.Fail(_threadContextInvalidMessage);
return;
}
try {
PositionsOnlyChanged?.Invoke(this, new TreePositionsOnlyChangedEventArgs());
} catch (Exception ex) {
Debug.Assert(false, Invariant($"Exception thrown in a tree.PositionsOnlyChanged event handler: {ex.Message}"));
}
}