/// <summary>
/// Occurs before the pattern list is set so that we can stop listening
/// for messages from the old outline.
/// </summary>
protected virtual void OnIgnorePatternEvents()
{
IChangeEventList <IPattern> patterns = _patterns as IChangeEventList <IPattern>;
if (patterns != null)
{
patterns.ItemChanged -= PatternsItemChanged;
}
}
/// <summary>
/// Occurs after the pattern list is set so that we can listen for when
/// the outline symbolizer gets updated.
/// </summary>
protected virtual void OnHandlePatternEvents()
{
IChangeEventList <IPattern> patterns = Patterns as IChangeEventList <IPattern>;
if (patterns != null)
{
patterns.ItemChanged += PatternsItemChanged;
}
}
