private void OnAttributeChanged(AttributeChangedEventArgs args)
{
AttributeChangedEventHandler handler = this.AttributeChanged;
if (handler != null)
{
handler(this, args);
}
}
void IMapShape.SetAttribute(string key, object value)
{
if (this.attributes == null || string.IsNullOrEmpty(key))
{
return;
}
var oldValue = (this as IMapShape).GetAttribute(key);
if (oldValue != value)
{
this.attributes[key] = value;
AttributeChangedEventArgs args = new AttributeChangedEventArgs(key, oldValue, value);
this.OnAttributeChanged(args);
}
}