/// <summary>
/// Writes the content of this instance to a persistent storage area.
/// </summary>
/// <param name="editSerializer">The mechanism for storing content.</param>
public override void WriteData(EditSerializer editSerializer)
{
editSerializer.WriteBool(DataField.Clockwise, m_IsClockwise);
// If the circle's first arc has geometry that corresponds to this instance, write
// out the circle center point. Otherwise refer to the first arc (we'll get the
// circle geometry from there).
if (Object.ReferenceEquals(m_Circle.FirstArc.Geometry, this))
{
editSerializer.WriteFeatureRef <PointFeature>(DataField.Center, m_Circle.CenterPoint);
}
else
{
editSerializer.WriteFeatureRef <ArcFeature>(DataField.FirstArc, m_Circle.FirstArc);
}
}
/// <summary>
/// Writes a feature reference to a storage medium if the item is present as part of this collection.
/// </summary>
/// <typeparam name="T">The type of feature being referenced (as it is known to the edit
/// that contains it)</typeparam>
/// <param name="editSerializer">The mechanism for storing content.</param>
/// <param name="field">The tag that identifies the item.</param>
/// <returns>True if a feature reference was written, false if the item with the specific name is not present
/// in this collection.</returns>
internal bool WriteFeature <T>(EditSerializer editSerializer, DataField field) where T : Feature
{
UpdateItem item;
if (m_Changes.TryGetValue(field, out item))
{
editSerializer.WriteFeatureRef <T>(field, (T)item.Value);
return(true);
}
return(false);
}
/// <summary>
/// Writes the content of this instance to a persistent storage area.
/// </summary>
/// <param name="editSerializer">The mechanism for storing content.</param>
public override void WriteData(EditSerializer editSerializer)
{
editSerializer.WriteFeatureRef <LineFeature>(DataField.Base, m_Base);
}