/// <summary>
/// Populates a <see cref="T:System.Runtime.Serialization.SerializationInfo"/> with the data needed to serialize the target object.
/// </summary>
/// <param name="info">The <see cref="T:System.Runtime.Serialization.SerializationInfo"/> to populate with data. </param><param name="context">The destination (see <see cref="T:System.Runtime.Serialization.StreamingContext"/>) for this serialization. </param><exception cref="T:System.Security.SecurityException">The caller does not have the required permission. </exception>
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
//only support "serialization" in same application through shared object cache
Guid ObjectId = Guid.NewGuid();
DragDropObjectWrapper.AddObject(ObjectId, this.DragData);
info.AddValue("ID", ObjectId.ToString());
}
private static IDataObject GetObject(Guid objectId)
{
DragDropObjectWrapper.RemoveCollectedObjects();
if (DragDropObjectWrapper.objectCache.ContainsKey(objectId))
{
IDataObject Target;
bool CouldGetTarget = DragDropObjectWrapper.objectCache[objectId].TryGetTarget(out Target);
return(CouldGetTarget ? Target : null);
}
else
{
return(null);
}
}
private static void AddObject(Guid objectId, IDataObject dataObject)
{
DragDropObjectWrapper.RemoveCollectedObjects();
DragDropObjectWrapper.objectCache.Add(objectId, new WeakReference <IDataObject>(dataObject));
}
///<summary>
/// Constructor for deserialisation
///</summary>
public DragDropObjectWrapper(SerializationInfo info, StreamingContext context)
{
Guid ObjectId = new Guid(info.GetString("ID"));
this.DragData = DragDropObjectWrapper.GetObject(ObjectId);
}