internal void CreateUndoSnapshot(ModelObject target, bool visualOnly)
{
if (changedList.Count == 0)
{
version++;
if (!suspended && !scheduled)
{
Schedule();
}
}
undoBatchVisualOnly &= visualOnly;
if (target.objectVersion == version)
{
return;
}
changedList.Add(target);
target.objectVersion = version;
if (visualOnly && undo.Count > 0 && undo.Peek().Contains(target))
{
return;
}
var builder = target.GetUndoBuilder();
currentUndoBatch.Add(builder.MakeUndoSnapshot(target));
}
public UndoSnapshot Restore()
{
var builder = target.GetUndoBuilder();
var redo = builder.MakeUndoSnapshot(target);
builder.RevertToUndoSnapshot(target, this);
return(redo);
}
