public ODFForm(XmlNode node, IDocument document)
{
Document = document;
this.Node = node;
_controls = new ODFControlsCollection();
_controls.Inserted +=ControlsCollection_Inserted;
_controls.Removed +=ControlsCollection_Removed;
_controls.Clearing += ControlsCollection_Clearing;
_properties = new FormPropertyCollection();
_properties.Inserted += PropertyCollection_Inserted;
_properties.Removed += PropertyCollection_Removed;
_formCollection = new ODFFormCollection();
_formCollection.Inserted += FormCollection_Inserted;
_formCollection.Removed += FormCollection_Removed;
}