public void RemoveSelfFromCanvas(ChemProV.UI.DrawingCanvas owner)
{
// Start by unsubscribing from events on the parent process unit or stream
if (m_commentParent is ProcessUnitControl)
{
(m_commentParent as ProcessUnitControl).ProcessUnit.PropertyChanged -=
this.ProcessUnitParentPropertyChanged;
}
else if (m_commentParent is StreamControl)
{
(m_commentParent as StreamControl).Stream.PropertyChanged -=
this.StreamParentPropertyChanged;
}
m_commentParent = null;
// Now unsubscribe from events on the sticky note object
m_note.PropertyChanged -= this.MemNote_PropertyChanged;
m_note = null;
// Now do the actual removal of controls from the drawing canvas
if (null != m_lineToParent)
{
owner.RemoveChild(m_lineToParent);
m_lineToParent = null;
}
owner.RemoveChild(this);
}
