/// <summary>
/// Removes this control from the canvas. This includes removal of controls that are
/// "attached" to this control, such as the comment sticky note controls.
/// This is considered disposal of the control and it should not be used anymore
/// after calling this method.
/// </summary>
public void RemoveSelfFromCanvas(UI.DrawingCanvas canvas)
{
// Unsubscribe from events (important)
m_stream.PropertyChanged -= this.Stream_PropertyChanged;
m_stream.Comments.CollectionChanged -= this.Comments_CollectionChanged;
if (null != m_sourceEventItem)
{
m_sourceEventItem.PropertyChanged -= this.SourceOrDest_PropertyChanged;
m_sourceEventItem = null;
}
if (null != m_destEventItem)
{
m_destEventItem.PropertyChanged -= this.SourceOrDest_PropertyChanged;
m_destEventItem = null;
}
if (null != m_table)
{
m_stream.PropertiesTable.PropertyChanged -= this.PropertiesTable_PropertyChanged;
}
canvas.RemoveChild(this);
canvas.RemoveChild(m_sourceDragIcon);
canvas.RemoveChild(m_dstDragIcon);
canvas.RemoveChild(m_table);
if (null != m_miniTable)
{
canvas.RemoveChild(m_miniTable);
}
if (null != m_square)
{
canvas.RemoveChild(m_square);
}
if (null != m_arrow)
{
canvas.RemoveChild(m_arrow);
}
// Remove all the lines
foreach (Line line in m_lines)
{
canvas.RemoveChild(line);
}
m_lines.Clear();
foreach (StickyNoteControl snc in m_stickyNotes)
{
snc.RemoveSelfFromCanvas(canvas);
}
m_stickyNotes.Clear();
// Set the value to indiate that we've removed
m_hasBeenRemoved = true;
}
/// <summary>
/// Removes this control from the canvas. This includes removal of controls that are
/// "attached" to this control, such as the comment sticky note controls.
/// This is considered "disposing" the control and it should not be used after this call.
/// </summary>
public void RemoveSelfFromCanvas(UI.DrawingCanvas owner)
{
// Unsubscribe from events
m_pu.Comments.CollectionChanged -= this.CommentCollectionChanged;
m_pu.PropertyChanged -= this.ProcessUnit_PropertyChanged;
owner.RemoveChild(this);
foreach (ChemProV.UI.StickyNoteControl snc in m_stickyNotes)
{
snc.RemoveSelfFromCanvas(owner);
}
// Set the process unit reference to null
m_pu = null;
}
