public virtual void InvalidateAll(InvalidationBuffer buffer = InvalidationBuffer.All)
{
// NB selection does not update Base, unlike above
if (m_Page == null || m_BaseBuffer == null)
{
return;
}
if ((buffer & InvalidationBuffer.Base) > 0)
{
m_BaseBuffer.InvalidateAll();
}
Invalidate();
}
public virtual void InvalidateData(RectangleF invalid, InvalidationBuffer buffer, bool textFlowExpand = true)
{
// invalidate part of the picture - the area is specified in data coordinates
// must invalidate both the buffer and Windows itself
// last parameter can be false if we know that the change will not move the text flow arrows
if (invalid.IsEmpty || m_Page == null || m_BaseBuffer == null)
{
return;
}
Rectangle screen = Rectangle.Round(DataToClient(invalid));
Invalidate(screen);
if ((buffer & (InvalidationBuffer.Base | InvalidationBuffer.Selection)) > 0)
{
m_BaseBuffer.Invalidate(screen); //: Debug.WriteLine("Invalidate base: " + rctInvalid.ToString)
}
}
