/// <summary>
/// Invalidates the CompositionAdorner render.
/// Used in TextServicesDisplayAttributePropertyRanges (for composition display attribute)
/// </summary>
internal void InvalidateAdorner()
{
for (int i = 0; i < _attributeRanges.Count; i++)
{
// Get the composition attribute range from the attribute range lists
AttributeRange attributeRange = (AttributeRange)_attributeRanges[i];
// Add the composition lines for rendering the composition lines
attributeRange.AddCompositionLines();
}
// Invalidate the CompositionAdorner to update the rendering.
AdornerLayer adornerLayer = VisualTreeHelper.GetParent(this) as AdornerLayer;
if (adornerLayer != null)
{
adornerLayer.Update(AdornedElement);
adornerLayer.InvalidateArrange();
}
}
