// Token: 0x06007C6B RID: 31851 RVA: 0x0022FD94 File Offset: 0x0022DF94
public override void RemoveFromHost(IAnnotationComponent component, bool reorder)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
if (this.IsInternalComponent(component))
{
this._annotationAdorner.AnnotationComponent.PresentationContext = null;
this._adornerLayer.Remove(this._annotationAdorner);
this._annotationAdorner.RemoveChildren();
this._annotationAdorner = null;
return;
}
AnnotationAdorner annotationAdorner = this.FindAnnotationAdorner(component);
if (annotationAdorner == null)
{
throw new InvalidOperationException(SR.Get("ComponentNotInPresentationContext", new object[]
{
component
}));
}
this._adornerLayer.Remove(annotationAdorner);
annotationAdorner.RemoveChildren();
AdornerPresentationContext adornerPresentationContext = component.PresentationContext as AdornerPresentationContext;
if (adornerPresentationContext != null)
{
adornerPresentationContext.ResetInternalAnnotationAdorner();
}
component.PresentationContext = null;
}
/// <summary>
/// Remove annotation component from host; in our case: respective annotation adorner from adornerLayer.
/// If this presentation context does not contain the component search the adorner layer.
/// Null out the presentation context of the component and set the local annotationAdorner to null if necessary,
/// ask the annotation adorner to remove all visual children.
/// </summary>
/// <param name="component">Component to remove from host</param>
/// <param name="reorder">if true - recalculate z-order</param>
public override void RemoveFromHost(IAnnotationComponent component, bool reorder)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
if (IsInternalComponent(component))
{
_annotationAdorner.AnnotationComponent.PresentationContext = null;
_adornerLayer.Remove(_annotationAdorner);
_annotationAdorner.RemoveChildren();
_annotationAdorner = null;
}
else
{// need to find annotation adorner in layer, remove it and do house-keeping
AnnotationAdorner foundAdorner = this.FindAnnotationAdorner(component);
if (foundAdorner == null)
{
throw new InvalidOperationException(SR.Get(SRID.ComponentNotInPresentationContext, component));
}
_adornerLayer.Remove(foundAdorner);
foundAdorner.RemoveChildren();
// now get rid of reference from presentation context of annotation component to annotation adorner
AdornerPresentationContext p = component.PresentationContext as AdornerPresentationContext;
if (p != null)
{
p.ResetInternalAnnotationAdorner();
}
// finally get rid of reference from annotation component to presentation context
component.PresentationContext = null;
}
}
