protected ElementContainer()
{
Child = new HostVisual();
PresentationSource.AddSourceChangedHandler(this, OnPresentationSourceChanged);
}
/// <summary> /// Initializes a new instance of the <see cref="HostedPresentationSource"/> class. /// </summary> /// <param name="host">The host.</param> public HostedPresentationSource(HostVisual host) => HostConnector = new VisualTarget(host);
public VisualTargetPresentationSource(HostVisual hostVisual)
{
_visualTarget = new VisualTarget(hostVisual);
}
private void CreateContentHelper()
{
_threadedHelper = new ThreadedVisualHelper(CreateContent, SafeInvalidateMeasure);
_hostVisual = _threadedHelper.HostVisual;
}
private void CreateContentHelper()
{
_threadedHelper = new ThreadedVisualHelper(CreateContent, SafeInvalidateMeasure, _dispatcher);
_hostVisual = _threadedHelper.HostVisual;
AddVisualChild(_hostVisual);
}
public VisualTarget(HostVisual hostVisual)
{
_visualTarget = new System.Windows.Media.VisualTarget(hostVisual);
}
public VisualTargetPresentationSource(HostVisual hostVisual)
{
this.visualTarget = new VisualTarget(hostVisual);
AddSource();
}
public AsyncBox()
{
_hostVisual = new HostVisual();
_contentPresenter = new ContentPresenter();
Loaded += OnLoaded;
}
public AsyncUISource(HostVisual hostVisual)
{
_visualTarget = new VisualTarget(hostVisual);
}
/// <summary>
/// Initializes a new instance of the <see cref="VisualSource"/> class.</summary>
/// <param name="hostVisual">
/// The <see cref="HostVisual"/> that is the target of the presentation.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="hostVisual"/> is a null reference.</exception>
/// <remarks>
/// The specified <paramref name="hostVisual"/> may reside on a different thread than the
/// <see cref="VisualSource"/> and its <see cref="RootVisual"/>. The necessary cross-thread
/// marshalling is performed by the <see cref="VisualTarget"/> that is returned by <see
/// cref="GetCompositionTargetCore"/>.</remarks>
public VisualSource(HostVisual hostVisual)
{
// VisualTarget constructor performs null check
_visualTarget = new VisualTarget(hostVisual);
}