public FREDrawingVisual(object c)
{
this.context = c.Wrap <IFrameworkRenderElementContext>();
using (var dc = RenderOpen()) {
context.Render(dc);
var controls = new[] { context }.Concat(RenderTreeHelper.RenderDescendants(context));
foreach (var ctrl in controls)
{
var rcbc = ctrl.Wrap <IRenderControlBaseContext>();
if (rcbc == null)
{
continue;
}
dc.PushTransform(rcbc.GeneralTransform);
dc.DrawRectangle(new VisualBrush(rcbc.Control), null, new Rect(new Point(0, 0), rcbc.RenderSize));
dc.Pop();
}
dc.Close();
}
}
static bool isVisible(IFrameworkRenderElementContext context)
{
return(context.Visibility.HasValue
? context.Visibility == Visibility.Visible
: context.Factory.Visibility == Visibility.Visible);
}
public static bool IsVisible(IFrameworkRenderElementContext context)
{
return(isVisible(context) && context.ElementHost != null && RenderTreeHelper.RenderAncestors(context).Select(x => x.Wrap <IFrameworkRenderElementContext>()).All(x => isVisible(x)));
}
