private static void OnRunStreamChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!(d is RichTextBox target))
{
return;
}
void OnMessage(object sender, Run run)
{
var para = GetOrCreateParagraph(target);
para.Inlines.Add(XamlHelper.XamlClone(run));
target.ScrollToEnd();
}
if (e.OldValue != null)
{
var coll = (RunStream)e.OldValue;
coll.OnMessage -= OnMessage;
}
if (e.NewValue != null)
{
var coll = (RunStream)e.NewValue;
coll.OnMessage += OnMessage;
}
}
private static void OnBindedDocumentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!(d is RichTextBox target))
{
return;
}
FlowDocument doc = e.NewValue as FlowDocument;
if (doc == null)
{
target.Document = new FlowDocument();
return;
}
target.Document = XamlHelper.XamlClone(doc);
}
private static void OnBindableInlinesChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!(d is TextBlock Target))
{
return;
}
FlowDocument doc = e.NewValue as FlowDocument;
var para = doc?.Blocks?.FirstBlock as Paragraph;
if (para == null)
{
return;
}
Target.Inlines.Clear();
foreach (var item in para.Inlines)
{
Target.Inlines.Add(XamlHelper.XamlClone(item));
}
}
