public DialogHyperlink(RichTextBox textBox)
{
this.textBox = textBox;
Hyperlink link = DialogHyperlink.SelectedHyperlink(this.textBox);
if (link != null)
{
TextRange range = new TextRange(link.ContentStart, link.ContentEnd);
this.HyperlinkText = range.Text;
this.HyperlinkUrl = link.NavigateUri.ToString();
textBox.Selection.Select(link.ElementStart, link.ElementEnd);
}
else
{
this.HyperlinkText = this.textBox.Selection.Text;
string text = this.HyperlinkText.Trim();
if (DialogHyperlink.IsUrl(text))
{
this.HyperlinkUrl = text;
}
else
{
this.HyperlinkUrl = string.Empty;
}
}
this.DataContext = this;
this.InitializeComponent();
}
