Viscomsoft UWP PDF Viewer SDK

[C# Syntax] 
using Viscomsoft.UWP.PDFViewerSDK;
   
    DocumentFactory factory = new DocumentFactory();

    IDocument doc = factory.CreateDocument(file.Name);

    bool opened = await doc.OpenAsync(file);

   

    _pdfDisplayManager = new PDFDisplayManager();

    _pdfDisplayManager.Width = (int)Window.Current.Bounds.Width;

    _pdfDisplayManager.Height = (int)Window.Current.Bounds.Height;

    _pdfDisplayManager.Document = doc;

    _pdfDisplayManager.GotoPage(1);

    uiViewPanel.Child = createScrollViewControl();

   _pdfDisplayManager.TextSearch.TextNotFound += new EventHandler(TextSearch_TextNotFound);  

   _pdfDisplayManager.TextSearch.FindText("hello",1,SearchDirection.SearchForward);
  
async void TextSearch_TextNotFound(object sender, EventArgs e)
  {

   MessageDialog dlg = new MessageDialog("No text found");
   dlg.ShowAsync();
  }