This code loaded file from your project directory and show it in TextBlock
with a name textBlock
var rs = Application.GetResourceStream(new Uri("file.txt", UriKind.Relative));
StreamReader sr = new StreamReader(rs.Stream);
textBlock.Text = sr.ReadToEnd();
Where file.txt saved like Content in your project
1
solved Display a text file onto a text block which is already within the app [closed]