I want to replace text in pdf with Aspose.PDF, But throw a NullReferenceException.
the sample code :
var doc = new Aspose.Pdf.Document(@“D:\abc\1212\c++.1.pdf”);
var sourceText = “的”;
var targetText = “x”;
Regex rul…...#=zGlbRdlmjjhbB, Boolean& #=zfWcswMo=, Boolean #=zOHy5bmpp70Dv_Ydq$THs46k=)...#=z9aDDAXe4HEDt, Double #=zGtYRtPg=, Boolean #=zo46$6XmoA4Ts1znQfg==, Double&...