Add Pdf.Display, Rename ActiveMemberInput

WGneu/Print/Pdf.cs

@@ -30,5 +30,12 @@ namespace WGneu.Print {
             await page.WaitForFunctionAsync("() => window.finished");
             await page.PdfAsync(path_pdf);
         }
+
+        public static void Display(string path) {
+            Process.Start(new ProcessStartInfo() {
+                FileName = path,
+                UseShellExecute = true,
+            });
+        }
     }
 }