From 72be0531110c433727bf5e066195538b9379453f Mon Sep 17 00:00:00 2001
From: John <jjenko@volian.com>
Date: Thu, 9 Apr 2020 19:43:17 +0000
Subject: [PATCH] =?UTF-8?q?B2020-055=20=E2=80=93=20When=20Microsoft=20Edge?=
 =?UTF-8?q?=20is=20the=20default=20PDF=20viewer=20and=20you=20do=20a=20mer?=
 =?UTF-8?q?ge=20print,=20PROMS=20would=20exit=20with=20a=20null=20referenc?=
 =?UTF-8?q?e=20error=20but=20the=20PDF=20will=20still=20be=20displayed=20i?=
 =?UTF-8?q?n=20Microsoft=20Edge.=20We=20now=20handle=20the=20null=20refere?=
 =?UTF-8?q?nce.=20We=20suspect=20that=20it=E2=80=99s=20because=20the=20ver?=
 =?UTF-8?q?sion=20of=20.Net=20is=20pre-Microsoft=20Edge=20and=20does=20not?=
 =?UTF-8?q?=20recognize=20that=20app.?=
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Content-Transfer-Encoding: 8bit

---
 PROMS/VEPROMS User Interface/DlgPrintProcedure.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs b/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs
index 53180a8f..6b4b1c81 100644
--- a/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs	
+++ b/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs	
@@ -1134,7 +1134,8 @@ namespace VEPROMS
 			{
 				if (_MergedPfd.MergedPdfs != null && _MergedPfd.MergedPdfs.Count > 0)
 				{
-						System.Diagnostics.Process sdp = System.Diagnostics.Process.Start(_MergedPfd.MergedFileName);
+					System.Diagnostics.Process sdp = System.Diagnostics.Process.Start(_MergedPfd.MergedFileName);
+					if (sdp != null) // B2020-055 if the current .NET version does not recognize the program used to display the PDF, it will return a NULL (ex. Microsoft Edge)
 						sdp.WaitForInputIdle();
 				}
 			}