From 5f3cc7e99628768881b9f36f7c3ec54a44ebfed0 Mon Sep 17 00:00:00 2001
From: Trivalik <rborchert@live.de>
Date: Thu, 30 Nov 2017 11:01:56 +0100
Subject: [PATCH] check in batch before build for.net framework 4.7.1

---
 install-VS2017.bat | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/install-VS2017.bat b/install-VS2017.bat
index 3ef30e81e..97c3209a3 100644
--- a/install-VS2017.bat
+++ b/install-VS2017.bat
@@ -1,6 +1,22 @@
 @echo off
 cls
 
+echo Check for installed .NET Framework 4.7.1
+
+FOR /F "tokens=2*" %%A IN ('REG.EXE QUERY "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /V "Release" 2^>NUL ^| FIND "REG_DWORD"') DO SET Ver=%%B
+IF "%Ver%"=="" (
+  echo .NET Framework 4.7.1 or 4.5 or above 4.5 is not installed. Please download from https://www.microsoft.com/net/download/visual-studio-sdks
+  pause
+  goto:eof
+)
+SET "NET471_CREATORS=0x709fc"
+
+if NOT "%NET471_CREATORS%"=="%Ver%" (
+  echo .NET Framework 4.7.1 is required.
+  pause
+  goto:eof
+)
+
 set NuGet=Build\Tools\nuget.exe
 set VSWhere=Build\Tools\vswhere.exe