From 04a04cffcdc930b84a068771647a51527ee216d7 Mon Sep 17 00:00:00 2001
From: Oliver James <oli@juce.com>
Date: Wed, 16 Oct 2024 11:58:58 +0100
Subject: [PATCH] Projucer: Check for VS instances before opening projects

---
 .../Source/ProjectSaving/jucer_ProjectExport_MSVC.h         | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_MSVC.h b/extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_MSVC.h
index 61efb67194..626df52908 100644
--- a/extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_MSVC.h
+++ b/extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_MSVC.h
@@ -1585,6 +1585,12 @@ public:
     bool launchProject() override
     {
        #if JUCE_WINDOWS
+        // Don't launch if already open
+        const auto foundDBFiles = getSLNFile().getSiblingFile (".vs").findChildFiles (File::findFiles, true, "*.opendb", File::FollowSymlinks::no);
+
+        if (! foundDBFiles.isEmpty())
+            return false;
+
         return getSLNFile().startAsProcess();
        #else
         return false;