From 49198e9f540dfce8c74e6faf4bd5b46b0e7153f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BChlegger?=
 <thomas.muehlegger@softwaredefinedautomation.io>
Date: Tue, 13 Oct 2026 11:01:29 +0200
Subject: [PATCH] fix: allow clearing the cache for a single block

---
 .../DataTypes/Blocks/ProjectBlockInfo.cs                 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/LibNoDaveConnectionLibrary/DataTypes/Blocks/ProjectBlockInfo.cs b/LibNoDaveConnectionLibrary/DataTypes/Blocks/ProjectBlockInfo.cs
index cc2f261b..3dc54624 100644
--- a/LibNoDaveConnectionLibrary/DataTypes/Blocks/ProjectBlockInfo.cs
+++ b/LibNoDaveConnectionLibrary/DataTypes/Blocks/ProjectBlockInfo.cs
@@ -30,6 +30,15 @@ public virtual Block GetBlock()
            return blkFld.GetBlock(this);
        }
 
+        /// <summary>
+        /// Drops the converted block cached on this block info, so it can be garbage collected.
+        /// Other blocks stay cached, so blocks referenced by many others (UDTs, FBs) are not converted again.
+        /// </summary>
+        public void ClearCachedBlock()
+        {
+            _Block = null;
+        }
+
         public virtual string GetSourceBlock(bool useSymbols = true)
         {
             if (ParentFolder is BlocksOfflineFolder)