From f2a6ed115afe8d79437d78db922de04a892ad9b1 Mon Sep 17 00:00:00 2001
From: Han Zhang <zhangh@microsoft.com>
Date: Thu, 23 Jan 2025 13:16:32 +0800
Subject: [PATCH] Update to const function to align with the internal repo

---
 src/GraphingImpl/Mocks/Graph.h  | 2 +-
 src/GraphingInterfaces/IGraph.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/GraphingImpl/Mocks/Graph.h b/src/GraphingImpl/Mocks/Graph.h
index 8624d92d..3678074c 100644
--- a/src/GraphingImpl/Mocks/Graph.h
+++ b/src/GraphingImpl/Mocks/Graph.h
@@ -29,7 +29,7 @@ namespace MockGraphingImpl
             return std::nullopt;
         }
 
-        HRESULT GetInitializationError()
+        HRESULT GetInitializationError() const
         {
             return S_OK;
         }
diff --git a/src/GraphingInterfaces/IGraph.h b/src/GraphingInterfaces/IGraph.h
index c19c7d80..4a2e134d 100644
--- a/src/GraphingInterfaces/IGraph.h
+++ b/src/GraphingInterfaces/IGraph.h
@@ -18,7 +18,7 @@ namespace Graphing
 
         virtual std::optional<std::vector<std::shared_ptr<IEquation>>> TryInitialize(const IExpression* graphingExp = nullptr) = 0;
 
-        virtual HRESULT GetInitializationError() = 0;
+        virtual HRESULT GetInitializationError() const = 0;
 
         virtual IGraphingOptions& GetOptions() = 0;