1 files changed, 45 insertions, 0 deletions

diff --git a/src/ext/Util/ca/BroadcastSettingChange.cpp b/src/ext/Util/ca/BroadcastSettingChange.cpp
new file mode 100644
index 00000000..2e153ad3
--- /dev/null
+++ b/src/ext/Util/ca/BroadcastSettingChange.cpp
@@ -0,0 +1,45 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+#include "precomp.h"
+
+
+/********************************************************************
+WixBroadcastSettingChange
+
+  Send WM_SETTINGCHANGE message to all top-level windows indicating
+  that unspecified settings have changed.
+********************************************************************/
+extern "C" UINT __stdcall WixBroadcastSettingChange(
+    __in MSIHANDLE hInstall
+    )
+{
+    HRESULT hr = WcaInitialize(hInstall, "WixBroadcastSettingChange");
+    ExitOnFailure(hr, "failed to initialize WixBroadcastSettingChange");
+
+    // best effort; ignore failures
+    ::SendMessageTimeoutW(HWND_BROADCAST, WM_SETTINGCHANGE, NULL, NULL, SMTO_ABORTIFHUNG, 1000, NULL);
+
+LExit:
+    return WcaFinalize(ERROR_SUCCESS);
+}
+
+
+/********************************************************************
+WixBroadcastEnvironmentChange
+
+  Send WM_SETTINGCHANGE message to all top-level windows indicating
+  that environment variables have changed.
+********************************************************************/
+extern "C" UINT __stdcall WixBroadcastEnvironmentChange(
+    __in MSIHANDLE hInstall
+    )
+{
+    HRESULT hr = WcaInitialize(hInstall, "WixBroadcastEnvironmentChange");
+    ExitOnFailure(hr, "failed to initialize WixBroadcastEnvironmentChange");
+
+    // best effort; ignore failures
+    ::SendMessageTimeoutW(HWND_BROADCAST, WM_SETTINGCHANGE, NULL, reinterpret_cast<LPARAM>(L"Environment"), SMTO_ABORTIFHUNG, 1000, NULL);
+
+LExit:
+    return WcaFinalize(ERROR_SUCCESS);
+}