Actually terminate (clean up) the Microsoft UIA Abstraction remote op…

…erations librry on NVDA exit.

nvdaHelper/UIARemote/UIARemote.cpp

@@ -153,6 +153,17 @@ extern "C" __declspec(dllexport) bool __stdcall initialize(bool doRemote, IUIAut
 	return true;
 }
 
+// Cleans up the remote opperations library.
+extern "C" __declspec(dllexport) void __stdcall cleanup() {
+	if(_isInitialized) {
+		LOG_INFO(L"Cleaning up the UIA Remote Operations abstraction library...")
+		UiaOperationAbstraction::Cleanup();
+		_isInitialized = false;
+		LOG_INFO(L"Done")
+	}
+}
+
+
 BOOL WINAPI DllMain(HINSTANCE hModule,DWORD reason,LPVOID lpReserved) {
 	if(reason==DLL_PROCESS_ATTACH) {
 		GetModuleFileName(hModule,dllDirectory,MAX_PATH);

source/UIAHandler/__init__.py

@@ -528,6 +528,8 @@ def MTAThreadFunc(self):
 			else:
 				break
 		self.clientObject.RemoveAllEventHandlers()
+		if winVersion.getWinVer() >= winVersion.WIN11:
+			UIARemote.terminate()
 
 	def _registerGlobalEventHandlers(self):
 		self.clientObject.AddFocusChangedEventHandler(self.baseCacheRequest, self)

source/UIAHandler/remote.py

@@ -25,6 +25,9 @@ def initialize(doRemote: bool, UIAClient: POINTER(UIA.IUIAutomation)):
 	_dll = windll[os.path.join(NVDAHelper.versionedLibPath, "UIARemote.dll")]
 	_dll.initialize(doRemote, UIAClient)
 
+def terminate():
+	_dll.cleanup()
+
 
 def msWord_getCustomAttributeValue(
 		docElement: POINTER(UIA.IUIAutomationElement),