Make the Search Results Window locked (grayed) until the first search

The search result window option will only enable after the first Find All search

Fix #9655, close #9967

PowerEditor/src/Notepad_plus.cpp

@@ -534,6 +534,9 @@ LRESULT Notepad_plus::init(HWND hwnd)
 	_pluginsAdminDlg.setPluginsManager(&_pluginsManager);
 	_pluginsManager.setMenu(_mainMenuHandle, NULL, enablePluginAdmin);
 
+	//Search menu
+	//disable "Search Results Window" under Search Menu 
+	::EnableMenuItem(_mainMenuHandle, IDM_FOCUS_ON_FOUND_RESULTS, MF_DISABLED | MF_GRAYED | MF_BYCOMMAND);
 
 	//Main menu is loaded, now load context menu items
 	nppParam.getContextMenuFromXmlTree(_mainMenuHandle, _pluginsManager.getMenuHandle());

PowerEditor/src/ScintillaComponent/FindReplaceDlg.cpp

@@ -2584,6 +2584,9 @@ void FindReplaceDlg::findAllIn(InWhat op)
 		char ptrword[sizeof(void*)*2+1];
 		sprintf(ptrword, "%p", &_pFinder->_markingsStruct);
 		_pFinder->_scintView.execute(SCI_SETPROPERTY, reinterpret_cast<WPARAM>("@MarkingsStruct"), reinterpret_cast<LPARAM>(ptrword));
+		
+		//enable "Search Results Window" under Search Menu 
+		::EnableMenuItem(::GetMenu(_hParent), IDM_FOCUS_ON_FOUND_RESULTS, MF_ENABLED | MF_BYCOMMAND);
 	}
 	
 	::SendMessage(_pFinder->getHSelf(), WM_SIZE, 0, 0);