# OneNote Plugin The OneNote plugin searches your locally synced OneNote notebooks based on the user query. ![Image of OneNote plugin](/doc/images/launcher/plugins/onenote.png) The code itself is very simple, basically just a call into OneNote interop via the https://github.com/scipbe/ScipBe-Common-Office library. ```csharp var pages = OneNoteProvider.FindPages(query.Search); ``` The query results will be cached for 1 day, and if cached results are found they'll be returned in the initial `Query()` call, otherwise OneNote itself will be queried in the `delayedExecution:true` overload. If the user actions on a result, it'll open it in the OneNote app, and restore and/or focus the app as well if necessary. ```csharp if (PInvoke.IsIconic(handle)) { PInvoke.ShowWindow(handle, SHOW_WINDOW_CMD.SW_RESTORE); } PInvoke.SetForegroundWindow(handle); ``` The plugin attempts to call the library in the constructor, and if it fails with a COMException then it'll note that OneNote isn't available and not attempt to query it again. ```csharp try { _ = OneNoteProvider.PageItems.Any(); _oneNoteInstalled = true; } catch (COMException) { // OneNote isn't installed, plugin won't do anything. _oneNoteInstalled = false; } ```