You can take a look on the WinAPI function [GetWindowText()](https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getwindowtexta) and the [implementation of NiGui](https://github.com/trustable-code/NiGui/blob/master/src/nigui/private/windows/platform_impl.nim#L112-L116).
- How to call SendMessage API function with WM_GETTEXT message >... kcvinu
- Re: How to call SendMessage API function with WM_GETTEXT me... Ward
- Re: How to call SendMessage API function with WM_GETTEX... Trustable