public static void SetClipboardCallback(Action<string> onCopy, Func<string> onPaste)
        {
            unsafe
            {
                _onClipboardCopy = onCopy;
                _onClipboardPaste = onPaste;

                _nkOnClipboardCopy = (_, str, len) =>
                {
                    var bytes = new byte[len];

                    for (var i = 0; i < bytes.Length; i++)
                        bytes[i] = str[i];

                    onCopy(Encoding.UTF8.GetString(bytes));
                };

                _nkOnClipboardPaste = (nk_handle _, ref nk_text_edit textEdit) =>
                {
                    var bytes = Encoding.UTF8.GetBytes(onPaste());

                    fixed (byte* bytesPtr = bytes)
                    fixed (nk_text_edit* TextEditPtr = &textEdit)
                        Nuklear.nk_textedit_paste(TextEditPtr, bytesPtr, bytes.Length);
                };

                _nuklearContext->clip.copyfun_nkPluginCopyT = Marshal.GetFunctionPointerForDelegate(_nkOnClipboardCopy);
                _nuklearContext->clip.pastefun_nkPluginPasteT =
                    Marshal.GetFunctionPointerForDelegate(_nkOnClipboardPaste);
            }
        }