excel - SendMessage can't get text with WM_GETTEXT -


i trying text of window sendmessage function. however, can length of text can't text. guess type of txt (string) not correct sendmessage. thanks.

const wm_settext = &hc const wm_gettext = &hd const wm_gettextlength = &he  dim hwnd long dim hwnd_child long dim result long dim txtlen long dim txt string   hwnd = findwindow(vbnullstring, "İngilizce türkçe sözlük") hwnd_child = findwindowex(hwnd, 0, "edit", vbnullstring) txtlen = sendmessage(hwnd_child, wm_gettextlength, 0, 0) s = space$(txtlen + 1) result2 = sendmessage(hwnd_child, wm_gettext, byval txtlen, txt)  msgbox txt


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