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I saw this article today:[^]
And it works like a champ!
I was wondering if it was also then possible while the MessageBox was hooked, to widen the buttons that recieve the new text just a bit to display a somewhat larger string.
Posted 29-Jan-13 6:34am
Ron Anders at 29-Jan-13 13:25pm
Thanks, I did that early this morning. I guess I have to wait for the mods over there.

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Solution 1

Check it :
static LRESULT __stdcall ChangeCaptions(int nCode, WPARAM wParam, LPARAM lParam)
    if (nCode == HCBT_ACTIVATE) {
        SetWindowText(GetDlgItem((HWND) wParam, IDOK), L10N(GUI_OK_MSG));
        SetWindowText(GetDlgItem((HWND) wParam, IDCANCEL), L10N(GUI_CANCEL_MSG));
        SetWindowText(GetDlgItem((HWND) wParam, IDYES), L10N(GUI_YES_MSG));
        SetWindowText(GetDlgItem((HWND) wParam, IDNO), L10N(GUI_NO_MSG));
    return 0;
int addon_gui_messagebox(HWND parentHWnd, HINSTANCE hInstance, void *text, void *caption, int type)
    int ret;
    hook = SetWindowsHookEx(WH_CBT, ChangeCaptions, hInstance, GetCurrentThreadId());
    ret = MessageBox(parentHWnd, text, caption, type);
    return ret;
Ron Anders at 1-Feb-13 8:12am
Thank you. I'll give it a go.

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