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How to emulate keystroke F1 for use in Qt/MFC Migration Framework solution?
The code sample below shows how to emit a F1 key stroke from the QPushButton::clicked() [doc.qt.nokia.com] signal (in your Qt application) when wanting your MFC parent application to receive it (not your Qt application). The example uses the Windows API to achieve this:
- #ifdef WIN32
- #include <windows.h>
- #endif
- void CMyQtDlg::on_btn_help_clicked()
- {
- #ifdef WIN32
- if (parentWidget())
- {
- PostMessage(parentWidget()->winId(), WM_KEYDOWN, VK_F1, 0);
- PostMessage(parentWidget()->winId(), WM_KEYUP, VK_F1, 0);
- }
- #endif
- }
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