PPC - Program Keys

From YYpBD's MediaWiki

case WM_CREATE:
BYTE appkey;
appkey = SHGetAppKeyAssoc(_T("testkeys.exe"));
if (appkey != 0)
{
    if (!RegisterHotKey(hWnd, 400, MOD_WIN, appkey))
    {
        // Can't register keyboard shortcut.
        MessageBox(NULL, _T("Can't register hotkey."),
                         _T("Warning"), MB_OK);
        exit(0);  // Replace with specific error handling.
    }
}


    switch(wParam)
    {
        case 400:
    // This is the keyboard shortcut you registered.
    // Is the application in the foreground?
    if (hWnd != GetForegroundWindow())
    {
    // No, bring it forward and that is all.
    // Set focus to foremost child window.
    // The "| 0x01" is used to bring any owned
    // windows to the foreground and open them.
    SetForegroundWindow((HWND)((ULONG) hWnd | 0x00000001));
    }
    else
    {
    // Already on top, so take an action.
    MessageBox(hWnd, _T("Hotkey Pressed"),
                     _T("Hotkey"), MB_OK);
    }
    break;


    case WM_DESTROY:
        appkey = SHGetAppKeyAssoc(_T("testkeys.exe"));
        if (appkey != 0)
        {
            if(!UnregisterHotKey(hWnd, 400))
        {
            // Can't unregister hotkey.
            MessageBox(NULL, _T("Can't unregister hotkey"),
                             _T("Warning"), MB_OK);
            exit(0);  // Replace with specific error handling.
        }
    }