[Win32 API]Popup menu v taskbaru

// v initu ikone (Shell_NotifyIcon):

NOTIFYICONDATA nid;
...
nid.hWnd = tvoj_window;
nid.uflags |= NIF_MESSAGE;
nid.uCallbackMessage = TVOJMESSAGE;


// message handler od tvoj_window:

        if(message == TVOJMESSAGE) {
                if(lParam == WM_RBUTTONDOWN || lParam == WM_CONTEXTMENU) {
                               POINT pos;
                                GetCursorPos(&pos);
                                SetForegroundWindow(hwnd);
                                TrackPopupMenu(tvoj_menu, TPM_LEFTALIGN | TPM_TOPALIGN,
                                        pos.x, pos.y, 0, hwnd, 0);
                }

                if(lParam == WM_LBUTTONUP) {
                        ... left klik na ikono
                }

                if(lParam == NIN_BALLOONUSERCLICK)
                        ... klik na balon

                return TRUE;
        }