// ---------------------------------------------------------------------------
// the pointer to standard radio button wnd proc
// ---------------------------------------------------------------------------
// the pointer to standard radio button wnd proc
::SetWindowLong(hwndBtn, GWL_WNDPROC, (long)wxRadioBtnWndProc);
::SetWindowLong(hwndBtn, GWL_USERDATA, (long)this);
::SetWindowLong(hwndBtn, GWL_WNDPROC, (long)wxRadioBtnWndProc);
::SetWindowLong(hwndBtn, GWL_USERDATA, (long)this);