move SendSizeEvent() down to wxWindow from wxFrame; added SendSizeEventToParent() helper

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54803 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/frame.cpp

@@ -1379,20 +1379,3 @@ wxWindow* wxFrame::GetClient()
     return wxFindWinFromHandle((WXHWND)::WinWindowFromID(m_hFrame, FID_CLIENT));
 }
 
-void wxFrame::SendSizeEvent()
-{
-    if (!m_bIconized)
-    {
-        RECTL                       vRect = wxGetWindowRect(GetHwnd());
-
-        ::WinPostMsg( GetHwnd()
-                     ,WM_SIZE
-                     ,MPFROM2SHORT( vRect.xRight - vRect.xLeft
-                                   ,vRect.xRight - vRect.xLeft
-                                  )
-                     ,MPFROM2SHORT( vRect.yTop - vRect.yBottom
-                                   ,vRect.yTop - vRect.yBottom
-                                  )
-                    );
-    }
-}