Thank you Borislav.

>>>>Hello all,
>>>>
>>>>My form needs to adjust it's position based on the _screen.DisplayOrientation. It has do so for users using a tablet.
>>>>
>>>>The sad thing is that it looks like there are no alternatives to using TopLevel forms (ShowWindow=2)
>>>>
>>>>Looks like I'll have to learn to manage those top level forms with ShowWindow, HideWindow and the others. Unless someone can tell me how this binding could work with ShowWindow in screen instead of top level.
>>>
>>>
>>>https://msdn.microsoft.com/en-us/library/ms812142.aspx
>>>check VB 6.0 examples, you can translate them easily to VFP.
>>>Use BINDEVENT to WM_DISPLAYCHANGE and handle it :-)
>>
>>Hello Borislav,
>>
>>I never used VB. So perhaps it's easy for you to translate this code but to me it's not. I just hope that someone will be able to help me with fox code.
>>
>>Regards,
>>Denis
>Something like that:
>(not tested)
>

>#define WM_DISPLAYCHANGE 126
>#define GWLP_WNDPROC      -4
>
>
>oHandler = CREATEOBJECT([oEventHandler])
>BINDEVENT(0, WM_DISPLAYCHANGE, oHandler, [WindowProc], 4+1)
>READ EVENTS
>
>DEFINE CLASS oEventHandler AS Custom
>     WndProc = 0
>
>     PROCEDURE Init
>         DECLARE INTEGER GetWindowLong IN win32api INTEGER, INTEGER
>         DECLARE INTEGER CallWindowProc IN WIN32API LONG    lpPrevWndFunc, ; 
>                                                    INTEGER hWnd, ; 
>                                                    LONG    Msg, ; 
>                                                    INTEGER wParam, ; 
>                                                    INTEGER lParam 
>         WndProc = GetWindowLong(_vfp.HWnd, GWL_WNDPROC)
>     ENDPROC
>
>     PROCEDURE WindowProc(hw As INTEGER, uMsg As INTEGER, wParam As INTEGER, lParam As INTEGER)
>     DO CASE
>        CASE uMsg == WM_DISPLAYCHANGE
>             *** Display Orientation is changed
>              IF (lParam % 0x10000) > (lParam \ 0x10000)
>                 *Run the application in landscape, for example:
>              ELSE
>                 *Run the application in portrait, for example:
>              ENDIF
>     ENDCASE
>     m.lnResult  = CallWindowProc(This._VFPWndProc, m.tnHWnd, m.tnMsg, m.tnwParam, m.tnLparam)
>
>    Return m.lnResult
>
>ENDDEFINE
>