>> There is probably some form's property responsible for this. Can you post all non-default properties of the form?

Had looked through and could not see anything, but here they are;

CXMLDATA = 
ENGLISH_CAPTION = Control: Unnamed (#) ~           /   -           /   
HEIGHT = 550
LEFT = 1
LOCKSCREEN = .F.
LSCREENLOCK = .F.
MINHEIGHT = 550
MINWIDTH = 800
NAME = EHRCNTL
NAVIGATEDATACHANGED = .F.
NLASTNAVFRAMEPAGE = 0
NSELECTEDGUEST = 1
SELECTEDRESERVATION =   2029
SHOWTIPS = .T.
SOURCE = 
TAG = 
TOP = 0
VISIBLE = .T.
WIDTH = 800
_MEMBERDATA = <VFPData><memberdata name="changetheme" type="method" display="ChangeTheme"/><memberdata name="initthemedcontrol" type="method" display="InitThemedControl"/><memberdata name="navigateprint" type="method" display="NavigatePrint" favorites="True"/><memberdata name="activate" type="method" display="Activate"/><memberdata name="osubform" type="property" display="oSubForm"/><memberdata name="osubform_assign" type="property" display="oSubForm_Assign"/><memberdata name="subformreturn" type="method" favorites="True" display="SubFormReturn"/><memberdata name="selectedreservation" type="property" display="SelectedReservation"/><memberdata name="selectedreservation_assign" type="property" display="SelectedReservation_Assign"/><memberdata name="showcaption" type="method" display="ShowCaption"/><memberdata name="runreport" type="method" display="RunReport"/><memberdata name="cxmldata" type="property" display="cXMLData"/><memberdata name="updatedisplayedforms" type="method" display="UpdateDisplayedForms"/><memberdata name="source" type="property" display="Source"/><memberdata name="setform" type="method" display="SetForm"/><memberdata name="positionpagecontainer" type="method" display="PositionPageContainer"/><memberdata name="nselectedguest" type="property" display="nSelectedGuest"/><memberdata name="nselectedguest_assign" type="property" display="nSelectedGuest_Assign"/><memberdata name="nlastnavframepage" type="property" display="nLastNavFramePage"/><memberdata name="refreshpagecontainer" type="method" display="RefreshPageContainer"/></VFPData>

_NORIGINALFONTSIZE = 9
_NORIGINALHEIGHT = 550
_NORIGINALLEFT = 1
_NORIGINALTOP = 0
_NORIGINALWIDTH = 800
_WMNOTIFYHWND = 0
_WMNOTIFYLPARAM = 0
_WMNOTIFYMSG = 0
_WMNOTIFYWPARAM = 0
__WCCL_EXTFORMNAME = __WCCL__2R40WXBKK
__WCCL_EXTREFSCOUNTER = 2
__WCCL__2R40WXBKJ = (Object)
__WCCL__2R40WXBN5 = (Object)

Gary.