>>Hi All
>>i modify reportpreview.app and add some methods and property and compile it.
>>now when i want to change thos properties cause an errorthat this property does not exist.but it exists.
>>

>>do (_ReportPreview) with loPreview
>>with loPreview
>>	.CurrentPage      = 4	&& start with page 4
>>	.ToolbarIsVisible = .F.	&& don't display the toolbar
>>	.CanvasCount      = 2	&& display 2-up pages
>>	.ZoomLevel        = 4	&& set zoom to 75%
>>	.Width            = _screen.Width - 30
>>	.Caption          = 'See how this preview window has been customized'
>>	.saveoptions="DTEHXF" && My Propert
>>endwith
>>

>
>Did you verify that _ReportPreview points to your application and not the standard one?

i replace my reportpreview.app on the old one.