Cool! I did not know about this help file.
I did find all of the methods an properties with the .TLB file but a help files is better.

Thank you !
>Just checked. Click AutoCad Help, Then "VBA and ActiveX" automation. Under that is a shortcut link to the VBA help file. The file is in the ACAD2000\Help folder in Program Files and is named acad_ag.hlp.
>
>Once in there click "ActiveX and VBA" reference, then "Object model". That should bring up a page with graphic showing the model. You can click on each object in the graphic and it will display all the PEMS for that object.
>
>Under the Document.Open method it says the ReadOnly flag is optional, so you shouldn't have to use it.
>
>>Roi I check it out and you cannot find the Methods and Properties of the OLE object in the DOC. but you can use the ClassBrowse of VFP6.0 to open the Acad.tlb file to get all methods, events and properties.
>>
>>The deference between the Acad14 and acad15 are in the activedocument, preferences and others objects.
>>
>>You cannot do oAcad.ActiveDocument.Open(FileName) in Acad15. You need to do oAcad.Documents.open(filename,lReadOnly)