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AddProperty Vs NewObject
Message
From
05/01/2009 11:35:48
 
 
To
05/01/2009 11:14:19
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP SP2
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01370969
Message ID:
01371063
Views:
18
>>Hi,
>>
>>When I need to add an object to a form I can either:
>>
>>
THIS.ADDPROPERTY([oBjName], NEWOBJECT([ClassName], [cVcxSpec]))
>>
>>or
>>
THIS.NEWOBJECT([oBjName], [ClassName], [cVcxSpec])
>>
>>I try to study the object added both ways in the debugger and I really can't figure out what is the difference between the two...
>>
>>Technically, is there any difference in the above?
>>What should I consider when trying to choose either of the ways?
>
>With ADD/NEWOBJECT the object become a parent member ( Added to the Parent.Objects collection )
>- Any external reference to the member, stop the interactive destroy of the parent object ...
>- VFP draw only member objects
>- Parent.Refresh() call Member.Refresh()
>
>With ADDPROPERTY it is a reference to the object only, like a variable; nothing more than that.

Thank you!
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