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Pass object to method NOT by reference
Message
From
08/07/2016 17:15:11
 
 
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General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Title:
Pass object to method NOT by reference
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 8.1
Network:
Windows Server 2012 R2
Database:
Visual FoxPro
Application:
Desktop
Virtual environment:
VMWare
Miscellaneous
Thread ID:
01638158
Message ID:
01638158
Views:
89
Hi all,

This should be fairly "basic" but have never figured it out...I know how to pass a variable or array to a function by reference (by prefacing with @) but in this case I want to pass an object to a method and force it to pass by "value" i.e. make a copy

loSomeObject=CREATE("empty")
ADDPROPERTY(loSomeObject,"FileName","C:\temp\test.doc")

loFileWhizBang.OutputFile(loSomeObject)

*** and method Outputfile ***

LPARAMETERS toFileObject

* strip the path off for some use
toFileObject.FileName = JUSTFNAME(toFileObject.FileName)

I *usually* load everything into local vars when doing things like this but trying to "tighten up" some code, I decided to do the alteration on the object property not realizing that it was not a LOCAL copy. So I instead tried to pass the object in a way that forces toFileObject to a local value. Could not figure and help files did not help.

Any way to do it?

Albert
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