| Puzzling over inherited objects [message #84572] |
Tue, 04 June 2013 14:51 |
Helder Marchetto
Messages: 520
Registered: November 2011
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Senior Member |
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Hi,
I'm quite new to using objects and wanted to do a bit more with what I have been doing until now (not much anyway...). So here is the deal.
I want to create an object that incorporates (inherits?) the a typical object such as IDLanROI. So that the structure definition would look like this something like this:
class = {MyRoiObj, INHERITS IDLanROI, IDNr:0L}
where I simply added an ID to each IDLanROI. I still want to have all the functionality of the methods associated with IDLanROI.
The problem is: how would I assign the object (properties of) IDLanROI to my new object in the init function? I guess (and I'm quite sure) that something like
self = obj_new('IDLanROI')
or
void = obj_new('IDLanROI')
struct_assign, self, void
will not work. So the only solution I see at the moment is to create the structure as:
class = {MyRoiObj, IDLanROI_ref:OBJ_NEW(), IDNr:0L}
And then in the init or whereelse, assign the object as:
self.IDLanROI_ref = obj_new('IDLanROI')
So here is the question... is there a better way to do this? Ideally objects are made with inheritance... I simply can't find a way to use that in my case.
Any suggestions?
Thanks,
Helder
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