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Circle Class

Posted on 2013-11-06
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Last Modified: 2013-11-13
I need to write a class that presents graphically as a circle.

My first stumbling block is that the Ellipse class is NotInheritable.

How should I proceed ?
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Question by:Dodsworth
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7 Comments
 
LVL 83

Expert Comment

by:CodeCruiser
ID: 39628092
Just create a class which uses Ellipse class to draw itself?
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LVL 1

Author Comment

by:Dodsworth
ID: 39639353
Hmm.. I've been pondering your suggestion for a week now.

My Circle class is uses most of the properties and methods of the ellipse class but I need to link in additional data (createddate, updateddate, owner, etc)

In previous projects I'd inherit a button, as it has all the properties and events that I need, but this requirement is all about circles.  Why can't I inherit an ellipse anyway ?

I'm tempted to write some bad code and parse the additional properties out of .tag !

Any ideas on a less dirty approach ?
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LVL 83

Accepted Solution

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CodeCruiser earned 500 total points
ID: 39639945
Yeah given the problem that ellipse is not inheritable for some reason, the two options are to create a class which uses ellipse to render itself or use the ellipse class itself and store the additional information in tag property.
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LVL 1

Author Comment

by:Dodsworth
ID: 39641285
I've only ever parsed out strings from a .tag but just noticed..

Public Property Tag As Object

Could I write a class for my additional properties and some how place a pointer to an instance of the class in the .tag property ?
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LVL 83

Expert Comment

by:CodeCruiser
ID: 39642981
Yes you can.
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LVL 1

Author Comment

by:Dodsworth
ID: 39643957
But then I'd have to cast it to get at the properties right?
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LVL 83

Expert Comment

by:CodeCruiser
ID: 39646270
Yes because it would be stored as type object.
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