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Hiding a property

Posted on 2004-09-01
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Last Modified: 2010-04-15
Hi everyone ..

I have a control NumericTextBox which is inherited from TextBox. Now, TextBox has a property named .Text which I would like to hide from the programmer.

So if the user adds a NumerictextBox to his form, there should be no option .Text

NumericTextBox myNtb = new NumericTextBox();
myNtb.Font ... works
myNtb.Size ... works
myNtb.Text ... doesn't exist


Is there any way how I can do that ?
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Question by:somnatic
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gregoryyoung earned 2000 total points
ID: 11951711
You can't ... the only thing you could do is override the .Text method ...

There is reason for this though. If you could inherit from a class to remove functionality (i.e. externally visible items) you would break polymorphism.
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by:somnatic
ID: 11951769
ok, already thought so .. only couldn't think of a reason ..

but now that's clear .. makes sense as well :)
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LVL 37

Expert Comment

by:gregoryyoung
ID: 11951805
glad to help.

Cheers,

Greg
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