Compile-time error for NotSupportedException in subclass function
-
02-07-2019 - |
Question
If I have a subclass that has yet to implement a function provided by the base class, I can override that function and have it throw a NotSupportedException
. Is there a way to generate a compile-time error for this to avoid only hitting this at runtime?
Update: I can't make the base class abstract.
Solution
[Obsolete("This still needs implementing", true/false)] true if you don't want the build to succeed, false if you just want a warning
Slightly hackish ... but it does the job of warning at compile time.
OTHER TIPS
You can make the base class abstract:
abstract class Foo
{
public abstract void Bar();
}
Now, any subclass must implement Bar()
, or it won't compile.
Make it abstract with no implementation and fail to implement it in the derived class.
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