[Mono-list] Calling a constructor from within another's code
Stifu
stifu at free.fr
Tue Nov 16 13:54:58 EST 2010
You could always move the base constructor code to a protected method and
call it from the derived class constructor.
public class C : B
{
public C ()
{
MyDataStruct data = GetDataFromTheDatabase ();
this.InitStuff( data.a, data.b );
}
}
*shrugs*
fran wrote:
>
> Hello,
>
> I know you can call a base class constructor using ": base" after the
> new constructor signature. I.e.:
>
> public class A
> {
> int i;
> public A (int _i)
> {
> i=_i;
> }
> }
>
> public class B : A
> {
> public B (int a, int b) : base (a+b) // Calls A constructor with _i
> as _a+_b
> {
> }
> }
>
> But what happens if you should made some more complicated that cannot be
> done in that way???
>
> For example:
>
> public class C : B
> {
> public C ()
> {
> MyDataStruct data = GetDataFromTheDatabase ();
> base ( data.a, data.b ); // This will not work, indeed, but
> illustrates the idea...
> }
> }
>
> This is a question more focused on C# than in mono itself, but I hope
> not to disturb no one doing it here since the list has not very high
> trafic.
>
> Best regards,
> _______________________________________________
> Mono-list maillist - Mono-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-list
>
>
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