Re: Passing property Accesor as Function`

Richard, I'm idealistically trying to find a way of choosing the correct
type conversion based on the type of the property.  Like I said, it was
really a hypothetical issue; I'm going to use PropertyInfo objects and
attributes in production.

> -----Original Message-----
> From: Discussion of development on the .NET platform using any managed
> language [mailto:[email protected]] On Behalf Of Richard
> Blewett
> Sent: 19 November 2007 04:05 PM
> To: [email protected]
> Subject: Re: [DOTNET-CLR] Passing property Accesor as Function`
>
> What I don't understand is why your method doesn't simple return the
> data
> instead of trying to pass a property by reference. I assume there is
> some
> underlying issue that isn't obvious from the code
>
> Regards
>
> Richard Blewett - DevelopMentor
>
> > -----Original Message-----
> > From: Discussion of development on the .NET platform using any
> managed
> > language [mailto:[email protected]] On Behalf Of Brady
> > Kelly
> > Sent: 19 November 2007 06:22
> > To: [email protected]
> > Subject: [DOTNET-CLR] Passing property Accesor as Function`
> >
> > Warning:  This is a purely academic and speculative post.
> >
> >
> >
> > This has suddenly become a real 'would like to have' feature in the
> > project
> > I'm currently working on.  I know this isn't possible in standard C#,
> > but
> > I'm trying to find a hammer with the right weight and shape to beat
> > this
> > into some semblance of working.  What I would like to achieve is
> > something
> > like this, in the commented line:
> >
> >
> >
> >     public class PersonForm
> >
> >     {
> >
> >         System.Windows.Forms.TextBox textRate = new TextBox();
> >
> >         public void BuildPerson(Person person)
> >
> >         {
> >
> >             Person pers = new Person();
> >
> >             pers.HourlyRate = textRate.Text.Length == 0 ? (double?)
> > null :
> > double.Parse(textRate.Text);
> >
> >             // SetPropertyFromText(pers.HourlyRate, textRate.Text)
> >
> >         }
> >
> >     }
> >
> >
> >
> > My SetPropertyFromText should take the pers.HourlyRate as a delegate
> > parameter, not as a double?, determine the correct type conversion
> > based on
> > the type of the pers.HourlyRate, and set the property to the
> converted
> > object value.
> >
> >
> >
> > I can easily use a property name as my property parameter for
> > SetPropertyFromText, but then I lose compile time checks.  Our
> > generated
> > DAL, nettiers, provides, for each entity, an Enum with all the column
> > properties for each entity, and I think this is about as close as
> I've
> > seen
> > to what I want, but not quite there.
> >
> >
> >
> > Any ideas on the matter?
> >
> >
> >
> >
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