"keith" <keithidasa@gmail.com> wrote in message
news:1130380053.751032.114670@f14g2000cwb.googlegroups.com...
> Hi,
>
> I have a COM interface definition which has a property set like this:
>
> [propget, helpstring("property Prop")] HRESULT Prop([out, retval]
> GuidType *pVal);
> [propput, helpstring("property Prop")] HRESULT Prop([in] GuidType
> newVal);
>
> Where 'GuidType' is a typedef of GUID.
>
> I wish to implement this as a .NET class and have done so successfuly
> with other properties of the interface that are not GUIDs. But the
> above GUID property gives the following message:
>
> error CS0536: 'YourLibrary.YourClass' does not implement interface
> member 'COMLib.COMInterface.Prop'. 'YourLibrary.YourClass.Prop' is
> either static, not public, or has the wrong return type.
>
> Obviously it's the return type that the compiler is having difficulty
> with.
>
> In the .NET class definition I have this:
>
> public Guid Prop
> {
> get {return m_Prop;}
> set {m_Prop = value;}
> }
>
> also
>
> public COMLib.GuidType Prop
> {
> get {return m_Prop;}
> set {m_Prop = value;}
> }
>
> but both result in this error. What return type am I supposed to use
> here?
>
> Sorry for the long post, but i'm totally stuck here.
> Thanks in advance,
>
> Keith
>

Phil Wilson wrote:
> I suspect your client doesn't know what a Guid is because it's not one of
> the standard COM types that can be marshaled without a custom type library.
> Does it work if you use a string instead?
> --
> Phil Wilson
> [Microsoft MVP-Windows Installer]
> Definitive Guide to Windows Installer
> http://apress.com/book/bookDisplay.html?bID=280
>
> "keith" <keithidasa@gmail.com> wrote in message
> news:1130380053.751032.114670@f14g2000cwb.googlegroups.com...
> > Hi,
> >
> > I have a COM interface definition which has a property set like this:
> >
> > [propget, helpstring("property Prop")] HRESULT Prop([out, retval]
> > GuidType *pVal);
> > [propput, helpstring("property Prop")] HRESULT Prop([in] GuidType
> > newVal);
> >
> > Where 'GuidType' is a typedef of GUID.
> >
> > I wish to implement this as a .NET class and have done so successfuly
> > with other properties of the interface that are not GUIDs. But the
> > above GUID property gives the following message:
> >
> > error CS0536: 'YourLibrary.YourClass' does not implement interface
> > member 'COMLib.COMInterface.Prop'. 'YourLibrary.YourClass.Prop' is
> > either static, not public, or has the wrong return type.
> >
> > Obviously it's the return type that the compiler is having difficulty
> > with.
> >
> > In the .NET class definition I have this:
> >
> > public Guid Prop
> > {
> > get {return m_Prop;}
> > set {m_Prop = value;}
> > }
> >
> > also
> >
> > public COMLib.GuidType Prop
> > {
> > get {return m_Prop;}
> > set {m_Prop = value;}
> > }
> >
> > but both result in this error. What return type am I supposed to use
> > here?
> >
> > Sorry for the long post, but i'm totally stuck here.
> > Thanks in advance,
> >
> > Keith
> >