[DUG] Cant convert varianttypecastError to OleStr

[Paul A Norman]

Ah got it its your TLocateOptions

On 19/05/06, Paul A Norman <paul.a.norman at gmail.com> wrote:
>
>  Dear Phil,
>
> Just to help me understand, what is the story with the empty member [] ?
> It appears to be part of the locate function call, is there a bracket
> missing? Is it meant to be an array member?
>
> Otherwise, not sure but I know that there are issues when using VarArrayCreate
> Routine (which you are not *directly *doing) with "The element type of the
> array, given by the VarType parameter, is a variant type code. This must be
> one of the constants defined in the System unit. It cannot include the
> varArray or varByRef bits. The element type cannot be varString or a custom
> Variant type. To create a variant array of strings use the varOleStr type
> code. "
>
>
>  On 19/05/06, Phil Scadden <p.scadden at gns.cri.nz> wrote:
> >
> > Got a strange one.
> >
> > This line:
> >        ADOTable1.Locate('Alarmtime',VarArrayOf([dt]),[]);
> >
> > generates 'Could not convert variant of type (Array Variant) into type
> > (Olestr).
> > (dt is TDateTime)
> >
> > Any ideas what is going on???
> >
> >
> > ----------------------------------------------------------
> > Phil Scadden, Institute of Geological and Nuclear Sciences
> > 764 Cumberland St, Private Bag 1930, Dunedin, New Zealand
> > Ph +64 3 4799663, fax +64 3 477 5232
> >
> > _______________________________________________
> > Delphi mailing list
> > Delphi at ns3.123.co.nz
> > http://ns3.123.co.nz/mailman/listinfo/delphi
> >
>
>
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