TVariantInParam

Valence

CBuilder Developer

TVariantInParam

2007-08-06 02:26:08 AM
cppbuilder46
2007 says that TVariantInParam is obsolete. The help does not suggest that,
or what to do.
What do we replace it with?
TOLEBOOL cannot be passed to a TAutoArg without casting to (bool); Why?
Isn't it funny that when I google the TVariantInParam, I only get Chinese
threads.

Remy Lebeau (TeamB)

CBuilder Developer

2007-08-07 01:31:37 AM

Re:TVariantInParam

"Valence" < XXXX@XXXXX.COM >wrote in message

Quote

2007 says that TVariantInParam is obsolete. The help does
not suggest that, or what to do.
Borland deprecated use of smart wrappers, such as TVariantInParam, in COM

method parameters back in BCB 6.

Quote

What do we replace it with?
Use VARIANT directly instead. That is what is being passed in to begin

with.

Quote

TOLEBOOL cannot be passed to a TAutoArg without
casting to (bool); Why?
Probably because it would be ambiquious to do so. TAutoArgs exposes access

to an array of TVariant items. The TVariant class has constructors and '='
operators for both 'bool' and TOLEBOOL values. TOLEBOOL also has a
conversion operator for 'bool'. So a cast is needed in order for the
compiler to know which operators to call.
Gambit

Valence

CBuilder Developer

2007-08-07 05:24:00 AM

Re:TVariantInParam

"Remy Lebeau (TeamB)" < XXXX@XXXXX.COM >wrote in message

Quote

"Valence" < XXXX@XXXXX.COM >wrote in message
news: XXXX@XXXXX.COM ...

>2007 says that TVariantInParam is obsolete. The help does
>not suggest that, or what to do.

Use VARIANT directly instead.
>TOLEBOOL cannot be passed to a TAutoArg without
>casting to (bool); Why?
Probably because it would be ambiquious to do so. TAutoArgs exposes
access
to an array of TVariant items. The TVariant class has constructors and
'='
operators for both 'bool' and TOLEBOOL values. TOLEBOOL also has a
conversion operator for 'bool'. So a cast is needed in order for the
compiler to know which operators to call.
Thanks.

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