Call Mts Component builded by VC6

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2 total messages Started by Fang Wed, 19 May 1999 00:00

#1798

Author: Fang
Date: Wed, 19 May 1999 00:00

21 lines
914 bytes

When I call simple Mts Component ,that have return a value, builded by VC6
in C++Builder,
I meet Access violetion.
but call in vc6 is ok.

follow call source

  Variant vResult;
  Variant vMTSObject = CreateOleObject("PMTSIDObject.IDServer");
  Variant  v0,v1;
  v0 =2;
  vMTSObject.OleProcedure("RetKey",
             v0, v1);

v0 is input value.
v1 is return value.

I try use OleFunction or OlePropertyGet,
All fail.

Help

Re: Call Mts Component builded by VC6

#1799

Author: Harold Howe [TeamB]
Date: Wed, 19 May 1999 00:00

21 lines
1127 bytes

>   Variant vResult;
>   Variant vMTSObject = CreateOleObject("PMTSIDObject.IDServer");
>   Variant  v0,v1;
>   v0 =2;
>   vMTSObject.OleProcedure("RetKey",
>              v0, v1);
> 
> v0 is input value.
> v1 is return value.
> 
> I try use OleFunction or OlePropertyGet,
> All fail.


Does the COM object have a type library that you can import? That way,
you can call the object directly instead of going through IDispatch. How
do you call the MTS object from VC6? With IDispatch, or through the
vtable?

Harold Howe [TeamB]
http://www.bcbdev.com

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