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TCOM

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Leikan

Leikan

Programmer
Feb 19, 2003
1
CA
I have a server which expose an api call CreateActiveXControl and it has 3 in parameters and 1 out/retval parameter. The first parameter excepts an BSTR and the second parameter excepts a long and the third parameter excepts an IUnknown* pointer. This is the line that I have

set ProfileSetup [ $DebugControlWindow CreateActiveXControl "PROFILESETUP.ProfileSetupCtrl.1" 0 [::tcom::null] ]

I am trying to past a null IUnknown* pointer to this api, but I got an error saying type mistmatch. Can some one please tell me how I can past in a null IUnknown* pointer to this api?

Thank you in advance.

 
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