QlikView OCX

Thu, 24 Nov 2011 21:52:50 GMT

I have read through the QlikView OCX Reference manual. I see there that a method called StartRegFreeOperation is mentioned. I would like to know if anyone has ever used this method and knows exactly what it does and what it is used for.

QlikView OCX

Tue, 01 May 2012 16:41:52 GMT

"Normally" you have a registered OCX with the associated dll sitting off in some place like C:\Program Files\ ....

When your program needs to use the OCX this is the dll that is used. This means the OCX must be installed and registered before your program can use it.

But what if you'd like to distribute the OCX.dll as part of your program and NOT require the user to install/register the OCX?

This is possible using StartRegFreeOperation.

You need to

Put the OCX.dll in a known place, maybe beside your .exe
In your code: add the location to the path environment so that when Windows trys to find the dll it knows to check this location
Invoke StartRegFreeOperation

Then when your app tries to use the OCX code, Windows will find it, load it and use it.

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