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Saving the chart template to an OLE file, using the IPersistStreamInit interface

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I know that the Export method from the IDispatch interface can be utilized

to save a template of the chart without the data. My question, is that I am

using the IPersistStreamInit interface to save the chart, and I was

wondering how I could go about eliminating the data in this method.

A snippet of my code is shown below...do I need to call the Export method,

or is there another interface I need to use?

IPersistStorage *pIPS;

IPersistStreamInit *pIPSI;

hr = pObject->QueryInterface(IID_IPersistStorage,(void **)&pIPS);

if (SUCCEEDED(hr))

hr = pIPS->QueryInterface(IID_IPersistStreamInit,(void



if (SUCCEEDED(hr)) {


hr = pIPSI->GetClassID(&clsID);

hr = WriteClassStm(pStream, clsID);

hr = pIPSI->Save(pStream, TRUE);





return hr;


Abe Krebs

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