70 lines
2 KiB
C++
70 lines
2 KiB
C++
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//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1994 - 1997.
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//
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// File: cshelp.cpp
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//
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// Contents: Helper functions for working with the class store
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//
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// Classes:
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//
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// Functions: DeletePackageAndDependants
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//
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// History: 6-26-1997 stevebl Created
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//
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//---------------------------------------------------------------------------
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#include "precomp.hxx"
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void DeleteApp(IClassAdmin * pca, APPDETAIL &ad)
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{
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// I would here try to delete any IIDs associated with this app but
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// there is no way to determine which IIDs ARE associated with this app.
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// Delete any CLSIDs associated with this app
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DWORD nIndex = ad.cClasses;
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while (nIndex--)
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{
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// Deliberately ignoring the return code
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pca->DeleteClass(ad.prgClsIdList[nIndex]);
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}
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}
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//+--------------------------------------------------------------------------
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//
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// Function: DeletePackageAndDependants
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//
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// Synopsis: deletes a package from the class store along with all of the
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// other objects that are associated with it (CLSIDs, etc)
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//
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// Arguments: [pca] - IClassAdmin pointer
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// [szName] - name of the package to be removed
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// [ppd] - pointer to the PACKAGEDETAIL structure
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//
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// Returns: S_OK on success
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//
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// History: 6-26-1997 stevebl Created
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//
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//---------------------------------------------------------------------------
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HRESULT DeletePackageAndDependants(IClassAdmin * pca, LPOLESTR szName, PACKAGEDETAIL * ppd)
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{
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// First delete the package. Any CLSIDs or IIDs that were
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// implemented solely by this package can now be deleted from the
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// class store. If they are also implemented by other packages that
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// are still in the class store, then deleting them will return an
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// error which we can safely ignore.
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HRESULT hr = pca->DeletePackage(szName);
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DWORD nApp = ppd->cApps;
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while (nApp--)
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{
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DeleteApp(pca, ppd->pAppDetail[nApp]);
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}
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return hr;
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}
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