GetActivityId Method Example

[This product will work only on Windows NT 4.0 versions and earlier. For Windows 2000 and later, see COM+ (Component Services).]

#include <mtx.h>

HRESULT hr = S_OK;
IObjectContext *pIObjectContext = NULL;
IObjectContextActivity *pIObjectContextActivity = NULL;
GUID activityId;

// Get object context
hr = GetObjectContext(&pIObjectContext);
// Get IObjectContextActivity interface
hr = pIObjectContext->
    QueryInterface(IID_IObjectContextActivity,
    (void**)&pIObjectContextActivity);
// Use IObjectContextActivity to retrieve
// the activity GUID.
hr = pIObjectContextActivity->
    GetActivityId(&activityId);

// Do something with the activity GUID here.

// Release the IObjectContextActivity
// and the IObjectContext pointers
pIObjectContextActivity->Release();
pIObjectContext->Release();