Exception Handling

One strength of managed code lies in the structured approach to error handling using exceptions. Recall our native code fragment in the context of the goto statement’s discussion in Chapter 7, “Simple Control Flow,” in the section “The goto Statement?” Let’s refresh our minds and highlight a few aspects of it:

Click here to view code image

// Dealing with HRESULT return codes in C or C++.HRESULT InitDownloadManager(){    IBackgroundCopyManager* g_pbcm = NULL;    HRESULT hr;    hr = CoInitializeEx(NULL,                        COINIT_APARTMENTTHREADED);    if (FAILED(hr))        goto Exit;    hr = CoCreateInstance(__uuidof(BackgroundCopyManager), NULL,                          CLSCTX_LOCAL_SERVER,                          __uuidof(IBackgroundCopyManager), ...

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