IDebugComPlusSymbolProvider::GetLocalVariablelayout

Mengambil tata letak variabel lokal untuk sekumpulan metode.

Sintaks

C#

int GetLocalVariablelayout(
    uint        ulAppDomainID,
    Guid        guidModule,
    uint        cMethods,
    int[]       rgMethodTokens,
    out IStream pStreamLayout
);

C++

HRESULT GetLocalVariablelayout(
    ULONG32   ulAppDomainID,
    GUID      guidModule,
    ULONG32   cMethods,
    _mdToken  rgMethodTokens[],
    IStream** pStreamLayout
);

Parameter

ulAppDomainID
[di] Pengidentifikasi domain aplikasi.

guidModule
[di] Pengidentifikasi unik modul.

cMethods
[di] Jumlah token metode dalam rgMethodTokens array.

rgMethodTokens
[di] Array token metode.

pStreamLayout
[out] Aliran teks yang berisi tata letak variabel.

Tampilkan Nilai

Jika berhasil, mengembalikan S_OK; jika tidak, mengembalikan kode galat.

Contoh

Contoh berikut menunjukkan cara menerapkan metode ini untuk objek CDebugSymbolProvider yang mengekspos antarmuka IDebugComPlusSymbolProvider .

HRESULT CDebugSymbolProvider::GetLocalVariablelayout(
    ULONG32 ulAppDomainID,
    GUID guidModule,
    ULONG32 cMethods,
    _mdToken rgMethodTokens[],
    IStream** ppStreamLayout)
{
    HRESULT hr = S_OK;

    METHOD_ENTRY(CDebugSymbolProvider::GetLocalVariablelayout);

    CComPtr<ISymUnmanagedReader> symReader;
    IfFailRet(GetSymUnmanagedReader(ulAppDomainID, guidModule, (IUnknown **) &symReader));
    CComPtr<IStream> stream;
    IfFailRet(CreateStreamOnHGlobal(NULL, true, &stream));

    for (ULONG32 iMethod = 0; iMethod < cMethods; iMethod += 1)
    {
        CComPtr<ISymUnmanagedMethod> method;
        IfFailRet(symReader->GetMethod(rgMethodTokens[iMethod], &method));
        CComPtr<ISymUnmanagedScope> rootScope;
        IfFailRet(method->GetRootScope(&rootScope));

        //
        // Add the method's variables to the stream
        //
        IfFailRet(AddScopeToStream(rootScope, 0, stream));

        // do end of method marker
        ULONG32 depth = 0xFFFFFFFF;
        ULONG cb = 0;
        IfFailRet(stream->Write(&depth, sizeof(depth), &cb));
    }

    LARGE_INTEGER pos;
    pos.QuadPart = 0;
    IfFailRet(stream->Seek(pos, STREAM_SEEK_SET, 0));
    *ppStreamLayout = stream.Detach();

    METHOD_EXIT(CDebugSymbolProvider::GetLocalVariablelayout, hr);
    return hr;
}

Baca juga

• IDebugComPlusSymbolProvider