Properti IAppHostConfigFile::RootSectionGroup

Mengembalikan grup bagian konfigurasi akar untuk file konfigurasi saat ini.

Sintaks

HRESULT get_RootSectionGroup(  
   [out,  
   retval] IAppHostSectionGroup** ppSectionGroups  
);  

Parameter

ppSectionGroups
Pointer ke pointer untuk antarmuka IAppHostSectionGroup .

Tampilkan Nilai

Sebuah HRESULT. Nilai yang mungkin termasuk, tetapi tidak terbatas pada, yang ada dalam tabel berikut.

Nilai	Deskripsi
S_OK	Menunjukkan bahwa operasi berhasil.

Contoh

Contoh kode berikut menunjukkan cara menggunakan grup bagian akar untuk mengakses sistem konfigurasi. Sampel mengasumsikan bahwa Anda telah mendaftarkan grup bagian mySectionGroup dan myNewSection nama bagian dalam tabel bagian dan skema konfigurasi.

#pragma once

#include <stdio.h>
#include <string.h>
#include <ahadmin.h>

int main()
{
    IAppHostWritableAdminManager        * pWMgr       = NULL;
    IAppHostConfigManager               * pCfgMgr     = NULL;
    IAppHostConfigFile                  * pCfgFile    = NULL; 
    IAppHostSectionGroup                * pRtSctnGrp  = NULL;
    IAppHostSectionGroup                * pSctnGrp    = NULL;
    IAppHostSectionDefinitionCollection * pSctnDefCol = NULL;
    IAppHostSectionDefinition           * pSctnDef    = NULL;

    HRESULT hr                    = S_OK;
    BSTR    bstrConfigCommitPath  = SysAllocString( L"MACHINE/WEBROOT/APPHOST" );
    BSTR    bstrSectionGroupName  = SysAllocString( L"mySectionGroup" );
    BSTR    bstrSectionName       = SysAllocString( L"myNewSection" );
    BSTR    bstrDeny              = SysAllocString( L"Deny" );
    VARIANT vtSectionGroupName;
    vtSectionGroupName.vt         = VT_BSTR;
    vtSectionGroupName.bstrVal    = bstrSectionGroupName;
    VARIANT vtSectionName;
    vtSectionName.vt              = VT_BSTR;
    vtSectionName.bstrVal         = bstrSectionName;

    // Initialize
    hr = CoInitializeEx( NULL, COINIT_MULTITHREADED );
    if ( FAILED( hr ) )
    {
        printf_s( "ERROR: Unable to initialize\n" );
        goto exit;
    } 

    // Create
    hr = CoCreateInstance( __uuidof( AppHostWritableAdminManager ), NULL, 
            CLSCTX_INPROC_SERVER,
            __uuidof( IAppHostWritableAdminManager ), (void**) &pWMgr );
    if( FAILED( hr ) )
    {
        printf_s( "ERROR: Unable to create an IAppHostWritableAdminManager\n" );
        goto exit;
    }

    // Set the commit path
    pWMgr->put_CommitPath( bstrConfigCommitPath );

    // Get an IAppHostConfigManager
    hr = pWMgr->get_ConfigManager( &pCfgMgr );
    if ( FAILED( hr ) || ( &pCfgMgr == NULL ) )
    {
        printf_s( "ERROR: Unable to get a config manager.\n" );
        goto exit;
    }
    
    // Get an IAppHostConfigFile
    hr = pCfgMgr->GetConfigFile( bstrConfigCommitPath, &pCfgFile );
    if ( FAILED( hr ) || ( &pCfgFile == NULL ) )
    {
        if ( E_ACCESSDENIED == hr )
        {
            printf_s( "ERROR: Access to configuration denied.\n" );
            printf_s( "       Run sample as an administrator.\n" );
        }
        else
        {
            printf_s( "ERROR: Unable to get config file.\n" );
        }
        goto exit;
    }

    // Get the root section group
    hr = pCfgFile->get_RootSectionGroup( &pRtSctnGrp );
    if ( FAILED( hr ) || ( &pRtSctnGrp == NULL ) )
    {
        printf_s( "ERROR: Unable to access root section group\n" );
        goto exit;
    }

    // Add a new section group
    hr = pRtSctnGrp->get_Item( vtSectionGroupName, &pSctnGrp );
    if ( FAILED( hr ) || ( &pSctnGrp == NULL ) )
    {
        wprintf_s( L"ERROR: Unable to find section group: %s\n", bstrSectionGroupName );
        goto exit;
    }

    // Get the section collection
    hr = pSctnGrp->get_Sections( &pSctnDefCol );
    if ( FAILED( hr ) || ( &pSctnDefCol == NULL ) )
    {
        printf_s( "ERROR: Unable to access section collection\n" );
        goto exit;
    }

    // Add the new section    
    hr = pSctnDefCol->get_Item( vtSectionName, &pSctnDef );
    if ( FAILED( hr ) || ( &pSctnDef == NULL ) )
    {
        wprintf_s( L"ERROR: Unable to find section: %s\n", bstrSectionName );
        goto exit;
    }

    // Set the section attributes
    pSctnDef->put_OverrideModeDefault( bstrDeny );

    // Commit the changes to the configuration system
    pWMgr->CommitChanges();

exit:
    // Exiting / Unwinding
    if ( pRtSctnGrp != NULL )
    {
        pRtSctnGrp->Release(); 
        pRtSctnGrp = NULL;
    }
    if ( pSctnGrp    != NULL )
    {
        pSctnGrp->Release(); 
        pSctnGrp = NULL;
    }
    if ( pSctnDefCol != NULL )
    {
        pSctnDefCol->Release(); 
        pSctnDefCol = NULL;
    }
    if ( pSctnDef != NULL )
    {
        pSctnDef->Release(); 
        pSctnDef = NULL;
    }
    if ( pCfgFile != NULL )
    {
        pCfgFile->Release();
        pCfgFile = NULL;
    }
    if ( pCfgMgr != NULL )
    {
        pCfgMgr->Release();
        pCfgMgr = NULL;
    }
    if ( pWMgr != NULL )
    {
        pWMgr->Release(); 
        pWMgr = NULL;
    }

    SysFreeString( bstrConfigCommitPath );
    SysFreeString( bstrDeny );

    // Uninitialize
    CoUninitialize();

    return 0;
};

Persyaratan

Jenis	Deskripsi
Klien	- IIS 7.0 di Windows Vista - IIS 7.5 di Windows 7 - IIS 8.0 di Windows 8 - IIS 10.0 pada Windows 10
Server	- IIS 7.0 di Windows Server 2008 - IIS 7.5 di Windows Server 2008 R2 - IIS 8.0 di Windows Server 2012 - IIS 8.5 di Windows Server 2012 R2 - IIS 10.0 di Windows Server 2016
Produk	- IIS 7.0, IIS 7.5, IIS 8.0, IIS 8.5, IIS 10.0 - IIS Express 7.5, IIS Express 8.0, IIS Express 10.0
Header	Ahadmin.h

Lihat juga

Antarmuka IAppHostConfigFile