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IMSAdminBase::DeleteData

  • Artículo

The IMSAdminBase::DeleteData method deletes a data from a key in the metabase.

HRESULT DeleteData(
      METADATA_HANDLE hMDHandle,
      LPCWSTR pszMDPath,
      DWORD dwMDIdentifier,
      DWORD dwMDDataType
);

Parameters

  • hMDHandle
    Specifies a handle returned by the IMSAdminBase::OpenKey method with write permission. This parameter cannot be set to METADATA_MASTER_ROOT_HANDLE.

  • pszMDPath
    Specifies the path of the key to have its data deleted, relative to the path of the handle. For example, if the handle references the /LM key, you could specify the Web services subkey using the path /W3SVC.

  • dwMDIdentifier
    Specifies the identifier of the data, such as MD_CONNECTION_TIMEOUT.

  • dwMDDataType
    Specifies a data type. If this parameter is not set to ALL_METADATA, the data item will be removed only if its data type matches the specified type. This parameter can be one of the following values.

    Data type

    Meaning

    ALL_METADATA

    Specifies all data, regardless of type.

    BINARY_METADATA

    Binary data in any form.

    DWORD_METADATA

    An unsigned 32-bit number.

    EXPANDSZ_METADATA

    A null-terminated string that contains unexpanded environment variables, such as %PATH%.

    MULTISZ_METADATA

    An array of null-terminated strings, terminated by two null characters.

    STRING_METADATA

    A null-terminated ASCII string.

Return Values

Returns an HRESULT that contains one of the following values.

Value

Description

E_ACCESSDENIED

Access is denied. Either the open handle does not have read or write permission as needed, or the user does not have sufficient permissions to perform the operation.

E_INVALIDARG

The parameter is incorrect.

HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND)

The specified path was not found in the metabase.

S_OK

The method succeeded.

MD_ERROR_DATA_NOT_FOUND

The specified data is not found in the metabase.

Requirements

Client: Requires Windows XP Professional, Windows 2000 Professional, or Windows NT Workstation 4.0.

Server: Requires Windows Server 2003, Windows 2000 Server, or Windows NT Server 4.0.

Product: IIS

Header: Declared in iadmw.h; include iiscnfg.h.