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description title ms.date f1_keywords helpviewer_keywords ms.assetid
Learn more about: COleTemplateServer Class
COleTemplateServer Class
11/04/2016
COleTemplateServer
AFXDISP/COleTemplateServer
AFXDISP/COleTemplateServer::COleTemplateServer
AFXDISP/COleTemplateServer::ConnectTemplate
AFXDISP/COleTemplateServer::Unregister
AFXDISP/COleTemplateServer::UpdateRegistry
COleTemplateServer [MFC], COleTemplateServer
COleTemplateServer [MFC], ConnectTemplate
COleTemplateServer [MFC], Unregister
COleTemplateServer [MFC], UpdateRegistry
47a2887d-8162-4993-a842-a784177c7f5c

COleTemplateServer Class

Used for OLE visual editing servers, automation servers, and link containers (applications that support links to embeddings).

Syntax

class COleTemplateServer : public COleObjectFactory

Members

Public Constructors

Name Description
COleTemplateServer::COleTemplateServer Constructs a COleTemplateServer object.

Public Methods

Name Description
COleTemplateServer::ConnectTemplate Connects a document template to the underlying COleObjectFactory object.
COleTemplateServer::Unregister Unregisters the associated document template.
COleTemplateServer::UpdateRegistry Registers the document type with the OLE system registry.

Remarks

This class is derived from the class COleObjectFactory; usually, you can use COleTemplateServer directly rather than deriving your own class. COleTemplateServer uses a CDocTemplate object to manage the server documents. Use COleTemplateServer when implementing a full server, that is, a server that can be run as a standalone application. Full servers are typically multiple document interface (MDI) applications, although single document interface (SDI) applications are supported. One COleTemplateServer object is needed for each type of server document an application supports; that is, if your server application supports both worksheets and charts, you must have two COleTemplateServer objects.

COleTemplateServer overrides the OnCreateInstance member function defined by COleObjectFactory. This member function is called by the framework to create a C++ object of the proper type.

For more information about servers, see the article Servers: Implementing a Server.

Inheritance Hierarchy

CObject

CCmdTarget

COleObjectFactory

COleTemplateServer

Requirements

Header: afxdisp.h

COleTemplateServer::COleTemplateServer

Constructs a COleTemplateServer object.

COleTemplateServer();

Remarks

For a brief description of the use of the COleTemplateServer class, see the COleLinkingDoc class overview.

COleTemplateServer::ConnectTemplate

Connects the document template pointed to by pDocTemplate to the underlying COleObjectFactory object.

void ConnectTemplate(
    REFCLSID clsid,
    CDocTemplate* pDocTemplate,
    BOOL bMultiInstance);

Parameters

clsid
Reference to the OLE class ID that the template requests.

pDocTemplate
Pointer to the document template.

bMultiInstance
Indicates whether a single instance of the application can support multiple instantiations. If TRUE, multiple instances of the application are launched for each request to create an object.

Remarks

For more information, see CLSID Key in the Windows SDK.

COleTemplateServer::Unregister

Unregisters the associated document template.

BOOL Unregister();

Return Value

TRUE if successful; otherwise FALSE.

Remarks

EnterRemarks

COleTemplateServer::UpdateRegistry

Loads file-type information from the document-template string and places that information in the OLE system registry.

void UpdateRegistry(
    OLE_APPTYPE nAppType = OAT_INPLACE_SERVER,
    LPCTSTR* rglpszRegister = NULL,
    LPCTSTR* rglpszOverwrite = NULL,
    BOOL bRegister = TRUE);

Parameters

nAppType
A value from the OLE_APPTYPE enumeration, which is defined in AFXDISP.H. It can have any one of the following values:

  • OAT_INPLACE_SERVER Server has full server user-interface.

  • OAT_SERVER Server supports only embedding.

  • OAT_CONTAINER Container supports links to embedded objects.

  • OAT_DISPATCH_OBJECT Object is IDispatch-capable.

  • OAT_DOC_OBJECT_SERVER Server supports both embedding and the Document Object component model.

rglpszRegister
A list of entries that is written into the registry only if no entries exist.

rglpszOverwrite
A list of entries that is written into the registry regardless of whether any preceding entries exist.

bRegister
Determines whether the class is to be registered. If bRegister is TRUE, the class is registered with the system registry. Otherwise, it unregisters the class.

Remarks

The registration information is loaded by means of a call to CDocTemplate::GetDocString. The substrings retrieved are those identified by the indexes regFileTypeId, regFileTypeName, and fileNewName, as described in the GetDocString reference pages.

If the regFileTypeId substring is empty or if the call to GetDocString fails for any other reason, this function fails and the file information is not entered in the registry.

The information in the arguments rglpszRegister and rglpszOverwrite is written to the registry through a call to AfxOleRegisterServerClass. The default information, which is registered when the two arguments are NULL, is suitable for most applications. For information on the structure of the information in these arguments, see AfxOleRegisterServerClass.

For more information, see Implementing the IDispatch Interface.

See also

MFC Sample HIERSVR
COleObjectFactory Class
Hierarchy Chart
COleServerDoc Class
COleServerItem Class