Compartir a través de

SET_PARAM_TYPE

  • Artículo

 

The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at SET_PARAM_TYPE.

Specifies COLUMN_ENTRY macros that follow the SET_PARAM_TYPE macro input, output, or input/output.

Syntax

  
SET_PARAM_TYPE(  
type  
 )

Parameters

type
[in] The type to set for the parameter.

Remarks

Providers support only parameter input/output types that are supported by the underlying data source. The type is a combination of one or more DBPARAMIO values (see DBBINDING Structures in the OLE DB Programmer's Reference):

  • DBPARAMIO_NOTPARAM The accessor has no parameters. Typically, you set eParamIO to this value in row accessors to remind the user that parameters are ignored.

  • DBPARAMIO_INPUT An input parameter.

  • DBPARAMIO_OUTPUT An output parameter.

  • DBPARAMIO_INPUT | DBPARAMIO_OUTPUT The parameter is both an input and an output parameter.

Example

Requirements

Header: atldbcli.h

See Also

Macros and Global Functions for OLE DB Consumer Templates