IConvertType Interface

IID_IConvertType

{0C733A88-2A1C-11CE-ADE5-00AA0044773D}

This interface is mandatory on commands, rowsets, index rowsets, and rows.

This interface contains a single method that gives information about the availability of type conversions on a command, a rowset, or a row.

Documentation: IConvertType

Methods in VTable order

IUnknown Methods

Description

QueryInterface

Returns pointers to supported interfaces.

AddRef

Increments reference count.

Release

Decrements reference count.

IConvertType Method

Description

CanConvert

Gives information about the availability of type conversions on a command, a rowset, or a row.

CanConvert

FUNCTION IConvertType_CanConvert ( _
  BYVAL pthis AS DWORD PTR _

, BYVAL wFromType AS WORD _

, BYVAL wToType AS WORD _

, BYVAL dwConvertFlags AS DWORD _

  ) AS LONG

  LOCAL HRESULT AS LONG
  CALL DWORD @@pthis[3] USING IConvertType_CanConvert (pthis, wFromType, wToType, dwConvertFlags) TO HRESULT
  FUNCTION = HRESULT

END FUNCTION