Microsoft OLE DB 2.0 Programmers Reference and Data Access SDK (Microsoft Professional Editions)

OLE DB Programmer's Reference

Returns information about whether the conversion from the specified source type to the specified destination type is supported.

HRESULT CanConvert ( DBTYPE   wSrcType, DBTYPE   wDstType);

Parameters

wSrcType
[in] The source type of the conversion to be verified.
wDstType
[in] The destination type of the conversion to be verified.

Return Code

S_OK
The method succeeded and the conversion is supported.
S_FALSE
The requested conversion is not supported.
E_INVALIDARG
One or more of the DBTYPE values specified was invalid.

Comments

IdataConvert::CanConvert returns information about OLE DB 1.0 compliant conversions only. In order to determine what other conversions are possible, use IDCInfo::SetInfo.

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