IPipelineComponentDescription::ContextValuesRead
This method returns a VARIANT that contains a SAFEARRAY of VARIANTs. Each of the VARIANTs in this SAFEARRAY contains a BSTR that identifies the PipeContext object elements that the component reads.
Definition
HRESULT ContextValuesRead(VARIANT* pVar);
Parameters
pVar
[out, retval] The address to which the method returns a VARIANT. This VARIANT contains a SAFEARRAY of VARIANTs, each of which contains a BSTR that identifies the elements that a component reads from the PipeContext object.
Return Values
If the function implementation does not return S_OK, the Pipeline Editor ignores the contents of the returned VARIANT variable.
Remarks
For more information about IPipelineComponentDescription interface code generated by the Active Template Library (ATL) and the Pipeline Component Wizard, see Enhancing Component Usability.