Microsoft DirectX 8.1 (C++)

CRendererInputPin::QueryId

The QueryId method retrieves the pin identifier. This method overrides the CBasePin::QueryId method.

Syntax

HRESULT QueryId(
    LPWSTR *Id
);

Parameters

Id

Address of a variable that receives a string containing the pin identifier.

Return Value

Returns one of the HRESULT values shown in the following table.

Value Description
S_OK Success
E_OUTOFMEMORY Insufficient memory
E_POINTER NULL pointer argument

Remarks

This method allocates the wide-character string "In" and assigns it to the Id parameter. The caller must free the allocated memory, using the CoTaskMemFree function.

See Also