Microsoft DirectX 9.0


The Active method notifies the pin that the filter is now active.


HRESULT Active(void);

Return Value

Returns an HRESULT value. Possible values include those listed in the following table.

Value Description
S_OK Success.
VFW_E_NO_ALLOCATOR No allocator is available.


This method overrides the CBasePin::Active method. It calls the IMemAllocator::Commit method on the allocator, to allocate memory for buffers.

If you override this method, call the base-class method from your overriding method.

See Also