IDirectInputEffect::Download Method

Places the effect on the device. If the effect is already on the device, the existing effect is updated to match the values set by the IDirectInputEffect::SetParameters method.


HRESULT Download()

Return Value

If the method succeeds, the return value is DI_OK or S_FALSE. If the method fails, the return value can be one of the following error values: DIERR_DEVICEFULL, DIERR_EFFECTPLAYING, DIERR_INCOMPLETEEFFECT, DIERR_INPUTLOST, DIERR_INVALIDPARAM, DIERR_NOTEXCLUSIVEACQUIRED, DIERR_NOTINITIALIZED.


If the method returns S_FALSE, the effect has already been downloaded to the device.

It is valid to update an effect while it is playing. The semantics of such an operation are explained in the reference for IDirectInputEffect::SetParameters.


Header: Declared in dinput.h.