|Microsoft DirectX 9.0|
Stops playing an effect.
If the method succeeds, the return value is DI_OK.
If the method fails, the return value can be one of the following error values:
DIERR_NOTEXCLUSIVEACQUIRED The operation cannot be performed unless the device is acquired in DISCL_EXCLUSIVE mode. DIERR_NOTINITIALIZED The object has not been initialized.
The device must be acquired at the exclusive cooperative level for this method to succeed.