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Applications use the methods of the IDirectInputEffect interface to manage effects of force-feedback devices.
| Method | Description |
|---|---|
| IDirectInputEffect::Download | Places the effect on the device. |
| IDirectInputEffect::Escape | Sends a hardware-specific command to the driver. |
| IDirectInputEffect::GetEffectGuid | Retrieves the globally unique identifier (GUID) for the effect represented by the IDirectInputEffect Interface object. |
| IDirectInputEffect::GetEffectStatus | Retrieves the status of an effect. |
| IDirectInputEffect::GetParameters | Retrieves information about an effect. |
| IDirectInputEffect::Initialize | Initializes a DirectInputEffect object. |
| IDirectInputEffect::SetParameters | Sets the characteristics of an effect. |
| IDirectInputEffect::Start | Begins playing an effect. |
| IDirectInputEffect::Stop | Stops playing an effect. |
| IDirectInputEffect::Unload | Removes the effect from the device. |
The interface is obtained by using the IDirectInputDevice8::CreateEffect method.
The LPDIRECTINPUTEFFECT type is defined as a pointer to the IDirectInputEffect interface:
typedef struct IDirectInputEffect *LPDIRECTINPUTEFFECT;