GetRawInputDevices

Allows PresentationHost.exe to discover the raw input devices (Human Interface Devices) that the host application is interested in.

Syntax

HRESULT GetRawInputDevices( [out] IEnumRAWINPUTDEVICE **ppEnum );  

Parameters

ppEnum

[out] A pointer to an IEnumRAWINPUTDEVICE for enumerating the raw input devices.

Property Value/Return Value

HRESULT:

S_OK - IEnumRAWINPUTDEVICE will only be used by PresentationHost.exe if S_OK is returned.

E_NOTIMPL

Remarks

Raw input devices are the set of input devices that includes keyboards, mice, and less traditional devices like remote controls.

Once the list of raw input devices has been retrieved, PresentationHost.exe registers with the devices to receive WM_INPUT notification messages.

See also

• GetRawInputDeviceList
• FilterInputMessage