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EC_DEVICE_LOST

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Microsoft DirectShow 9.0

EC_DEVICE_LOST

A Plug and Play device was removed or became available again.

Parameters

lParam1

(IUnknown*) Pointer to the IUnknown interface of the filter that represents the device.

lParam2

Zero if the device was removed, or 1 if the device is available again.

Default Action

None.

Remarks

When the device becomes available again, the previous state of the device filter is no longer valid. The application must rebuild the graph in order to use the device.

Requirements

  Header: Dshow.h.

See Also