CLC_ErrorCode Input_RegisterNotificationHandler

(

CPHOBJECT const

hInput

)

Register notification handler for the specified input.

Parameters

[in]

hInput

Input Handle.

Returns

Standard CHAILink Client return code. See CLC_ErrorCode enumeration.

Remarks

Concerned fields in the callback notification structure (CLC_NH_CallbackList) : NH_INPUT_SOURCECHANGE, NH_INPUT_MESSAGE, NH_INPUT_EVENTMESSAGE, NH_INPUT_MODIFIERMESSAGE, NH_INPUT_SELECTORMESSAGE, NH_INPUT_TEXTMESSAGE and NH_INPUT_MIDISYSEXMESSAGE. At least one of these fields must be set.

Warning

This function can only be called in CopperLan context. This means in the pseudo task CPDoProcess(), in notification handlers or in asynchronous return handlers and not in SystemDoProcess() for instance.