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PtInvokeCallbackList()

Invoke a callback list

Synopsis:

int PtInvokeCallbackList( PtCallbackList_t *cb_list,
                          PtWidget_t *widget,
                          PtCallbackInfo_t *cbinfo );

Arguments:

cb_list

The list of callbacks to invoke.

widget

The widget pointer to pass to the callbacks as the first argument.

cbinfo

A pointer to a PtCallbackInfo_t structure (see the Photon Widget Reference) that's passed to each callback in the list as the third argument.

Description:

This function invokes the provided callback list cb_list.

The cb_data member of each item in the callback list is passed as the second argument to the associated callback.

Returns:

A return status from the callback list:

• Pt_CONTINUE
• Pt_HALT
• Pt_END

If the returned status is Pt_END, have your function consume the event (i.e. return Pt_END).

Classification:

Photon

See also:

PtGetCallbackList() and PtInvokeCallbackType()

PtCallbackInfo_t in the Photon Widget Reference