Add data to the widget data chain
int PtAddWidgetData( PtWidget_t *widget, PtWidgetClassRef_t *type, long subtype, void *data );
This function adds a piece of data to the widget data chain. The data provided must be in a block of memory allocated by malloc() (see the QNX Neutrino Library Reference).
You can retrieve this data by calling PtFindWidgetData() or PtFindNextWidgetData().
0 on success; -1 if an error occurred (e.g. out of memory).
Photon
Safety: | |
---|---|
Interrupt handler | No |
Signal handler | No |
Thread | No |
PtFindWidgetData(), PtFindNextWidgetData(), PtRemoveWidgetData()