pdfSetKeyPressCbk

Set a callback function for key-press events.
void pdfSetKeyPressCbk(PDFViewerHandle viewer, void (*cbk)(void *data, int ascii), void *data)
This function sets a callback which will be called when a user presses and releases a key corresponding to an ASCII character.

The function will be called with two arguments:

C:
void keyPressCbk(void *data, int ascii) { Context *myContext = (Context *)data; /* process the character ... */ } .... pdfSetKeyPressCbk(viewer, &keyPressCbk, &myContext);
pdfSetKeyDownCbk
pdfSetKeyUpCbk