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Deleting Enhanced Keys
Deletes the data of the specified enhanced key. Only the frame will be remained.
SYNTAX
int KEY_DelExtKey(int keyno, KEYLIST *keylist);
INPUT
keyno = Number of the expansion key
KDC_EXTKEY1(1) Enhanced key 1
KDC_EXTKEY2(2) Enhanced key 2
keylist = list of replaceable keys
typedef struct{
int data_cnt; /*Number of replaced keys*/
KDC_EXTKEYINFO far *keyinfo;
/*Table of replaceable key information */
}KDC_EXTKEYLIST;
typedef struct{
unsigned int keycode; /*Key code to be set*/
int change_position; /*Place of replacement (1 to 48) */
char far *image_adr; /*Button display data (32 x 24 bit)*/
}KDC_EXTKEYINF
O;
OUTPUT
= 0 Normal termination
= -1 Input parameter error
EXAMPLE
#include "padlib.h"
KEYLIST keylist:
int retcode, i;
for (i = 0; i < countof(keydata):i++){
keydata[i].change_position = xxxx;
}
keylist.data_cnt = countof(keydata);
retcode = KEY_DelExtKey(KDC_EXTKEY1, &keylist);
Refer to “ KEY_SetExtKey “ also.
Note:
Deletion of a key which is assigned to a position that has not been registered will not result in error.