Argox PT-9130 - Manual (Page 175)

PT-90 Mobile Computer SDK Programming Manual 168
WriteMifareBlock
Write data of single block to ISO 14443A mifare S50/S70 tag.
int WriteMifareBlock
{
int iKeyType ,
char lpKey[] ,
int iBlock ,
char lpData[]
}
Parameters
iKeyType
[in] The key type. This parameter must be one of the values in the table below.
Value Key type
0 Key A
1 Key B
lpKey
[in] The key string, 12 byte.
iBlock
[in] The block index of mifare S50/S70 tag. Please refer to tag respective document.
lpData
[in] The block data, 32byte.
Returned Values
Returning zero if the operation is successful, otherwise, indicates failure.
Example
if(WriteMifareBlock(0, "FFFFFFFFFFFF", 8, "11111111112222222222333333333344") != 0)
AfxMessageBox(_T("Write mifare block fail"));
Requirements
OS Versions: Windows CE 6.0 or beyond.
Header: RFID.h
Link Library: RFID.lib
Link DLL: RFID.dll
Device: PT90