明华读卡器的动态库MWIC_32.dll的DES加密问题

Question

各位大虾： 
    我用明华读卡器的动态库MWIC_32.dll的DES加密ic_encrypt，但出现not enough actual parameters错误，请大侠帮帮忙。在线等。 
  key:array[0..16]of char; 
  source:array[0..16]of char; 
  len:smallint; 
  dest:array[0..16]of char;     function ic_encrypt(key:pchar;source:pchar;len:smallint;dest:pchar):smallint;stdcall; 
    far;external 'MWIC_32.dll'name 'ic_encrypt'; 。   key:=chr($12)+chr($34)+chr($56)+chr($78)+chr($90)+chr($12)+chr($34)+chr($56); 
  len:=16; 
  source:=chr($12)+chr($34)+chr($56)+chr($78)+chr($90)+chr($12)+chr($34)+chr($56); 
  st:=ic_encrypt(key;source;len;dest);   请大虾帮帮忙，急啊！

Answer 1

说明里面是这样的：
__int16 __stdcall ic_encrypt( char *key,char *ptrSource, unsigned short msgLen, char *ptrDest);
__int16 __stdcall ic_decrypt( char *key,char *ptrSource, unsigned short msgLen, char *ptrDest);

Answer 2

ic_encrypt(key:pchar;source:pchar;len:smallint;dest:pchar):smallint;stdcall;
參數KEY,source,deat是pchar類型的
後面應該寫成這樣 
st:=ic_encrypt(@key[0];@source[0];len;@dest[0]); 

Answer 3

是
st:=ic_encrypt(@key[0],@source[0],len,@dest[0]);