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DELPHIµ÷ÓÃVC±àдµÄDLL º¯Êý²ÎÊýΪLPTSTR

×¢Òâµã£ºLPTSTR ¶ÔÓ¦µÄÊÇPAnsiChar »òÕßPWideChar ÄãÎÊÎÊËûµÄ±àÒëÑ¡Ïî,ÒªÊǶ¨ÒåÁËunicode¾ÍÊÇPWideChar ·ñÔòÊÇPAnsiChar
ÕâÀïÎÒÊÇÓÃUNICODE±à³ÌµÄ£¬ËùÒÔÓõ½µÄÊÇPWideChar
ÔÚVCдµÄA.dllÀïÌí¼ÓÒ»¸öº¯ÊýΪ
extern "C" __declspec(dllexport) LPTSTR WINAPI Do(LPTSTR i)
{
return i;
}
ÔÚDELPHIµ÷ÓÃΪ
type
TDoFunc=function(str:PWideChar) :PWideChar;stdcall;
var
Th:Thandle;
TDo:TDoFunc;
Tp:TFarProc;
str:PWideChar;
strA,strB:PWideChar;
begin
Th:=LoadLibrary('A.dll'); {×°ÔØDLL}
if Th>0 then
try
Tp:=GetProcAddress(Th,PChar('_Do@4'));
if Tp<>nil
then begin
TDo:=TDoFunc(Tp);
strA:='bread';
str:=TDo(strA);
ShowMessage(str);
end
else
ShowMessage('ûÓÐÕÒµ½º¯Êý');
finally
FreeLibrary(Th); {ÊÍ·ÅDLL}
end
else
ShowMessage('dllÎļþûÕÒµ½');
end;
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3.ʹÓÃTStaticText¿Ø¼þ
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Delphi Óë C/C++ Êý¾ÝÀàÐͶÔÕÕ±í

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DelphiÊý¾ÝÀàÐÍC/C++
ShorInt
8λÓзûºÅÕûÊý
char
Byte
8λÎÞ·ûºÅÕûÊý
BYTE,unsigned short
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16λÓзûºÅÕûÊý
short
Word
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unsigned short
Integer,LongInt
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Delphi Open Tools API dz̽

savetime2k@yahoo.com  2004.1.28
http://savetime.delphibbs.com
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