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//Delphi²¿·Ö  
 //»Øµ÷º¯Êý¶¨Òå
type TOnMyCallBack = procedure(data:pchar; id:Integer);stdcall;  
 //DLLÖеĵ¼³öº¯ÊýÉùÃ÷
procedure StartCall(param:   TOnMyCallBack(data:pchar; id:Integer);stdcall;  
begin
  ...  
  ...  
end;  
 
-----------------------------------------------------------------------------------------------------------------------------
//vcµ÷Óò¿·Ö
typedef void (CALLBACK *MY_CallBack)(void *, char *data, int id);
void CALLBACK cxxGetDllData(void *data, int id)
{
     CString ss;
      ss.Format("%s:%d", data, id);
::MessageBox(NULL, "ÊÕµ½Êý¾Ý:", ss, MB_OK | MB_ICONWARNING);
}
 
void CTttDlg::OnOK()
{
//¶¯Ì¬¼ÓÔØDLLµ½µ±Ç°EXEµÄ½ø³Ì¿Õ¼ä
     HINSTANCE hDll = LoadLibrary("d:\\temp\\test.dll");
if(!hDll)
{
:MessageBox(NULL, "¼ÓÔØ¶¯Ì¬Á´½Ó¿âʧ°Ü£¡", "Notice", MB_OK | MB_ICONWARNING);
        return ;
    }
    MY_CallBack hStartCall = (MY_CallBack) ::GetProcAddress(hDll, "StartCall");
    if(!hStartCall)
    {
        ::MessageBox(NULL,"»ñÈ¡StartCallº¯ÊýµØÖ·´íÎó£¡","Notice",MB_ICONWARNING);
        return ;
    }
       hStartCall(cxxGetDllData,"123456",100);  
}  


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DelphiÖÐÓÃADOϵÁпؼþ»ñµÃ´æ´¢¹ý³ÌµÄReturnÖµ

ÔÚDelphiÖÐAdoϵÁпؼþʹÓÃxxxxx.Parameters.Refresh,¿ÉÒÔ»ñµÃ´æ´¢¹ý³ÌµÄReturnÖµ
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  ADOStoredProc1.Connection := 'xxxx';
  ADOStoredProc1.ProcedureName := 'XXXX';
  ADOStoredProc1.Parameters.Refresh;   //ˢд洢¹ý³ÌµÄ²ÎÊýÁбí
 //²ÎÊý¸³Öµ
 ADO ......

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Delphi¶¨Ê±Showmessageʼþ

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1:ÓÃtimer¿Ø¼þµÄº¯Êý
procedure TForm1.Timer1Timer(Sender: TObject);
var
AHandle: THandle;
begin
AHandle := FindWindow('TMessageForm',
PChar(Application.Title));
if AHandle > 0 then
SendMessage( ......

ÔÙ̸Delphi vs VC++(·Ç³£¾«²Ê) (ת)

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Delphiʱ¼äºÍJavaʱ¼äµÄת»»Àà¡£

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Delphiʱ¼äʵÖʾÍÊÇdoubleÀàÐÍ£¬ÕûÊý²¿·Ö±íʾÌ죬СÊý²¿·Ö±íʾµ±Ììʱ¼ä£¬Ã¿ºÁÃëΪ1/86400000¡£¿¼Âǵ½Ê±ÇøµÄת»»ºó£¬JAVAºÍDELPHIʱ¼äÖ®¼äµÄת»»ÀàÈçÏ£º
import java.util.Calendar ......
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