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木虫 (小有名气)

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虫号: 1437220
注册: 2011-10-11
性别: GG
专业: 可再生与替代能源利用中的

[求助] 建立单文档MFC的工程怎么调用DLL文件

VC++6.0????????MFC.exe????????????????????ɡ??????DLL??????????????????????????????????????????????win32?????????????????????????DOS???????
?????λ???????????????MFC.exe???????????DLL?????????????MFC?а????????????????????????????????????????

CODE:

#include 

#include 

#include "REFPROP1.H"

// Some constants...

const long refpropcharlength=255;

const long filepathlength=255;

const long lengthofreference=3;

const long errormessagelength=255;

const long ncmax=20;      // Note: ncmax is the max number of components

const long numparams=72;

const long maxcoefs=50;

int main(int argc, char* argv[])

{

// First create a pointer to an instance of the library

// Then have windows load the library.

 HINSTANCE RefpropdllInstance;

//This looks only in the current directory for refprop.dll

 ???????X?e?N?X????Instance = LoadLibrary("./refprop.dll");

// Then get pointers into the dll to the actual functions.

  ABFL1dll = (fp_ABFL1dllTYPE) GetProcAddress(RefpropdllInstance,"ABFL1dll");

  ABFL2dll = (fp_ABFL2dllTYPE) GetProcAddress(RefpropdllInstance,"ABFL2dll");

  ACTVYdll = (fp_ACTVYdllTYPE) GetProcAddress(RefpropdllInstance,"ACTVYdll");

  AGdll = (fp_AGdllTYPE) GetProcAddress(RefpropdllInstance,"AGdll");

// Now use the functions.

// Refprop variables that need to be defined

//

// nc = Number of components in the mixture

// x[NumberOfComponentsInMixtures] = Mole fraction of each component

// ierr =An integer flag defining an error

// hf[] = a character array defining the fluids in a mixture

// hrf[] = a character array denoting the reference state

// herr[] = a character array for storing a string - Error message

// hfmix[] a character array defining the path to the mixture file

  ???N?I????? x[ncmax],xliq[ncmax],xvap[ncmax],f[ncmax];

  long i,ierr;

  char hf[refpropcharlength*ncmax], hrf[lengthofreference+1],

  ????e?e????e?e?N?e????Q?Q????????`??H??+1],hfmix[refpropcharlength+1];

  //Exlicitely set the fluid file PATH

  //char *FLD_PATH;

  //FLD_PATH = "C:\\Program Files\\REFPROP\\fluids\\";

//    strcpy(hf,FLD_PATH);

//    strcpy(hfmix,FLD_PATH);

    //...initialize the program and set the pure fluid component name

  //i=1;

  //strcpy(hf,"nitrogen.fld");

  //strcpy(hfmix,"hmx.bnc");

  //strcpy(hrf,"DEF");

  //strcpy(herr,"Ok");

//...For a mixture, use the following setup instead of the lines above.

  // Use "|" as the file name delimiter for mixtures

  ??=3;

  ?Q?H?e???X??(hf,"nitrogen.fld");

    strcat(hf,"|argon.fld");

    strcat(hf,"|oxygen.fld");

  ?Q?H?e???X??(hfmix,"hmx.bnc");

  ?Q?H?e???X??(hrf,"DEF");

    strcpy(herr,"Ok");

    x[0]=.7812; //Air composition

  ????1]=.0092;

  ????2]=.2096;

    //...Call SETUP to initialize the program

      SETUPdll(i, hf, hfmix, hrf, ierr, herr,

          ?e?????X?e?N?X?????e????`??H??*ncmax,refpropcharlength,

          ????`??H???N???e??????e??`????,errormessagelength);

      if (ierr != 0) printf("%s\n",herr);

      double wm,ttp,tnbp,tc,pc,dc,zc,acf,dip,rgas;

      long info_index=1;

      INFOdll(info_index,wm,ttp,tnbp,tc,pc,dc,zc,acf,dip,rgas);

      printf("WM,ACF,DIP,TTP,TNBP ??10.4f,%10.4f,%10.4f,%10.4f,%10.4f\n",wm,acf,dip,ttp,tnbp);

      printf("TC,PC,DC,RGAS   ??10.4f,%10.4f,%10.4f,%10.4f,%10.4f\n",tc,pc,dc,rgas);

//...Calculate molecular weight of a mixture

// ?b??=WMOLdll(x)

//...Get saturation properties given t,x; for i=1: x is liquid phase

//.....           ???N?e i=2: x is vapor phase

  ???N?I????? t=100.0;

    double p,dl,dv;

  ??ATTdll(t,x,i,p,dl,dv,xliq,xvap,ierr,herr,errormessagelength);

  ?X?e???`?H??("P,Dl,Dv,xl[0],xv[0] ??10.4f,%10.4f,%10.4f,%10.4f,%10.4f\n",p,dl,dv,xliq[0],xvap[0]);

  ??=2;

  ??ATTdll(t,x,i,p,dl,dv,xliq,xvap,ierr,herr,errormessagelength);

  ?X?e???`?H??("P,Dl,Dv,xl[0],xv[0] ??10.4f,%10.4f,%10.4f,%10.4f,%10.4f\n",p,dl,dv,xliq[0],xvap[0]);

//...Other routines are given in UTILITY.FOR

return 0;

}

[color=Red]Sample Text[/color]4]Sample Text[/size]

typedef void (__stdcall *fp_ABFL1dllTYPE)(double &,double &,double *,long &,double &,double &,double &,double &,double &,double &,long &,char*,long );

typedef void (__stdcall *fp_ABFL2dllTYPE)(double &,double &,double *,long &,long &,double &,double &,double &,double &,double &,double &,double &,double *,double *,double &,double &,double &,double &,double *,double *,double &,long &,char*,long );

typedef void (__stdcall *fp_ACTVYdllTYPE)(double &,double &,double *,double &);

typedef void (__stdcall *fp_AGdllTYPE)(double &,double &,double *,double &,double &);

//Define explicit function pointers

fp_ABFL1dllTYPE ABFL1dll;

fp_ABFL2dllTYPE ABFL2dll;

fp_ACTVYdllTYPE ACTVYdll;

fp_AGdllTYPE AGdll;