1   
2   //---------------------------------------------------------------------------
3   
4   #include <vcl.h>
5   #pragma hdrstop
6   
7   #include "Unit1.h"
8   //---------------------------------------------------------------------------
9   #pragma package(smart_init)
10  #pragma resource "*.dfm"
11  TForm1 *Form1;
12  //---------------------------------------------------------------------------
13  __fastcall TForm1::TForm1(TComponent* Owner)
14          : TForm(Owner)
15  {
16  }
17  
18  String CheckFloppy(char driveletter)
19  {
20    String mask;
21  //mask: String[6];
22    TSearchRec sRec;
23    int oldMode;
24    int retcode;
25    String sInfo;
26    oldMode = SetErrorMode(SEM_FAILCRITICALERRORS);
27    mask= "?:\*.*";
28    mask[1] = driveletter;
29  
30    retcode = FindFirst (mask, faAnyFile, sRec);
31    FindClose(sRec);
32    if (retcode ==0){
33      sInfo = "Disk with files found.";
34      }
35    else if (retcode == -18){
36      sInfo = "Empty Disk Found.";
37     }
38    else if ((retcode == -21) || (retcode ==-3)){
39       sInfo= "DOS Error Drive Not Ready";
40     }
41    else {
42      sInfo = "NO Disk in Drive ";   // unformatted disk in drive
43      }
44  
45    SetErrorMode(oldMode);
46    return sInfo;
47  }
48  //---------------------------------------------------------------------------
49  
50  void __fastcall TForm1::Button1Click(TObject *Sender)
51  {
52   ShowMessage(CheckFloppy('A'));
53  }
54  //---------------------------------------------------------------------------