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search  file in  all drive using delphi5.0

Posted on 2001-07-08
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Last Modified: 2010-08-05
hi, i want ask about searching file in all drive in computer and showing the directory (path) about this file.

give me an example..


thank u
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Question by:Rudy_Rai
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2 Comments
 
LVL 13

Accepted Solution

by:
Epsylon earned 240 total points
ID: 6262719
To find a file on a single drive:


procedure FindFile(DirStr, thefile: string; dirlist: TStrings);
var DirInfo: TSearchRec;
    r : Integer;
begin
  if DirStr[Length(DirStr)] <> '\' then
    DirStr := DirStr + '\';
  if SetCurrentDir((DirStr)) then
  begin
    if FileSearch(thefile, DirStr) <> '' then
      dirlist.Add(DirStr);
    r := FindFirst('*.*', FaAnyfile, DirInfo);
    while r = 0 do
    begin
      if (DirInfo.Attr and faDirectory) <> 0 then
        if (DirInfo.Name <> '.') and (DirInfo.Name <> '..') then
          FindFile(DirStr + DirInfo.Name, thefile, dirlist);
      r := FindNext(DirInfo);
    end;
    FindClose(DirInfo);
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  FindFile('c:\', 'midas.dll', ListBox1.Items);
  Label1.Caption := IntToStr(ListBox1.Items.Count);
end;
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LVL 13

Expert Comment

by:Epsylon
ID: 6262721
To get all available drives:


procedure ListDrives(Strings: TStrings);
const BufSize = 256;
var
  Buffer                    : PChar;
  P                            : PChar;
begin
  GetMem(Buffer, BufSize);
  try
    Strings.BeginUpdate;
    try
      Strings.Clear;
      if GetLogicalDriveStrings(BufSize, Buffer) <> 0 then begin
        P := Buffer;
        while P^ <> #0 do begin
          Strings.Add(P);
          Inc(P, StrLen(P) + 1);
        end;
      end;
    finally
      Strings.EndUpdate;
    end;
  finally
    FreeMem(Buffer, BufSize);
  end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  ListDrives(ListBox2.Items);
end;
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