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How to get the path of a BDE alias at runtime Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
Get the path of a BDE alias at runtime 19-May-03
Category
BDE
Language
Delphi 2.x
Views
211
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Tomas Rutkauskas

I need to find out the path of a BDE alias from within an application. I would like 
to auto detect a backup path to the data.

Answer:

1   function GetAliasDir(alias: PChar): PChar;
2   var
3     s: TStringList;
4     i: integer;
5     t: string;
6     res: array[0..255] of char;
7   begin
8     res := '';
9     if Session.IsAlias(alias) then
10    begin {Check if alias exists}
11      s := TStringList.Create;
12      try
13        Session.GetAliasParams(Alias, s);
14        t := '';
15        if s.count > 0 then
16        begin
17          i := 0;
18          while (i < s.count) and (Copy(s.Strings[i], 1, 5) <> 'PATH=') do
19            inc(i);
20          if (i < s.count) and (Copy(s.Strings[i], 1, 5) = 'PATH =') then
21          begin
22            t := Copy(s.Strings[i], 6, Length(s.Strings[i]) - 4);
23            if t[length(t)] <> '\' then
24              t := t + '\';
25          end;
26        end;
27        StrPCopy(res, t);
28      except
29        StrPCopy(res, '');
30      end;
31      s.Free;
32    end;
33    result := res;
34  end;


			
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