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How to properly check if MS-Access is installed on a PC. 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
Properly check if MS-Access is installed on a PC. 20-May-04
Category
MS-Office
Language
Delphi All Versions
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470
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Publisher:
Darley, F. Joe
Reference URL:
			1   
2   unit Unit1;
3   {
4   This code will properly check to see if MS access is properly installed on
5   A PC checking the registry is not good because there are cases where an
6   application does not install or uninstall properly.
7   }
8   interface
9   
10  uses
11    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
12    Dialogs, OleServer, Access2000, StdCtrls;
13  
14  type
15    TForm1 = class(TForm)
16      Button1: TButton;
17      procedure Button1Click(Sender: TObject);
18    private
19      { Private declarations }
20    public
21      { Public declarations }
22    end;
23  
24  var
25    Form1: TForm1;
26  
27  implementation
28  
29  {$R *.dfm}
30  
31  procedure TForm1.Button1Click(Sender: TObject);
32  var
33   AccessTest :TAccessApplication;
34   bInstalled:boolean;
35  begin
36  bInstalled:=true;
37     try
38      AccessTest :=TAccessApplication.Create(self);
39      AccessTest.Connect;
40      except on E:Exception do begin
41           bInstalled:=false;
42      end;
43  
44     end;
45  if bInstalled then
46   showmessage('MS Access is installed')
47   else
48   showmessage('MS Access is NOT installed')
49  
50  end;
51  
52  end.


			
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