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How to check if Microsoft Word is installed? 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
25-Sep-02
Category
OLE
Language
Delphi 3.x
Views
70
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# Votes
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0
Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: David Johannes Rieger

How can I check if Microsoft Word is installed? 

Answer:

Solve 1:

Important: this method will only succeed if Microsoft Word 95 or higher is 
installed.

1   uses
2     ..., Registry;
3   
4   function IsMicrosoftWordInstalled: Boolean;
5   var
6     Reg: TRegistry;
7     S: string;
8   begin
9     Reg := TRegistry.Create;
10    with Reg do
11    begin
12      RootKey := HKEY_CLASSES_ROOT;
13      Result := KeyExists('Word.Application');
14      Free;
15    end;
16  end;



Solve 2:

17  function MSWordIsInstalled: Boolean;
18  begin
19    Result := AppIsInstalled('Word.Application');
20  end;
21  
22  function AppIsInstalled(strOLEObject: string): Boolean;
23  var
24    ClassID: TCLSID;
25  begin
26    Result := (CLSIDFromProgID(PWideChar(WideString(strOLEObject)), ClassID) = S_OK)
27  end;


			
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