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Frequently Asked Questions

Executing and application by extention.

Question:

How can I execute the application that is associated with a file extension?

Answer:

Use the ShellAPI function ShellExecute().

Example:

uses ShellAPI;

procedure TForm1.Button1Click(Sender: TObject);
var
  DocFileName : string;
  DocFileDir : string;
begin
  DocFileName := 'C:\DownLoad\somefile.htm';
  DocFileDir := ExtractFileDir(DocFileName);
  ShellExecute(Form1.Handle,
               nil,
               pChar(DocFileName),
               nil,
               pChar(DocFileDir),
               SW_SHOWNORMAL);
end;

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