{
This Code will return the programs associated with each extension.
You can obviously modify it to search for a specific extension.
}
uses Registry;
procedure TForm1.Button1Click(Sender: TObject);
var
reg: TRegistry;
keys: TStringList;
i: Integer;
typename, displayname, server: string;
begin
memo1.Clear;
reg := TRegistry.Create;
try
reg.rootkey := HKEY_CLASSES_ROOT;
if reg.OpenKey('', False) then
begin
keys := TStringList.Create;
try
reg.GetKeyNames(keys);
reg.CloseKey;
{memo1.lines.addstrings(keys);}
for i := 0 to keys.Count - 1 do
begin
if keys[i][1] = '.' then
begin
{this is an extension, get its typename}
if reg.OpenKey(keys[i], False) then
begin
typename := reg.ReadString('');
reg.CloseKey;
if typename <> '' then
begin
if reg.OpenKey(typename, False) then
begin
displayname := reg.ReadString('');
reg.CloseKey;
end;
if reg.OpenKey(typename + '\shell\open\command', False) then
begin
server := reg.ReadString('');
memo1.Lines.Add(Format('Extension: "%s", Typename: "%s", Displayname:"%s"' +
#13#10' Server: %s',
[keys[i], typename, displayname, server]));
reg.CloseKey;
end;
end;
end;
end;
end;
finally
keys.Free;
end;
end;
finally
reg.Free
end;
end;
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