{
Get names of installed Mail-Clients.
Namen der installierten Mail-Clients ermitteln.
}
uses Registry;
function GetInstalledMailClients(AList: TStrings): Boolean; const RegClientsRoot = '\SOFTWARE\Clients';
RegClientsMail = '\Mail';
RegClientsOpenCmd = '\shell\open\command'; var reg: TRegistry; begin Result := True; try AList.Clear;
reg := nil;
reg := TRegistry.Create; try
with reg do
begin CloseKey;
RootKey := HKEY_LOCAL_MACHINE; if OpenKeyReadOnly(RegClientsroot + RegClientsMail) then
if HasSubKeys then GetKeyNames(AList); end; finally
if Assigned(reg) then reg.Free; end; except Result := False; end; end;
procedure TForm1.Button1Click(Sender: TObject); begin GetInstalledMailClients(ListBox1.Items); end;