// Add the name of all sources to our source selector procedure TfrmMain.btnRefreshClick(Sender: TObject); var I : Integer; begin ImageEnView1.IO.AcquireParams.DCIMParams.Refresh(); cmbSources.Items.Clear(); For I := 0 to ImageEnView1.IO.AcquireParams.DCIMParams.SourceCount - 1 do cmbSources.Items.Add( ImageEnView1.IO.AcquireParams.DCIMParams.Sources[ I ]; end;