public SdkSample()
{
// so we don't have to worry about checking if these keys exist later
Metadata[ "Title" ] = "Untitled";
Metadata[ "Description" ] = String.Empty;
Metadata[ "Category" ] = "Unsorted";
Metadata[ "Thumbnail" ] = String.Empty;
Metadata[ "Help" ] = String.Empty;
this.TrayManager = null;
this.CameraManager = null;
}