/// <summary>
/// To be called when this handler was construced with showModally set to true.
/// <param name="state"></param>
/// </summary>
public void ShowModal(ProgressDialogProgressState state)
{
Debug.Assert(_progressDialog != null, @"If this is null then the behavior of this class has changed, and this method needs to.");
if (state == null)
{
throw new ArgumentNullException(@"state",
@"State must be set to a ProgressDialogState object which is related to this handler.");
}
_currentCommand.BeginInvoke(state);
_progressDialog.ShowDialog();
}