public bool OnChooseLangProject(object command)
{
CheckDisposed();
//there appears to be a problem with the DotNetBar balloon help which causes
//it to crash when the user hovers over something that should have a balloon but that window
//is behind a modeless dialog.
var balloonActive=m_mediator.PropertyTable.GetBoolProperty("ShowBalloonHelp", false);
m_mediator.PropertyTable.SetProperty("ShowBalloonHelp", false);
m_delegate.FileOpen(this);
m_mediator.PropertyTable.SetProperty("ShowBalloonHelp", balloonActive);
return true;
}