/// <summary>
/// Checks if the access token is still valid. If not, refreshes the token.
/// </summary>
protected bool RefreshTokenIfNeeded()
{
bool needsRefresh = false;
LiveAuthClient authClient = this.LiveClient.Session.AuthClient;
if (!this.refreshed && authClient != null)
{
this.refreshed = true;
needsRefresh = authClient.RefreshToken(this.OnRefreshTokenOperationCompleted);
}
return(needsRefresh);
}