/// <summary>
/// True if the override window is open for this item.
/// </summary>
/// <remarks>In order to allow manual sync, we need to be able to override the disablement of syncing -
/// but only briefly.</remarks>
/// <param name="olItem">The item which we wish to sync.</param>
/// <returns>True if the manual sync window is open for this item.</returns>
public static bool IsManualOverride(this Outlook.ContactItem olItem)
{
bool result = false;
if (olItem.UserProperties[OverridePropertyName] != null)
{
DateTime value = olItem.UserProperties[OverridePropertyName].Value;
if ((DateTime.UtcNow - value).Minutes < OverrideWindowMinutes)
{
result = true;
}
else
{
/* no point holding on to a timed-out manual override property */
olItem.ClearManualOverride();
}
}
return(result);
}