private static MessageFlags UpdateMessageFlags(IPropertyBag propertyBag, MessageFlags flagsFromSource)
{
MessageFlags messageFlags = MessageFlags.None;
AnnotatedPropertyValue annotatedProperty = propertyBag.GetAnnotatedProperty(PropertyTag.MessageFlags);
if (!annotatedProperty.PropertyValue.IsError)
{
messageFlags = (MessageFlags)((int)annotatedProperty.PropertyValue.Value);
}
if (flagsFromSource.HasFlag(MessageFlags.Read))
{
messageFlags |= MessageFlags.Read;
}
else
{
messageFlags &= ~MessageFlags.Read;
}
if (flagsFromSource.HasFlag(MessageFlags.Unsent))
{
messageFlags |= MessageFlags.Unsent;
}
else
{
messageFlags &= ~MessageFlags.Unsent;
}
return(messageFlags);
}
private static bool ShouldUpdateIconIndex(IPropertyBag propertyBag, IconIndex iconIndexFromSource)
{
if (iconIndexFromSource.Equals(IconIndex.BaseMail))
{
AnnotatedPropertyValue annotatedProperty = propertyBag.GetAnnotatedProperty(new PropertyTag(276824067U));
if (annotatedProperty.PropertyValue.IsError)
{
return(false);
}
IconIndex iconIndex = (IconIndex)annotatedProperty.PropertyValue.Value;
if (iconIndex != IconIndex.MailReplied && iconIndex != IconIndex.MailForwarded)
{
return(false);
}
}
return(true);
}