private static int GetEvmAttachmentOrder(string evmAttachmentOrder, string attachmentName)
{
if (string.IsNullOrEmpty(evmAttachmentOrder) || string.IsNullOrEmpty(attachmentName))
{
return(-1);
}
int endIndex = evmAttachmentOrder.Length;
int num = 1;
for (int i = evmAttachmentOrder.Length - 1; i >= -1; i--)
{
if (i == -1 || evmAttachmentOrder[i] == ';')
{
if (Xso14AttachmentsProperty.ContainsAttachmentName(evmAttachmentOrder, i + 1, endIndex, attachmentName))
{
return(num);
}
endIndex = i;
if (i != evmAttachmentOrder.Length - 1)
{
num++;
}
}
}
return(-1);
}
protected override Attachment12Data GetAttachmentData(Item message, Attachment attachment, string idbase, ref int index)
{
Attachment14Data attachment14Data = (Attachment14Data)base.GetAttachmentData(message, attachment, idbase, ref index);
if (attachment14Data == null)
{
return(null);
}
if (this.IsEvmMessage())
{
if (this.evmAttachmentOrders == null && base.Count > 1)
{
this.evmAttachmentOrders = new List <int>(base.Count);
}
attachment14Data.Order = Xso14AttachmentsProperty.GetEvmAttachmentOrder(message.GetValueOrDefault <string>(MessageItemSchema.VoiceMessageAttachmentOrder), attachment14Data.DisplayName);
if (this.evmAttachmentOrders != null)
{
if (this.evmAttachmentOrders.Contains(attachment14Data.Order))
{
attachment14Data.Order = -1;
}
else
{
this.evmAttachmentOrders.Add(attachment14Data.Order);
}
}
if (Xso14AttachmentsProperty.IsTheLatestEvmAttachment(attachment14Data.Order))
{
attachment14Data.Duration = message.GetValueOrDefault <int>(MessageItemSchema.VoiceMessageDuration, -1);
}
}
return(attachment14Data);
}