/// <summary>
/// Retrieves list of ChatMessage objects from SqlCommand, after database query
/// number of rows retrieved and returned depends upon the rows field value
/// </summary>
/// <param name="cmd">The command object to use for query</param>
/// <param name="rows">Number of rows to process</param>
/// <returns>A list of ChatMessage objects</returns>
private ChatMessageList GetList(SqlCommand cmd, long rows)
{
// Select multiple records
SqlDataReader reader;
long result = SelectRecords(cmd, out reader);
//ChatMessage list
ChatMessageList list = new ChatMessageList();
using ( reader )
{
// Read rows until end of result or number of rows specified is reached
while (reader.Read() && rows-- != 0)
{
ChatMessage chatMessageObject = new ChatMessage();
FillObject(chatMessageObject, reader);
list.Add(chatMessageObject);
}
// Close the reader in order to receive output parameters
// Output parameters are not available until reader is closed.
reader.Close();
}
return(list);
}
/// <summary>
/// 显示单个消息气泡
/// </summary>
/// <param name="message"></param>
public void AddSingleChatMessage(Messageobject message)
{
if (ServiceLocator.Current.GetInstance <MainViewModel>().Sess.Jid == message.jid)
{
//Add the single to ChatMessageList
ChatMessageList.Add(message.MessageObjectToBubbleItem());
Messenger.Default.Send(true, ChatBubbleListControl.ScrollChatBubbleMessageToBottom);//自动滚动
SendReadMsgAsync(new List <Messageobject> {
message
}); //发送已读
}
}