//Online users list double click to open private chat
private void listBox1_DoubleClick(object sender, EventArgs e)
{
if (usersList.SelectedItem != null) //Check if the selected online user is null
{
//This used to check if the private chat visible.
//If not new private chat for the specific client will open
Boolean flag = true;
//Get index of the selected client
int userIndex = usersList.SelectedIndex;
//Get endpoint of a specific client
string selectUser = endpoints[endpoints.Count - userIndex - 1];
//check if the private chat all ready open
foreach (Private_Chat pcUser in pcUsers.Keys)
{
if (selectUser.Equals(pcUser.Endpoint))
{
if (pcUser.Visible)
{
flag = false;
pcUser.Visible = true;
}
else
{
pcUsers.Remove(pcUser); //If form not visible remove the form
}
break;
}
}
//If the private chat not opened. Flag value will be trye.
if (flag)
{
//Finiding specific client details and open a new private chat with the specific selected client
foreach (string users in onlineUsers.Keys)
{
if (users.Equals(selectUser))
{
Private_Chat pc = new Private_Chat();
pc.ClntName = onlineUsers[selectUser].ToString();
pc.Username = username;
pc.Endpoint = users;
pc.Tcpclnt = tcpclnt;
pcUsers.Add(pc, users);
pc.Visible = true;
break;
}
}
}
else
{
MessageBox.Show("Private Chat already opened", "", MessageBoxButtons.OK
, MessageBoxIcon.Information);
}
}
}
//Open or set received private message to the client private chat window
private void openPrivateChat(string ip, string user, string msg)
{
//Flag used to check if the client already have a private chat. If not open a new private chat
Boolean flag = true;
//Check if client having a private chat with the other client already
foreach (Private_Chat pcUser in pcUsers.Keys)
{
if (pcUsers[pcUser].Equals(ip))
{
this.Invoke((MethodInvoker) delegate()
{
if (pcUser.Visible)
{
flag = false;
pcUser.setStatus(onlineUsers[user] + " : " + msg); //Client available display received message
}
else
{
pcUsers.Remove(pcUser); //If private form not visible remove private chat window from the list
}
});
break;
}
}
if (flag)
{
this.Invoke((MethodInvoker) delegate()
{
//Open a new private chat
Private_Chat pc = new Private_Chat();
pc.ClntName = onlineUsers[user].ToString();
pc.Username = username;
pc.Endpoint = ip;
pc.Tcpclnt = tcpclnt;
pcUsers.Add(pc, ip);
pc.Visible = true;
pc.setStatus(onlineUsers[user] + " : " + msg);
});
}
}