i made a messenger(client + server in a single application) and if a have 2 computer behind a firewall, both talking with someone on the WAN for the two conversations the programs opens just one window on the WAN client. The windows are ...

how does yahoo messenger pass through the router without any router config and my messenger needs router configuration?

i figured it out myself. thx tip: if you try to apply a font style to a text with mixt fonts it will remove all other fonts.

please delete this question

Hello, I'm developing an application in which I need to copy the content of a richtextbox with all its font settings to another richtextbox. the code i use is like this [code] this.chatTxt.SelectionStart = this.chatTxt.Text.Length; ...