The delegate void SetTextCallback (string text);

Private void AppendTextBox (string text)
{
Try
{
If (Receive_TextBox. InvokeRequired)
{
SetTextCallback d=new SetTextCallback (AppendTextBox);
Enclosing the Invoke (d, text);
}
The else
{
Receive_TextBox. SuspendLayout ();
If (text. The Length==1 && text [0]==0 x08) (char)
{
If (Receive_TextBox. Text. Length> 0)
{
Receive_TextBox. SelectionStart=Receive_TextBox. Text. Length - 1;
Receive_TextBox. SelectionLength=1;
Receive_TextBox. SelectedText="";
}
}
The else
{
Receive_TextBox. AppendText (text);
}
If (Receive_TextBox. Text. Length> 100000)
{
Receive_TextBox. Text=Receive_TextBox. Text. The Substring (50000, Receive_TextBox. Text. Length - 50000);
}
Receive_TextBox. ResumeLayout (false);
}
}
Catch {}
}