private void buttonConnect_Click(object sender, EventArgs e)
{
// similar to Form_Load
FormCreate frm = new FormCreate();
frm.ShowDialog();
host = frm.host;
port = frm.port;
ConnectToServer();
}
private void Form1_Load(object sender, EventArgs e)
{
// entering server's address and port
// if you press 'Cancel' button, will be recorded default address and port from const
FormCreate frm = new FormCreate();
frm.ShowDialog();
host = frm.host;
port = frm.port;
ConnectToServer();
}