private void changeConnectionState(ConnectionType connectionType, Enums.ConnectionState connectionState)
{
ToolStripStatusLabel selectedLabel = null;
Color selectedColor = Color.Gray;
switch (connectionType)
{
case MSSQL:
selectedLabel = SQL_StatusLabel;
break;
case TCPIP:
selectedLabel = TCP_StatusLabel;
break;
}
switch (connectionState)
{
case disconnected:
selectedColor = Color.Red;
if (connectionType == TCPIP)
{
connect_button.Enabled = true;
timer1.Stop();
}
break;
case building:
selectedColor = Color.Orange;
if (connectionType == TCPIP)
{
connect_button.Enabled = false;
}
break;
case connected:
selectedColor = Color.Green;
if (connectionType == TCPIP)
{
connect_button.Enabled = false;
timer1.Start();
}
break;
}
selectedLabel.Text = connectionState.ToString();
selectedLabel.ForeColor = selectedColor;
Application.DoEvents();
}
private void viewForm_timer_Tick(object sender, EventArgs e)
{
if (!connection.Poll(0, SelectMode.SelectRead))
{
return;
}
try
{
byte[] buffer = new byte[1024];
int recieveSize = connection.Receive(buffer);
string input = Encoding.ASCII.GetString(buffer, 0, recieveSize);
string[] splitedInput = input.Split(';');
if (splitedInput[0] == "mssql")
{
ConnectionType currentConnectionType = MSSQL;
Enums.ConnectionState currentConnectionState = ToConnectionState(splitedInput[1]);
changeConnectionState(currentConnectionType, currentConnectionState);
}
else if (splitedInput[0] == "question")
{
if (!send_button.Enabled)
{
send_button.Enabled = true;
}
question_textBox.Text = splitedInput[1];
a_radioButton.Text = splitedInput[2];
b_radioButton.Text = splitedInput[3];
c_radioButton.Text = splitedInput[4];
d_radioButton.Text = splitedInput[5];
}
}
catch (SocketException)
{
connection.Shutdown(SocketShutdown.Both);
connection.Close();
changeConnectionState(TCPIP, disconnected);
changeConnectionState(MSSQL, disconnected);
}
}
