public static IDisposable RunServer(Action <HttpListenerContext> action, out string host, out int port)
{
host = "localhost";
port = 0;
RunningServer server = null;
var retryCount = 5;
while (retryCount > 0)
{
try
{
port = GlobalRandom.Next(2000, 5000);
server = new RunningServer(action, host, port);
server.Start();
break;
}
catch (HttpListenerException)
{
retryCount--;
}
}
return(server);
}
public void StopSqlServer()
{
if (RunningServer != null)
{
RunningServer.Stop();
}
}
public HTIndustrialCtrlBase()
{
InitializeComponent();
// Set the styles for drawing
SetStyle(ControlStyles.AllPaintingInWmPaint |
ControlStyles.ResizeRedraw |
ControlStyles.DoubleBuffer |
ControlStyles.SupportsTransparentBackColor,
true);
// Transparent background
this.BackColor = Color.Transparent;
// Creation of the default renderer
this._defaultRenderer = CreateDefaultRenderer();
if (this._defaultRenderer != null)
{
this._defaultRenderer.Control = this;
}
//data subjection
if (this.varName != null && this.varName != "")
{
RunningServer server = RunningServer.getServer();
server.DataRefresh += OnDataChanged;
}
}
public HTDataScanner()
{
InitializeComponent();
//data subjection
RunningServer server = RunningServer.getServer();
server.Connected += OnConnected;
}
private void FetchDataAndShow()
{
if (varName == null && varName == "")
{
return;
}
RunningServer server = RunningServer.getServer();
double value = server.NormalRead <double>(varName);
this.Value = value;
}
private void FetchDataAndShow()
{
if (varName == null || varName == "")
{
return;
}
RunningServer server = RunningServer.getServer();
bool value = server.NormalRead <bool>(varName);
this.State = value ? LedState.On : LedState.Off;
}
void StartSqlServer(SqlServer server)
{
if (server.Equals(RunningServer))
{
return;
}
if (RunningServer != null)
{
RunningServer.Stop();
}
server.Start();
RunningServer = server;
}
public HTLed()
{
InitializeComponent();
this.Size = new Size(20, 20);
this.ledColor = Color.Red;
this.state = HTLed.LedState.Off;
this.style = HTLed.LedStyle.Circular;
this.blinkIsOn = false;
this.ledSize = new SizeF(10F, 10F);
this.labelPosition = LedLabelPosition.Top;
//data subjection
RunningServer server = RunningServer.getServer();
server.Connected += OnConnected;
}
private void FetchDataAndShow()
{
if (varName == null || varName == "")
{
return;
}
RunningServer server = RunningServer.getServer();
double value = server.NormalRead <double>(varName);
/*using delegate to avoid cross-thread changing.*/
while (!this.IsHandleCreated)
{
Thread.Sleep(1000);
}
Action action = () =>
{
this.textBox1.Text = value.ToString();
};
Invoke(action);
}
private void OnConnected(object sender, EventArgs e)
{
RunningServer server = RunningServer.getServer();
server.DataRefresh += OnDataChanged;
}