/// <summary>
/// Initializes and displays a modal dialog.
/// </summary>
public RegisteredDotNetOpcServer ShowDialog(RegisteredDotNetOpcServer registeredServer)
{
Initialize();
m_registeredServer = registeredServer;
if (registeredServer != null)
{
// select the .NET server.
bool found = false;
for (int ii = 0; ii < DotNetServerCB.Items.Count; ii++)
{
DotNetOpcServer server = DotNetServerCB.Items[ii] as DotNetOpcServer;
if (server.CLSID == registeredServer.ServerCLSID)
{
DotNetServerCB.SelectedIndex = ii;
found = true;
break;
}
}
if (!found)
{
DotNetServerCB.SelectedIndex = DotNetServerCB.Items.Add(new DotNetOpcServer(registeredServer.ServerCLSID));
}
// select the wrapper process.
found = false;
for (int ii = 0; ii < WrapperCB.Items.Count; ii++)
{
DotNetOpcServerWrapper wrapper = WrapperCB.Items[ii] as DotNetOpcServerWrapper;
if (wrapper.CLSID == registeredServer.WrapperCLSID)
{
WrapperCB.SelectedIndex = ii;
found = true;
break;
}
}
if (!found)
{
WrapperCB.SelectedIndex = WrapperCB.Items.Add(new DotNetOpcServerWrapper(registeredServer.WrapperCLSID));
}
// set the remaining parameters.
ClsidTB.Text = registeredServer.CLSID.ToString();
ProgIdTB.Text = registeredServer.ProgId;
DescriptionTB.Text = registeredServer.Description;
ParametersCTRL.Initialize(registeredServer);
}
if (DotNetServerCB.SelectedIndex == -1 && DotNetServerCB.Items.Count > 0)
{
DotNetServerCB.SelectedIndex = 0;
}
if (WrapperCB.SelectedIndex == -1 && WrapperCB.Items.Count > 0)
{
WrapperCB.SelectedIndex = 0;
}
ShowDialog();
if (DialogResult != DialogResult.OK)
{
return(null);
}
return(m_registeredServer);
}
/// <summary>
/// Initializes the controls.
/// </summary>
private void Initialize()
{
DotNetServerCB.Items.Clear();
List <DotNetOpcServer> servers = DotNetOpcServer.EnumServers();
foreach (DotNetOpcServer server in servers)
{
DotNetServerCB.Items.Add(server);
}
DotNetServerCB.SelectedIndex = -1;
WrapperCB.Items.Clear();
List <DotNetOpcServerWrapper> wrappers = DotNetOpcServerWrapper.EnumWrappers();
foreach (DotNetOpcServerWrapper wrapper in wrappers)
{
WrapperCB.Items.Add(wrapper);
}
ParametersCTRL.Initialize(null);
}
private void OkBTN_Click(object sender, EventArgs e)
{
try
{
RegisteredDotNetOpcServer server = new RegisteredDotNetOpcServer();
// set the .NET server.
if (DotNetServerCB.SelectedIndex == -1)
{
throw new ApplicationException("No .NET OPC server selected.");
}
server.ServerCLSID = ((DotNetOpcServer)DotNetServerCB.SelectedItem).CLSID;
// set the wrapper.
if (WrapperCB.SelectedIndex == -1)
{
throw new ApplicationException("No wrapper process selected.");
}
server.WrapperCLSID = ((DotNetOpcServerWrapper)WrapperCB.SelectedItem).CLSID;
// set the clsid.
if (String.IsNullOrEmpty(ClsidTB.Text))
{
server.AssignCLSID(Guid.NewGuid());
}
else
{
server.AssignCLSID(new Guid(ClsidTB.Text));
}
// set the prog id.
if (String.IsNullOrEmpty(ProgIdTB.Text))
{
server.AssignProgId(((DotNetOpcServer)DotNetServerCB.SelectedItem).ProgId + ".Wrapped");
}
else
{
server.AssignProgId(ProgIdTB.Text);
}
// save the decryption.
server.Description = DescriptionTB.Text;
// save the parameters.
Dictionary <string, string> parameters = ParametersCTRL.GetParameters();
if (parameters != null)
{
foreach (KeyValuePair <string, string> entry in parameters)
{
server.Parameters[entry.Key] = entry.Value;
}
}
// remove existing registration.
if (m_registeredServer != null)
{
m_registeredServer.Unregister();
}
// update registry.
server.Register();
m_registeredServer = server;
// close dialog.
DialogResult = DialogResult.OK;
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
