/// <summary>
/// Displays the dialog.
/// </summary>
public async Task <bool> ShowDialog(CertificateIdentifier certificateIdentifier)
{
CertificateStoreCTRL.StoreType = null;
CertificateStoreCTRL.StorePath = null;
PrivateKeyCB.SelectedIndex = 0;
PropertiesCTRL.Initialize((X509Certificate2)null);
if (certificateIdentifier != null)
{
X509Certificate2 certificate = await certificateIdentifier.Find();
CertificateStoreCTRL.StoreType = certificateIdentifier.StoreType;
CertificateStoreCTRL.StorePath = certificateIdentifier.StorePath;
if (certificate != null && certificateIdentifier.Find(true) != null)
{
PrivateKeyCB.SelectedIndex = 1;
}
else
{
PrivateKeyCB.SelectedIndex = 0;
}
PropertiesCTRL.Initialize(certificate);
}
if (ShowDialog() != DialogResult.OK)
{
return(false);
}
return(true);
}
//----------------------------------------------------------------------------------------------------------------------
// btnConnect_Click
//-----------------------
// This method tries to connect to the specified OPC Server.
// If connected successfully, this method also registers the name of the client with the server and
// adds an OPC Group.
//----------------------------------------------------------------------------------------------------------------------
private void btnConnect_Click(object sender, EventArgs e)
{
TsCDaBrowseElement[] BrowserElement;
TsCDaBrowsePosition BrowserPos;
OpcItem Path = new OpcItem("");
_filter.BrowseFilter = TsCDaBrowseFilter.All;
_filter.ReturnAllProperties = true;
_filter.ReturnPropertyValues = true;
try
{
Cursor = Cursors.WaitCursor;
if (!_myServer.IsConnected)
{
// No connection to server, connect to it
_textBoxServerUrl.Enabled = false;
_myServer.Connect(_textBoxServerUrl.Text); // Connect now with Server
BrowserElement = _myServer.Browse(Path, _filter, out BrowserPos);
/// All succeeded, update buttons and text fields
_textBoxServerUrl.Enabled = false;
_btnConnect.Text = "Disconnect";
BrowseCTRL.ShowSingleServer(_myServer, _filter);
PropertiesCTRL.Initialize(null);
}
else
{
// connection to server exists, disconnect to it
_textBoxServerUrl.Enabled = true;
BrowseCTRL.Clear();
PropertiesCTRL.Initialize(null);
_myServer.Disconnect();
_btnConnect.Text = "Connect";
}
Cursor = Cursors.Default; // Set default cursor
}
catch (OpcResultException exe)
{
Cursor = Cursors.Default; /// Set default cursor
MessageBox.Show(exe.Message, exe.Source, MessageBoxButtons.OK, MessageBoxIcon.Warning);
_textBoxServerUrl.Enabled = true;
_btnConnect.Text = "Connect";
}
catch (Exception ex)
{
Cursor = Cursors.Default; /// Set default cursor
MessageBox.Show(ex.Message, ex.Source, MessageBoxButtons.OK, MessageBoxIcon.Warning);
_textBoxServerUrl.Enabled = true;
_btnConnect.Text = "Connect";
}
}
/// <summary>
/// Displays the dialog.
/// </summary>
public bool ShowDialog(X509Certificate2 certificate)
{
CertificateStoreCTRL.StoreType = null;
CertificateStoreCTRL.StorePath = null;
PrivateKeyCB.SelectedIndex = 0;
PropertiesCTRL.Initialize(certificate);
if (ShowDialog() != DialogResult.OK)
{
return(false);
}
return(true);
}
/// <summary>
/// Called when a server is picked in the browse control.
/// </summary>
private void OnElementSelected(TsCDaBrowseElement element)
{
PropertiesCTRL.Initialize(element);
}