OPC Studio User's Guide and Reference
Examples - User Interface - OPC A&E area or source dialog
View with Navigation Tools

.NET

// This example shows how to let the user browse for OPC Alarms&Events areas or sources. 
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.

using System.Linq;
using System.Windows.Forms;
using OpcLabs.EasyOpc.AlarmsAndEvents.Forms.Browsing;

namespace FormsDocExamples._AEAreaOrSourceDialog
{
    static class ShowDialog
    {
        public static void Main1(IWin32Window owner)
        {
            var areaOrSourceDialog = new AEAreaOrSourceDialog
            {
                ServerDescriptor = {ServerClass = "OPCLabs.KitEventServer.2"}
            };

            DialogResult dialogResult = areaOrSourceDialog.ShowDialog(owner);
            if (dialogResult != DialogResult.OK)
                return;

            // Display results
            string nodeElementsString = string.Join("\n", areaOrSourceDialog.NodeElements.Select(element => element));
            MessageBox.Show(owner, nodeElementsString);
        }
    }
}

Python

# This example shows how to let the user browse for OPC Alarms&Events areas or sources.
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
# a commercial license in order to use Online Forums, and we reply to every post.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc

# Import .NET namespaces.
from System.Windows.Forms import *
from OpcLabs.EasyOpc.AlarmsAndEvents.Forms.Browsing import *


areaOrSourceDialog = AEAreaOrSourceDialog()
areaOrSourceDialog.ServerDescriptor.ServerClass = "OPCLabs.KitEventServer.2"

dialogResult = areaOrSourceDialog.ShowDialog()
print(dialogResult)
if dialogResult != DialogResult.OK:
    exit()

# Display results.
print()
for nodeElement in areaOrSourceDialog.NodeElements:
    print(nodeElement)

 

See Also

Concepts