// This example shows how to let the user browse for OPC Alarms&Events categories. // // 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._AECategoryDialog { static class ShowDialog { public static void Main1(IWin32Window owner) { var categoryDialog = new AECategoryDialog { ServerDescriptor = {ServerClass = "OPCLabs.KitEventServer.2"} }; DialogResult dialogResult = categoryDialog.ShowDialog(owner); if (dialogResult != DialogResult.OK) return; // Display results string categoryElementsString = string.Join("\n", categoryDialog.CategoryElements.Select(element => element)); MessageBox.Show(owner, categoryElementsString); } } }
' This example shows how to let the user browse for OPC Alarms&Events categories. ' ' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . ' OPC client and subscriber examples in VB.NET on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-VBNET . ' 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. Imports OpcLabs.EasyOpc Imports OpcLabs.EasyOpc.AlarmsAndEvents.AddressSpace Imports OpcLabs.EasyOpc.AlarmsAndEvents.Forms.Browsing Namespace FormsDocExamples._AECategoryDialog Friend Class ShowDialog Shared Sub Main1(owner As IWin32Window) Dim categoryDialog = New AECategoryDialog() With { .ServerDescriptor = New ServerDescriptor() With { .ServerClass = "OPCLabs.KitEventServer.2" } } Dim dialogResult As DialogResult = categoryDialog.ShowDialog(owner) If dialogResult <> DialogResult.OK Then Return End If ' Display results Dim categoryElementsString As String = String.Join("\n", categoryDialog.CategoryElements.Select(Function(element As AECategoryElement) element)) MessageBox.Show(owner, categoryElementsString) End Sub End Class End Namespace
# This example shows how to let the user browse for OPC Alarms&Events categories. # # 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 * categoryDialog = AECategoryDialog() categoryDialog.ServerDescriptor.ServerClass = "OPCLabs.KitEventServer.2" dialogResult = categoryDialog.ShowDialog() print(dialogResult) if dialogResult != DialogResult.OK: exit() # Display results. print() for categoryElement in categoryDialog.CategoryElements: print(categoryElement)
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