// This example shows how to publish a command with single metric for a given device, specifying the data type. // // In order to publish or observe messages for this example, start the SparkplugEdgeNodeConsoleDemo program first. // // Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-ConnectivityStudio/Latest/examples.html . // Sparkplug examples in C# on GitHub: https://github.com/OPCLabs/Examples-ConnectivityStudio-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; using OpcLabs.EasySparkplug; using OpcLabs.EasySparkplug.OperationModel; namespace SparkplugDocExamples.Consumer._EasySparkplugConsumer { partial class PublishDeviceMetric { public static void DataType() { // Note that the default port for the "mqtt" scheme is 1883. var hostDescriptor = new SparkplugHostDescriptor("mqtt://localhost"); // Instantiate the consumer object. var consumer = new EasySparkplugConsumer(); Console.WriteLine("Publishing..."); try { // Create the command metric data, specifying the value and data type. // Note that without the explicitly specified data type, SparkplugDataType.String would be used here. var metricData = new SparkplugMetricData("abc", SparkplugDataType.Text); consumer.PublishDeviceMetric(hostDescriptor, "easyGroup", "easySparkplugDemo", "data", "Static/TextValue", metricData); } catch (SparkplugException sparkplugException) { Console.WriteLine($"*** Failure: {sparkplugException.GetBaseException().Message}"); return; } Console.WriteLine("Finished."); } } }
' This example shows how to publish a command with single metric for a given device, specifying the data type. ' ' In order to publish or observe messages for this example, start the SparkplugEdgeNodeConsoleDemo program first. ' ' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-ConnectivityStudio/Latest/examples.html . ' Sparkplug examples in C# on GitHub: https://github.com/OPCLabs/Examples-ConnectivityStudio-CSharp . ' Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own ' a commercial license in order to use Online Forums, and we reply to every post. Imports OpcLabs.EasySparkplug Imports OpcLabs.EasySparkplug.OperationModel Namespace Global.SparkplugDocExamples.Consumer._EasySparkplugConsumer Partial Class PublishDeviceMetric Public Shared Sub DataType() ' Note that the default port for the "mqtt" scheme is 1883. Dim hostDescriptor = New SparkplugHostDescriptor("mqtt://localhost") ' Instantiate the consumer object. Dim consumer = New EasySparkplugConsumer() Console.WriteLine("Publishing...") Try ' Create the command metric data, specifying the value and data type. ' Note that without the explicitly specified data type, SparkplugDataType.String would be used here. Dim metricData = New SparkplugMetricData("abc", SparkplugDataType.Text) consumer.PublishDeviceMetric(hostDescriptor, "easyGroup", "easySparkplugDemo", "data", "Static/TextValue", metricData) Catch sparkplugException As SparkplugException Console.WriteLine($"*** Failure: {sparkplugException.GetBaseException().Message}") Return End Try Console.WriteLine("Finished.") End Sub End Class End Namespace
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