Delete a handle of a PLC variable

Requirements

Description

This Sample shows how to delete a handle of a PLC variable:

C# program

static void Main(string[] args)
{
 //Create a new instance of class TcAdsClient
 TcAdsClient tcClient = new TcAdsClient();
 int iHandle = 0;

 try
 {
    // Connect to local PLC - Runtime 1 - TwinCAT 3 Port=851
    tcClient.Connect(851);
    
        //Get the handle of the PLC variable "PLCVar"
        iHandle = tcClient.CreateVariableHandle("MAIN.PLCVar");

        //Release the specific handle of "PLCVar"
        tcClient.DeleteVariableHandle(iHandle);
 }
 catch (Exception ex)
 {
        Console.WriteLine(ex.Message);
        Console.ReadKey();
 }
 finally
 {
        tcClient.Dispose();
 }
}