public int Run()
{
Log = "";
plctag.ForceExtractLibrary = false;
var myLogger = new plctag.log_callback_func(logger);
var statusAfterLoggerRegistration = plctag.plc_tag_register_logger(myLogger);
plctag.plc_tag_set_debug_level(2);
var tagHandle = plctag.plc_tag_create("protocol=ab_eip&gateway=192.168.0.10&path=1,0&plc=LGX&elem_size=4&elem_count=1&name=MY_DINT", 1000);
while (plctag.plc_tag_status(tagHandle) == 1)
{
Thread.Sleep(100);
}
var statusBeforeRead = plctag.plc_tag_status(tagHandle);
if (statusBeforeRead != 0)
{
AddToLog($"Something went wrong {statusBeforeRead}");
}
var myEventCallback = new plctag.callback_func(eventCallback);
var statusAfterRegistration = plctag.plc_tag_register_callback(tagHandle, myEventCallback);
if (statusAfterRegistration != 0)
{
AddToLog($"Something went wrong {statusAfterRegistration}");
}
plctag.plc_tag_read(tagHandle, 1000);
while (plctag.plc_tag_status(tagHandle) == 1)
{
Thread.Sleep(100);
}
var statusAfterRead = plctag.plc_tag_status(tagHandle);
if (statusAfterRead != 0)
{
AddToLog($"Something went wrong {statusAfterRead}");
}
var value = (int)plctag.plc_tag_get_uint32(tagHandle, 0);
// Problem occurs here
var destroyResult = plctag.plc_tag_destroy(tagHandle);
return(value);
}
public static void RunCallbackExample()
{
var tagHandle = plctag.plc_tag_create("protocol=ab_eip&gateway=192.168.0.10&path=1,0&plc=LGX&elem_size=4&elem_count=1&name=MY_DINT", 1000);
while (plctag.plc_tag_status(tagHandle) == 1)
{
Thread.Sleep(100);
}
var statusBeforeRead = plctag.plc_tag_status(tagHandle);
if (statusBeforeRead != 0)
{
Console.WriteLine($"Something went wrong {statusBeforeRead}");
}
var myCallback = new plctag.callback_func(MyCallback);
var statusAfterRegistration = plctag.plc_tag_register_callback(tagHandle, myCallback);
if (statusAfterRegistration != 0)
{
Console.WriteLine($"Something went wrong {statusAfterRegistration}");
}
plctag.plc_tag_read(tagHandle, 1000);
while (plctag.plc_tag_status(tagHandle) == 1)
{
Thread.Sleep(100);
}
var statusAfterRead = plctag.plc_tag_status(tagHandle);
if (statusAfterRead != 0)
{
Console.WriteLine($"Something went wrong {statusAfterRead}");
}
var theValue = plctag.plc_tag_get_uint32(tagHandle, 0);
plctag.plc_tag_destroy(tagHandle);
Console.WriteLine(theValue);
}
public static extern int plc_tag_register_callback(Int32 tag_id, plctag.callback_func func);
