Image Manager/Cvb++/CppConnectionState

This example program is located in your CVB installation under %CVB%Tutorial/Image Manager/Cvb++/CppConnectionState.

main.cpp:

// The CppConnectionState example shows the state of device connection. The console output gives a
// message when device is disconnected.
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
 
#include <cvb/device_factory.hpp>
#include <iostream>
#include <stdio.h>
 
int main() {
  try {
    // open a device
    auto infoList =
        Cvb::DeviceFactory::Discover(Cvb::DiscoverFlags::IgnoreVins);
    if (infoList.empty()) {
      std::cout << "no device discovered" << std::endl;
      return (0);
    }
    auto device = Cvb::DeviceFactory::Open<Cvb::GenICamDevice>(
        infoList[0].AccessToken(), Cvb::AcquisitionStack::GenTL);
    auto cookie = device->RegisterConnectionStateChangedEvent(
        []() { std::cout << "device was disconnected" << std::endl; });
    char endKey;
    std::cout << "you can disconnect the device and get a confirmation message "
                 "or ending the program by pressing a key."
              << std::endl;
    std::cin >> endKey;
  } catch (const std::exception &error) {
    std::cout << error.what() << std::endl;
  }
  return (0);
}