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 <iostream>
#include <stdio.h>
#include <iostream>
#include <cvb/device_factory.hpp>
 
 
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);
}