Application.startupCompleted Event

# Import fusion360utils folder, which includes event_utils.py.
from ...lib import fusion360utils as futil

# Global variable used to maintain a reference to all event handlers.
local_handlers = []

# "application_var" is a variable referencing an Application object.
# "application_startupCompleted" is the event handler function.
futil.add_handler(application_var.startupCompleted, application_startupCompleted, local_handlers=local_handlers)

# Event handler for the startupCompleted event.
def application_startupCompleted(args: adsk.core.ApplicationEventArgs):
    # Code to react to the event.
    app.log('In application_startupCompleted event handler.')

# Global variable used to maintain a reference to all event handlers.
handlers = []

# "application_var" is a variable referencing an Application object.
# "MyStartupCompletedHandler" is the name of the class that handles the event.
onStartupCompleted = MyStartupCompletedHandler()
application_var.startupCompleted.add(onStartupCompleted)
handlers.append(onStartupCompleted)

# Event handler for the startupCompleted event.
class MyStartupCompletedHandler(adsk.core.ApplicationEventHandler):
    def __init__(self):
        super().__init__()
    def notify(self, args: adsk.core.ApplicationEventArgs):
        # Code to react to the event.
        app.log('In MyStartupCompletedHandler event handler.')

#include <Core/Application/Application.h>
#include <Core/Application/ApplicationEvent.h>
#include <Core/Application/ApplicationEventHandler.h>
#include <Core/Application/ApplicationEventArgs.h>

// Event handler for the startupCompleted event.
class MyStartupCompletedEventHandler : public adsk::core::ApplicationEventHandler
{
public:
    void notify(const Ptr<ApplicationEventArgs>& eventArgs) override
    {
        // Code to react to the event.
        ui->messageBox("In MyStartupCompletedEventHandler event handler.");
    }
} _startupCompleted;

// "application_var" is a variable referencing an Application object.
// Connect the handler function to the event.
Ptr<ApplicationEvent> startupCompletedEvent = application_var->startupCompleted();
if (!startupCompletedEvent)
    return;

bool isOk = startupCompletedEvent->add(&_startupCompleted);
if (!isOk)
    return;