App.xaml.cpp

#include "pch.h"
#include "App.xaml.h"
#include "MainWindow.xaml.h"

using namespace winrt;
using namespace Microsoft::UI::Xaml;

// To learn more about WinUI, the WinUI project structure,
// and more about our project templates, see: http://aka.ms/winui-project-info.

namespace winrt::Aegis::implementation
{
    /// <summary>
    /// Initializes the singleton application object.  This is the first line of authored code
    /// executed, and as such is the logical equivalent of main() or WinMain().
    /// </summary>
    App::App()
    {
        // Xaml objects should not call InitializeComponent during construction.
        // See https://github.com/microsoft/cppwinrt/tree/master/nuget#initializecomponent

        UnhandledException([](IInspectable const&, UnhandledExceptionEventArgs const& e)
        {
            auto errorMessage = e.Message();
            MessageBoxW(nullptr, errorMessage.c_str(), L"Aegis Unhandled Exception", MB_OK | MB_ICONERROR);
            if (IsDebuggerPresent())
            {
                __debugbreak();
            }
        });
    }

    /// <summary>
    /// Invoked when the application is launched.
    /// </summary>
    /// <param name="e">Details about the launch request and process.</param>
    void App::OnLaunched([[maybe_unused]] LaunchActivatedEventArgs const& e)
    {
        try {
            window = make<MainWindow>();
            window.Activate();
        }
        catch (winrt::hresult_error const& ex) {
            MessageBoxW(nullptr, (L"HRESULT Error: " + std::wstring(ex.message())).c_str(), L"Activation Error", MB_OK | MB_ICONERROR);
        }
        catch (std::runtime_error const& ex) {
            std::string msg = ex.what();
            std::wstring wmsg(msg.begin(), msg.end());
            MessageBoxW(nullptr, (L"Runtime Error: " + wmsg).c_str(), L"Activation Error", MB_OK | MB_ICONERROR);
        }
        catch (std::exception const& ex) {
            std::string msg = ex.what();
            std::wstring wmsg(msg.begin(), msg.end());
            MessageBoxW(nullptr, (L"Standard Exception: " + wmsg).c_str(), L"Activation Error", MB_OK | MB_ICONERROR);
        }
    }
}