public abstract class Application : Application

public ref class Application abstract : public Application

GDEx.Application = function();

Type.createClass(
	'GDEx.Application',
	Windows.UI.Xaml.Application);

<Applications>
    <Application Id="com.gd.based.application" <!-- BlackBerry Dynamics Entitlement ID in reverse-DNS notation -->
                 Executable="$targetnametoken$.exe"
                 EntryPoint="Sample.Windows.App">
        (...)
    </Application>
</Applications>

<Applications>
    <Application Id="com.gd.based.application" Executable="$targetnametoken$.exe" EntryPoint="Sample.Windows.App">
        <Extensions>
            <uap:Extension Category="windows.protocol">
                <!-- Protocol name must be set to "gd-sc3" -->
                <uap:Protocol Name="gd-sc3">
                    <uap:DisplayName>Sample windows app protocol</uap:DisplayName>
                </uap:Protocol>
            </uap:Extension>
            <uap:Extension Category="windows.protocol">
                <!-- Protocol name must be set to "gd-sc3.<gd-app-version>" -->
                <uap:Protocol Name="gd-sc3.1.0.0.0">
                    <uap:DisplayName>Sample windows app protocol</uap:DisplayName>
                </uap:Protocol>
            </uap:Extension>
        </Extensions>
        (...)
    </Application>
</Applications>

using System;
using Windows.UI.Xaml.Controls;
using GDEx;
using GD;

namespace SampleApp
{
    sealed partial class App : GDEx.Application
    {
        public App()
        {
            this.InitializeComponent();
        }

        protected override void NavigateToFirstPage(Frame frame, object eventArgs)
        {
            // Navigate to very first screen of your application (before authorization process begins).
            // Typically it will be a splash screen or similar.
            frame.Navigate(typeof(SplashView), eventArgs);
        }

        protected override async void HandleGDMessage(GDAppEvent appEvent)
        {
            // Remember to call base class implementation, as some events are processed
            // automatically inside the base class (e.g. GDAppEventType.GDAppEventReadyToAuthorize).
            base.HandleGDMessage(appEvent);

            if (appEvent.type == GDAppEventType.GDAppEventAuthorized)
            {
                // When user authorization succeed, you can navigate to main page of your application.
                await Navigate(typeof(MainPage));
            }
        }
    }
}

<gdex:Application
    x:Class="SampleApp.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:gdex="using:GDEx">
</gdex:Application>

{
    "GDLibraryMode" : "GDEnterpriseSimulation",
    "GDConsoleLogger" : [ "GDFilterNone" ]
}

namespace SampleApp
{
    sealed partial class App : GDEx.Application
    {
        public App() : base(Package.Current.InstalledLocation.Path + @"\settings.json")
        {
            this.InitializeComponent();
        }
    }

    (...)
}