Uno.Windows-universal-samples/Samples/CameraAdvancedCapture/vb/App.xaml.vb

66 строки
2.4 KiB
VB.net

'*********************************************************
'
' Copyright (c) Microsoft. All rights reserved.
' This code is licensed under the MIT License (MIT).
' THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
' ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
' IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
' PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
'
'*********************************************************
Imports System
Imports Windows.ApplicationModel.Activation
Imports Windows.UI.Xaml
Imports Windows.UI.Xaml.Controls
Imports Windows.UI.Xaml.Navigation
Namespace Global.CameraAdvancedCapture
''' <summary>
''' Provides application-specific behavior to supplement the default Application class.
''' </summary>
NotInheritable Partial Class App
Inherits Application
Public Sub New()
Me.InitializeComponent()
End Sub
''' <summary>
''' Invoked when the application is launched normally by the end user. Other entry points
''' will be used such as when the application is launched to open a specific file.
''' </summary>
''' <param name="e">Details about the launch request and process.</param>
Protected Overrides Sub OnLaunched(e As LaunchActivatedEventArgs)
#If DEBUG Then
If System.Diagnostics.Debugger.IsAttached Then
Me.DebugSettings.EnableFrameRateCounter = True
End If
#End If
Dim rootFrame As Frame = TryCast(Window.Current.Content, Frame)
If rootFrame Is Nothing Then
rootFrame = New Frame()
rootFrame.Language = Windows.Globalization.ApplicationLanguages.Languages(0)
AddHandler rootFrame.NavigationFailed, AddressOf OnNavigationFailed
Window.Current.Content = rootFrame
End If
If rootFrame.Content Is Nothing Then
rootFrame.Navigate(GetType(MainPage), e.Arguments)
End If
Window.Current.Activate()
End Sub
''' <summary>
''' Invoked when Navigation to a certain page fails
''' </summary>
''' <param name="sender">The Frame which failed navigation</param>
''' <param name="e">Details about the navigation failure</param>
Sub OnNavigationFailed(sender As Object, e As NavigationFailedEventArgs)
Throw New Exception("Failed to load Page " & e.SourcePageType.FullName)
End Sub
End Class
End Namespace