Question

我在xaml项目中有一个主页面，我已经部署了代码来获取屏幕属性。当我旋转屏幕时，它会相应地更改页面的值。但是，当我将相同的代码放到从主页面（frame.navigate）启动的其他.xaml页面时，它会在visual studio中打开“app.givb”并突出显示“ Global.System.Diagnostics.Debugger.Break（）“代码中。当我旋转移动设备屏幕不旋转但是第二页打开并显示属性。请帮忙解决问题。非常感谢你。我的代码如下：

 Private Sub ScreenAnalysis(sender As Object, e As SizeChangedEventArgs) Handles Me.SizeChanged, Me.Loaded

    Dim PageWidth = Window.Current.Bounds.Width
    Dim PageHeight = Window.Current.Bounds.Height
    Dim ScreenWidth = DisplayInformation.GetForCurrentView.ScreenWidthInRawPixels()
    Dim ScreenHeight = DisplayInformation.GetForCurrentView.ScreenHeightInRawPixels()
    Dim ScreenScale = DisplayInformation.GetForCurrentView.ResolutionScale()
    Dim ScreenOrientation = DisplayInformation.GetForCurrentView.CurrentOrientation()



    screenproperties1.Text = "<--Page Properties-->" & vbCrLf & "Width: " & PageWidth & vbCrLf & "Height: " & PageHeight & vbCrLf & "<--Screen Properties-->" & vbCrLf & "Windth: " & ScreenWidth & vbCrLf & "Height: " & ScreenHeight & vbCrLf & "<--Other--> " & vbCrLf & "ScreenScale: " & ScreenScale & vbCrLf & "Screen Orientation: " & ScreenOrientation
End Sub

“app.g.i.vb”内容如下：

Option Strict Off
Option Explicit On

Namespace Global.Mechanical_Engineering_Tools

#If Not DISABLE_XAML_GENERATED_MAIN Then
Public Class Program

    <MTAThread()> _
    <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Windows.UI.Xaml.Build.Tasks", " 10.0.17.0")>  _
    <Global.System.Diagnostics.DebuggerNonUserCodeAttribute()>  _
    Shared Sub Main(ByVal args() As String)
        Global.Windows.UI.Xaml.Application.Start(Function(p) New Global.Mechanical_Engineering_Tools.App())
    End Sub

    <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Windows.UI.Xaml.Build.Tasks", " 10.0.17.0")>  _
    <Global.System.Diagnostics.DebuggerNonUserCodeAttribute()>  _
    Sub Program
    End Sub

End Class
#End If


<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()>  _
Partial Class App
    Inherits Global.Windows.UI.Xaml.Application

    Private _contentLoaded As Boolean
    <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Windows.UI.Xaml.Build.Tasks", " 10.0.17.0")>  _
    <Global.System.Diagnostics.DebuggerNonUserCodeAttribute()>  _
    Public Sub InitializeComponent()
        If _contentLoaded Then
            Return
        End If
        _contentLoaded = true

#If Debug AndAlso Not DISABLE_XAML_GENERATED_BINDING_DEBUG_OUTPUT Then
        AddHandler Me.DebugSettings.BindingFailed,
            Sub(Sender As Global.System.Object, bindingFailedArgs As Global.Windows.UI.Xaml.BindingFailedEventArgs)
                Global.System.Diagnostics.Debug.WriteLine(bindingFailedArgs.Message)
            End Sub
#End If

#If Debug AndAlso Not DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION Then
        AddHandler Me.UnhandledException,
            Sub(sender As Global.System.Object, unhandledExceptionArgs As Global.Windows.UI.Xaml.UnhandledExceptionEventArgs)
                If Global.System.Diagnostics.Debugger.IsAttached Then
                    Global.System.Diagnostics.Debugger.Break()
                End If
            End Sub
#End If
    End Sub

End Class

End Namespace

Answer 1

我不确定发生了什么，但是当我从[pagename] .g.i。[language]文件中收到错误时，通常是因为我的数据绑定存在问题。或许仔细检查那些？这是一个生成的文件，你收到错误，这意味着问题可能是两个文件（如.XAML和.VB）之间的连接，编译器无法捕获（如某些数据绑定问题）

Answer 2

我发现了问题。问题在于事件类型已更改大小，加载的事件无法一起运行：

$csv = Get-Content .\input.txt # source CSV file
$cap = $csv[0] -split '\s+'    # caption of CSV
# replace spaces separating columns, group objects by ID
($csv[1..$csv.Length] -replace '(\d+)\s+(.*)\s+(\d+)', '$1,$2,$3' |
ConvertFrom-Csv -Delimiter ',' -Header $cap | Group-Object ID).ForEach{
  $_.Group | Export-Csv "$($_.Name).csv" # write result
}

因为 sizechanged 需要'SizeChangedEventArgs'，但 Loaded 需要'RoutedEventArgs'

屏幕旋转问题，错误“app.g.i.vb”

2 个答案: