VB.NET尝试读取My.Settings中的System.Collections.Specialized.StringCollection返回InvalidOperationException

时间:2013-06-17 08:27:20

标签: vb.net invalidoperationexception my.settings stringcollection

在我的vb.net项目中,我使用visual studio的内置设置管理器创建了以下设置:

  • appVisible(布尔)
  • saveFusedFiles(Boolean)
  • colors(System.Collections.Specialized.StringCollection)
  • 分隔符(System.Collections.Specialized.StringCollection)

尝试阅读“颜色”或“分隔符”时,我会得到一个InvalidOperationException,但读取布尔变量会有效。

在我的Config file我找不到我的System.Collections.Specialized.StringCollection变量......

据我所知,设置变量的实例是自动创建的,所以这应该不是问题。

这是我阅读设置的构造函数:

Public Sub New()

    ' This call is required by the Windows Form Designer.
    InitializeComponent()

    ' Add any initialization after the InitializeComponent() call.

    My.Settings.Reload()

    'INIT Separators

    If Not ListView_Separators.Items.Count = 0 Then
        ListView_Separators.Items.Clear()
    End If

    If My.Settings.separators.Count = 0 Then
        My.Settings.separators.Add(",")
        GenerateListViewItem(",")
    Else
        For Each seperator As String In My.Settings.separators
            GenerateListViewItem(seperator)
        Next
    End If
    Button_Add.Enabled = False
    Button_Delete.Enabled = False

    'INIT Colors

    If DataGridView_Colors.Rows.Count > 0 Then
        DataGridView_Colors.Rows.Clear()    'Clear DataGridView
    End If
    For Each color As String In My.Settings.colors  'Add all Colors to DataGridView
        'Add to DataGridView
        Dim splitedColor As String() = New String(1) {1, 1}
        splitedColor = color.Split("_")
        Dim contentText As String
        Select Case splitedColor(1)
            Case 0
                contentText = "New component"
            Case 1
                contentText = "Removed component"
            Case 2
                contentText = "Changed Data"
        End Select
        Dim arrDataGridRow As String() = New String(1) {splitedColor(0), contentText}
        DataGridView_Colors.Rows.Add(arrDataGridRow)
        Dim dgwStyle As New DataGridViewCellStyle
        dgwStyle.ForeColor = Drawing.Color.FromName(splitedColor(0))
        DataGridView_Colors.Rows(DataGridView_Colors.Rows.Count - 1).Cells(0).Style = dgwStyle
    Next

    'INIT View

    If My.Settings.appVisible = True Then
        Checkbox_Visable.Checked = True
    Else
        Checkbox_Visable.Checked = False
    End If

End Sub

My.Settings.separators.Count抛出异常。

有谁知道如何处理这个问题?

1 个答案:

答案 0 :(得分:0)

我认为这就解释了为什么你没有在配置文件中看到这个集合。

https://stackoverflow.com/a/23452534/3585500

但是,对同一问题的答案似乎是一个更好的解决方案。

https://stackoverflow.com/a/24112414/3585500