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Thread: Treeview After Select error

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  1. #1
    eXtreme Programmer .paul.'s Avatar
    Join Date
    May 2007
    Location
    Chelmsford UK
    Posts
    26,424

    Re: Treeview After Select error

    put a Stop line before curNode = e.Node + run + step through the code + check your objects + variables

  2. #2

    Thread Starter
    Frenzied Member
    Join Date
    Nov 1999
    Posts
    1,337

    Re: Treeview After Select error

    Thanks paul,

    But Jackson County is hard coded to always be there. I also set the curNode.Tag to Jackson County on form load. If Personal is not selected then it defaults to Jackson County. Like I said, I cannot get it in debug mode so I have placed stops at various places and I have stepped through it, never once got the error. I believe it is a timing issue from when the form loads to selecting the parent, all done without user intervention.

    I will try again.

  3. #3

    Thread Starter
    Frenzied Member
    Join Date
    Nov 1999
    Posts
    1,337

    Re: Treeview After Select error

    Ok, so this is teh code I have
    Code:
    Private Sub tvFolders_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles tvFolders.AfterSelect
          
            curNode = e.Node       
            Dim root1 As Boolean = False
            Dim ErrorStr As String = Nothing
    
            Try
                ErrorStr = "start"
                If curNode.Text = "Jackson County" Then      
                   
                    root1 = True
                     ErrorStr = ErrorStr & Chr(13) & "Root=true"
                ElseIf curNode.Text = "Personal" Then
                   
                    MnuFDelete.Enabled = False
                    ErrorStr = ErrorStr & Chr(13) & "Personal=true"
                    lvFiles.Items.Clear()
                    Exit Sub
                   
                Else
                    curNode.Tag = appPath & curNode.Text & "\"
                End If
    
                If curNode.Tag.ToString.Length < 1 Then
                    MsgBox("appPath empty")
                End If
                If curNode.Level = 0 Then
                    curNode.ImageIndex = 2
                    curNode.SelectedImageIndex = 2
                    ErrorStr = ErrorStr & Chr(13) & "level=0"
                Else
                    curNode.ImageIndex = 0
                    curNode.SelectedImageIndex = 1
                    ErrorStr = ErrorStr & Chr(13) & "level > 0"
                End If
               
    
                If Not curNode.Text = "Personal" Then
                    ' Find all the files in the currentlty selected directory
                    ErrorStr = ErrorStr & Chr(13) & "Get list folders= " & curNode.Tag
                    objFS.ListFoldersFiles(curNode.Tag, lvFiles, ImageList2)
                End If
    
                If My.Settings.Favorites.Contains(curNode.Text) Then
                    MnuFDelete.Enabled = True
                    ErrorStr = ErrorStr & Chr(13) & "node set in favorites"
                    If lvFiles.Items.Count < 1 Then
                        lvFiles.Items.Clear()
    
                    End If
                Else
                    MnuFDelete.Enabled = False
                    ErrorStr = ErrorStr & Chr(13) & "node not in favorites"
                End If
                lvFiles.Sort()
                lvFiles.Columns(0).AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent)
                lvFiles.Columns(2).AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent)
    
            Catch ex As Exception
                Debug.WriteLine(ex.Message)
                MsgBox("Select Failed" & Chr(13) & Chr(13) & ex.Message & Chr(13) & ErrorStr, vbOKOnly, "Failed To Select")
            End Try
        End Sub
    Which I had added strings to each section. I got the error after many reboots. And you can see the error I get. Again, I cannot get it in the .NET studio. I am also having issue son that as well as I cannot test it in the studio as it conflicts with the application running on my current desktop. But thats another thread, lol
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