Visual Basic

Public Sub TestFolderSelection()

'Create a new folderbrowser dialog and set the default description and start path if required, then show the dialog
Dim FBD As New FolderBrowserDialog
FBD.Description = "Select a Folder;"
FBD.RootFolder = Environment.SpecialFolder.MyDocuments

'The response will hold which button the user clicked on the dialog
Dim Response As DialogResult = FBD.ShowDialog

'Check the user clicked ok and not cancel
If Response = DialogResult.OK Then
    'Grab the path string from the dialog
    textbox1.text = FBD.SelectedPath
End If

End Sub

''' <summary>
''' Performs some test.
''' </summary>
''' <param name="value">Input value</param>
''' <remarks></remarks>
Public Sub test(ByVal value As Long)
    ...
End Sub

Public Class InsuranceItems
    Inherits List(Of InsuranceItem)

    Public Function GetAdvisories() As List(Of Advisory)
        'Do stuff and return list
    End Function
End Class

Dalek Dave wrote:

is there an easier way?

Public Class FileSearch
'Creared by Aslam Iqbal, +8801191206720
'Aslam***@yahoo.com
    Inherits System.Collections.Generic.List(Of String)

#Region "-----------------------------------------------------Events"
    Public Event NewFileList(ByVal Sender As Object, ByVal e As FSrcEventArgs)
    Public Event CurrentFolder(ByVal Sender As Object, ByVal e As FSrcEventArgs)
    Public Event CurrentEvent(ByVal Sender As Object, ByVal e As FSrcEventArgs)
#End Region

#Region "--------------------------------------------Public Variables"
    Public AddOnObj As Object, Info As String = "", FolderCount As Long, StopSearching As Boolean, FolderList As New List(Of String)
    Public Shared ExcludeFolder As String = "Unwanted Programs", ExcludeSignFile As String = "\info.inf", ExcludeSign As String = "simpledata"
#End Region

#Region "-------------------------------------------Local Variables"
    Dim e As New FSrcEventArgs
    Private G_FileTypes() As String
    'Make a folder which not to search
    Private Parent As System.Windows.Forms.Control
#End Region

  
    Sub Reset()
        e = New FSrcEventArgs
        Me.Clear()
        StopSearching = False
        G_FileTypes = Nothing
        FolderCount = 0
        AddOnObj = Nothing
        Info = ""
    End Sub

#Region "--------------------------------------------FSrcEventArgs Class"
    Public Class FSrcEventArgs
        Inherits System.EventArgs
        Friend Enum EventTypes
            None = 0
            Dirs = 1
            Files = 2
            Informations = 3
        End Enum

        Public Directory As String = ""
        Public CurrentList As New List(Of String)
        Public Completed As Boolean = False
        Public StopSearching As Boolean = False
        Public FileCount As Integer = 0
        Public DirCount As Integer = 0
        Public Info As String = ""
        ''' <summary>
        ''' Exclude_This_Folder and it's sub folders
        ''' </summary>
        ''' <remarks></remarks>
        Public Exclude_This_Folder As Boolean
        Friend EventType As EventTypes = EventTypes.None

        Friend Sub CopyArgs(ByVal Directory As String, _
                            ByVal CurrentList As List(Of String), _
                            ByVal Completed As Boolean, _
                            ByVal StopSearching As Boolean, _
                            ByVal FileCount As Integer, _
                            ByVal DirCount As Integer, _
                            ByVal Info As String, _
                            ByVal EventType As EventTypes, ByVal Exclude_This_Folder As String)
            With Me
                .Directory = Directory
                .CurrentList = CurrentList
                .Completed = Completed
                .StopSearching = StopSearching
                .FileCount = FileCount
                .DirCount = DirCount
                .Info = Info
                .EventType = EventType
            End With
        End Sub
    End Class
#End Region
    ''' <summary>
    ''' 
    ''' </summary>
    ''' <param name="InFolder"></param>
    ''' <param name="FileTypes">use comma (,) without Space for delimiter</param>
    ''' <param name="contains"></param>
    ''' <remarks></remarks>
    Sub GetAllFiles(ByVal InFolder As String, Optional ByVal FileTypes As String = "*.*", Optional ByVal contains As String = "") ' As System.Collections.Generic.IEnumerable(Of String)
        e.Directory = InFolder
        FolderList.Add(InFolder)
        e.CopyArgs(InFolder, Me, e.Completed, StopSearching, Me.Count, FolderCount, "Searching Completed", FSrcEventArgs.EventTypes.Dirs, False)
        Dim DG As New DLG_SrcInfo_all(AddressOf SUB_SrcInfo_all)
        Try
            Me.Parent.Invoke(DG, Me, e)
        Catch ex As Exception
        End Try

        FindInFolder(InFolder, FileTypes, contains)

        e.Completed = True
        e.CopyArgs(InFolder, Me, e.Completed, StopSearching, Me.Count, FolderCount, "Searching Completed. Total Files: " & Me.Count, FSrcEventArgs.EventTypes.Informations, False)

        Try
            Me.Parent.Invoke(DG, Me, e)
        Catch ex As Exception
        End Try
     End Sub
    ''' <summary>
    ''' Join after ToArray
    ''' </summary>
    ''' <param name="Delimiter"></param>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Shadows Function ToString(ByVal Delimiter As String) As String
        Me.ToArray()
        Return Microsoft.VisualBasic.Strings.Join(Me.ToArray, Delimiter)
    End Function
    ''' <summary>
    ''' use GetAllFiles insted of this Function
    ''' </summary>
    ''' <param name="InFolder"></param>
    ''' <param name="FileTypes">use comma (,) without Space for delimiter</param>
    ''' <param name="contains"></param>
    ''' <returns>A list Containing files name</returns>
    ''' <remarks></remarks>
    Function FindInFolder(ByVal InFolder As String, Optional ByVal FileTypes As String = "*.*", Optional ByVal contains As String = "") As System.Collections.Generic.IEnumerable(Of String)
        Dim xx = InFolder
        If IsNothing(G_FileTypes) Then
            G_FileTypes = FileTypes.Split(New [Char]() {","c})
        End If
        'ExcludeFolder only for PDVH
        Try
            Dim ps As Integer = InStr(InFolder, ExcludeFolder, CompareMethod.Text)
            If ps > 0 Then
                Dim FD As String = My.Computer.FileSystem.ReadAllText(InFolder & ExcludeSignFile)
                If FD.Length = ExcludeSign.Length Then
                    Return Me
                End If
            End If
        Catch ex As Exception

        End Try
        'exclude end
        Dim DG As New DLG_SrcInfo_all(AddressOf SUB_SrcInfo_all)

        Try
            Me.AddRange(FindFiles(InFolder, FileTypes, contains))
        Catch ex As Exception
            Return Me
        End Try
        FolderCount += 1
        e.CopyArgs(InFolder, e.CurrentList, e.Completed, StopSearching, Me.Count, FolderCount, "Searching for folders in '" & InFolder & "'", FSrcEventArgs.EventTypes.Informations, False)
        Try
             Me.Parent.Invoke(DG, Me, e)
        Catch ex As Exception
        End Try

        For Each Directory As String In My.Computer.FileSystem.GetDirectories(InFolder, FileIO.SearchOption.SearchTopLevelOnly)
            If StopSearching Then
                e.CopyArgs(Directory, e.CurrentList, e.Completed, StopSearching, Me.Count, FolderCount, "Searching Stopped", FSrcEventArgs.EventTypes.Informations, False)
                If Not IsNothing(Parent) Then
                    Me.Parent.Invoke(DG, Me, e)
                End If
                Return Nothing
            End If

            e.CopyArgs(Directory, e.CurrentList, e.Completed, StopSearching, Me.Count, FolderCount, "Searching for folders in '" & InFolder & "'", FSrcEventArgs.EventTypes.Dirs, False)
            If Not IsNothing(Parent) Then
                If Parent.Disposing Then
                    'Stop
                Else
                    Me.Parent.Invoke(DG, Me, e)
                End If

            End If
            If e.Exclude_This_Folder Then
                e.Exclude_This_Folder = False
                Continue For
            Else
                FolderList.Add(Directory)
            End If
            Try
                FindInFolder(Directory, FileTypes, contains)
            Catch ex As Exception
                'Access to the path 'h:\System Volume Information' is denied.
                xx = ex.ToString()
                Continue For
            End Try
        Next
        Return Me
    End Function
    '''''''''''''''''''
#Region " --------------------------------------------  Delegates"
    Private Delegate Sub DLG_SrcInfo_all(ByVal Sender As Object, ByVal e As FSrcEventArgs)

    Private Sub SUB_SrcInfo_all(ByVal Sender As Object, ByVal e As FSrcEventArgs)
        If StopSearching = True Then
            Return
        End If
        Select Case e.EventType
            Case FSrcEventArgs.EventTypes.Dirs
                RaiseEvent CurrentFolder(Sender, e)
            Case FSrcEventArgs.EventTypes.Files
                RaiseEvent NewFileList(Sender, e)
            Case FSrcEventArgs.EventTypes.Informations
                RaiseEvent CurrentEvent(Sender, e)
        End Select
    End Sub
#End Region

    '''''''''''''''''''''''
    ''' <summary>
    ''' Call this function from backgroundworker_DoWork
    ''' </summary>
    ''' <param name="InFolder"></param>
    ''' <param name="FileTypes">use comma (,) for delimiter</param>
    ''' <param name="contains"></param>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Function FindFiles(ByVal InFolder As String, Optional ByVal FileTypes As String = "*.*", Optional ByVal contains As String = "") As System.Collections.Generic.IEnumerable(Of String)
        On Error GoTo Errr
        If StopSearching Then
            Return Nothing
        End If
        Dim la As ArrayList

        If IsNothing(G_FileTypes) Then
            G_FileTypes = FileTypes.Split(New [Char]() {","c})
        End If
        Dim lResult As New List(Of String)
        Dim DG As New DLG_SrcInfo_all(AddressOf SUB_SrcInfo_all)

        e.CopyArgs(InFolder, e.CurrentList, e.Completed, StopSearching, Me.Count, FolderCount, "Searching for files in '" & InFolder & "'", FSrcEventArgs.EventTypes.Informations, False)
        On Error Resume Next
        'RaiseEvent CurrentEvent(Me, e) ''''''''''''''''''''''''''''''''''''''''''''''''''
        Me.Parent.Invoke(DG, Me, e)
        On Error GoTo Errr

        lResult.AddRange(My.Computer.FileSystem.FindInFiles(InFolder, _
            contains, False, FileIO.SearchOption.SearchTopLevelOnly, _
            G_FileTypes))

        If lResult.Count > 0 Then
            e.CurrentList = lResult
            e.CopyArgs(InFolder, lResult, e.Completed, StopSearching, Me.Count, FolderCount, "Search Completed at folder '" & InFolder & "'", FSrcEventArgs.EventTypes.Files, False)
            On Error Resume Next
            'RaiseEvent NewFileList(Me, e) ''''''''''''''''''''''''''''''''''''''''''''''''''''
            Me.Parent.Invoke(DG, Me, e)
            'Dim xc As New System.Action(Of DLG_SrcInfo_all)(AddressOf SUB_SrcInfo_all)
            'xc.Invoke(AddressOf SUB_SrcInfo_all)
            'Dim rr As regex
            On Error GoTo Errr
        End If
        If IsNothing(AddOnObj) Then
            ' Return My.Computer.FileSystem.FindInFiles(InFolder, _
            '   contains, False, FileIO.SearchOption.SearchTopLevelOnly, _
            '   G_FileTypes)
            'Return lResult
        Else
            AddOnObj.AddRange(lResult.ToArray)
        End If
        Return lResult
Errr:
        'Dim el As New Generic.List(Of String)
        'Return el

        Return Nothing
    End Function

    Public Sub New()

    End Sub
    Public Sub New(ByVal Parent As System.Windows.Forms.Control)
        'Is there any alternative without passing Parent Form to Invoke that's Thread?
        Me.Parent = Parent
    End Sub
End Class

Public Class Form1
    'it's a testing app of system_tools Project
    'A lot of bugs herere fore testing
    Dim WithEvents FF As New System_Tools.Task_Explorer
    Dim WithEvents CC As System_Tools.HOOK_REMOVABLE_DEVICE
    Dim di As New System_Tools.HOOK_REMOVABLE_DEVICE.DrivesInfo
    Dim WithEvents FS As System_Tools.FileSearch

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        BackgroundWorker1.RunWorkerAsync(Me.ComboBox1.Text)
    End Sub

    Private Sub BackgroundWorker1_DoWork(ByVal sender As System.Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork
        FS = New System_Tools.FileSearch(Me)
        Dim xx As List(Of String)
        FS.GetAllFiles(e.Argument.ToString)
        'Me.Text = xx.Count
    End Sub

    Private Sub FS_CurrentEvent(ByVal Sender As Object, ByVal e As System_Tools.FileSearch.FSrcEventArgs) Handles FS.CurrentEvent
        Dim xx
        Me.Text = e.Info
        If e.Completed Then
            Beep()
            xx = EvList
            xx = RefList
            Me.Text = e.Info & " " & Sender.count
        End If
    End Sub

    Private Sub FS_CurrentFolder(ByVal Sender As Object, ByVal e As System_Tools.FileSearch.FSrcEventArgs) Handles FS.CurrentFolder
        Dim xx
        Me.Text = e.Info
        If e.Completed Then
            Beep()
            xx = EvList
            xx = RefList
        End If
    End Sub

    Private Sub FS_NewFileList(ByVal Sender As Object, ByVal e As System_Tools.FileSearch.FSrcEventArgs) Handles FS.NewFileList
        EvList.AddRange(e.CurrentList)
        Dim xx
        Me.Text = e.Info
        If e.Completed Then
            Beep()
            xx = EvList
            xx = RefList
        End If
        TextBox1.Text = Join(e.CurrentList.ToArray, vbNewLine)
    End Sub

    Dim EvList, RefList As New List(Of String)




    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        'FF.ShowDialog()
        'CC = New System_Tools.HOOK_REMOVABLE_DEVICE
        ComboBox1.Items.Add("C:\")
        ComboBox1.Items.Add("d:\")
        ComboBox1.Items.Add("e:\")
        ComboBox1.Items.Add("f:\")
        ComboBox1.Items.Add("g:\")
        ComboBox1.Items.Add("h:\")
        ComboBox1.Items.Add("i:\")
        ComboBox1.Items.Add("j:\")
        ComboBox1.Items.Add("k:\")
        ComboBox1.Text = "C:\"
        Debug.WriteLine("Leaving ExpTree ShDragDrop")
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim xx
        'xx = di.Last_Added_Drives
        CC.autocheck1time()
    End Sub
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim xx
        'xx = di.Last_Removed_Drives
    End Sub

    Private Sub FF_Task_Explorer_Terminated() Handles FF.Task_Explorer_Terminated
        'End
        FF.Dispose()

    End Sub

    Private Sub CC_REMOVABLE_DEVICE(ByVal Sender As Object, ByVal e As System_Tools.HOOK_REMOVABLE_DEVICE.HookEventArgs) Handles CC.REMOVABLE_DEVICE
        Dim addrem As String = ""
        If e.REMOVABLE_DEVICE_INFO = System_Tools.HOOK_REMOVABLE_DEVICE.HookEventArgs.REMOVABLE_DEVICE.INSERTED Then
            addrem = "Added: " & e.DriveInfo.Name & "-" & e.DriveInfo.VolumeLabel & vbNewLine
        ElseIf e.REMOVABLE_DEVICE_INFO = System_Tools.HOOK_REMOVABLE_DEVICE.HookEventArgs.REMOVABLE_DEVICE.REMOVED Then
            addrem = "Removed: " & e.DriveInfo.Name & vbNewLine
        End If
        Me.Text = e.REMOVABLE_DEVICE_INFO
        TextBox1.AppendText(addrem)
    End Sub


    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        Me.Text = System_Tools.FileAccess.FileLenStr("H:\PLangs.iso")
    End Sub
End Class