[vbnet]

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أتوقع أن هذا الكود هو مطلوبك - إظهار نتائج البحث بشكل استعراضي

كود :

Public Class Form1

    ' تعريفات
    Dim th As Threading.Thread
    Dim fb As New FolderBrowserDialog
    Dim sPath As String

    ' إعدادت
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        CheckForIllegalCrossThreadCalls = False
        Me.TextBox1.Enabled = False
    End Sub

    ' تحديد المسار
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If fb.ShowDialog = Windows.Forms.DialogResult.OK Then
            sPath = fb.SelectedPath
            Me.TextBox1.Text = fb.SelectedPath
            Me.Button2.Enabled = True
        End If
    End Sub

    ' بدء البحث
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        If sPath.Trim <> "" Then
            Me.ProgressBar1.Value = 0
            Me.Button1.Enabled = False
            Me.Button2.Enabled = False
            th = New Threading.Thread(AddressOf thTask)
            th.IsBackground = True
            th.Start()
        End If
    End Sub

    ' عملية البحث
    Private Sub thTask()
        ListBox1.Items.Clear()
        Dim files() As String = IO.Directory.GetFiles(sPath, "*.*", IO.SearchOption.AllDirectories)
        Me.ProgressBar1.Maximum = files.Count
        For Each filename As String In files
            Me.ListBox1.Items.Add(filename)
            Me.ListBox1.SelectedIndex = Me.ListBox1.Items.Count - 1
            Me.Label1.Text = filename
            Me.ProgressBar1.Increment(1)
            'Threading.Thread.Sleep(10)' لإبطاء سرعة الاستعراض عند الحاجة
        Next
        Me.Label1.Text = ""
        Me.Button1.Enabled = True
     End Sub

End Class

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