testform.vb

Mastering VBNet Include Source Code

Option Strict On
Public Class TestForm
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

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

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(8, 8)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(224, 40)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Scan Folder C:\Program Files"
        '
        'TextBox1
        '
        Me.TextBox1.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.TextBox1.Location = New System.Drawing.Point(8, 88)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(224, 96)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(8, 64)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(224, 16)
        Me.Label1.TabIndex = 2
        '
        'TestForm
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(240, 189)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label1, Me.TextBox1, Me.Button1})
        Me.Name = "TestForm"
        Me.Text = "Directory Scanner"
        Me.ResumeLayout(False)

    End Sub

#End Region


    Dim WithEvents objDirScanner As DirScanner

    Private Sub objDirScanner_ScanProgress(ByVal foldersScanned As Integer) Handles objDirScanner.ScanProgress
        Label1.Text = "Scanned " & foldersScanned.ToString & " folders so far"
        Application.DoEvents()
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim folder As String
        objDirScanner = New DirScanner()

        folder = "C:\Program Files"
        ' Uncomment the following statement to test the ScanTimerFolder method
        ' and comment out the last line
        ' TextBox1.AppendText("The files in Program_Files occupy" & objDirScanner.ScanTimerFolder(folder).ToString("#,###") & " bytes on the drive")
        TextBox1.AppendText("The files in Program_Files occupy " & objDirScanner.ScanFolder(folder).ToString("#,###") & " bytes on the drive")
    End Sub

    Private Sub objDirScanner_ScanTimerProgress(ByVal foldersScanned As Integer, ByRef cancel As Boolean) Handles objDirScanner.ScanTimerProgress
        Label1.Text = "Scanned " & foldersScanned.ToString & " folders so far"
        Application.DoEvents()
        If foldersScanned > 1000 Then
            Beep()
            cancel = True
        End If
    End Sub
End Class