vbAccelerator - Contents of code file: ClipNotifierVB_frmClipboardChangeDemo.vb

Public Class frmClipboardChangeDemo
    Inherits System.Windows.Forms.Form

    Private WithEvents clipChange As
     vbAccelerator.Components.Win32.ClipboardChangeNotifier

#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

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

    '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.
    Friend WithEvents lblAvailableFormats As System.Windows.Forms.Label
    Friend WithEvents lstContents As System.Windows.Forms.ListBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New
         System.Resources.ResourceManager(GetType(frmClipboardChangeDemo))
        Me.lblAvailableFormats = New System.Windows.Forms.Label()
        Me.lstContents = New System.Windows.Forms.ListBox()
        Me.SuspendLayout()
        '
        'lblAvailableFormats
        '
        Me.lblAvailableFormats.Location = New System.Drawing.Point(8, 4)
        Me.lblAvailableFormats.Name = "lblAvailableFormats"
        Me.lblAvailableFormats.Size = New System.Drawing.Size(276, 20)
        Me.lblAvailableFormats.TabIndex = 3
        Me.lblAvailableFormats.Text = "Available Clipboard Formats:"
        '
        'lstContents
        '
        Me.lstContents.Location = New System.Drawing.Point(8, 28)
        Me.lstContents.Name = "lstContents"
        Me.lstContents.Size = New System.Drawing.Size(276, 225)
        Me.lstContents.TabIndex = 2
        '
        'frmClipboardChangeDemo
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.AddRange(New System.Windows.Forms.Control()
         {Me.lblAvailableFormats, Me.lstContents})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!,
         System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point,
         CType(0, Byte))
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.Name = "frmClipboardChangeDemo"
        Me.Text = "vbAccelerator Clipboard Change Notification"
        Me.ResumeLayout(False)

    End Sub

#End Region


    ' * This is a way of ensuring that you're always installed
    ' * even when the handle changes.
    'protected overloads sub OnHandleCreated(byval EventArgs e)
    '    MyBase.OnHandleCreated(e)
    '    If Not (clipChange Is Nothing) Then
    '        clipChange.AssignHandle(Handle)
    '        clipChange.Install()
    '    End If
    'End Sub

    Private Sub showFormats()
        lstContents.Items.Clear()
        lstContents.Items.Add("Clipboard Changed at " + DateTime.Now)
        Dim dto As IDataObject = Clipboard.GetDataObject()
        Dim fmt As String
        For Each fmt In dto.GetFormats()
            lstContents.Items.Add(fmt)
        Next
    End Sub


    Private Sub frmClipboardChangeDemo_Load(ByVal sender As Object, ByVal e As
     System.EventArgs) Handles MyBase.Load
        clipChange = New
         vbAccelerator.Components.Win32.ClipboardChangeNotifier()
        clipChange.AssignHandle(Handle)
        clipChange.Install()
    End Sub

    Private Sub clipChange_ClipboardChanged(ByVal sender As Object, ByVal e As
     System.EventArgs) Handles clipChange.ClipboardChanged
        Application.DoEvents()
        showFormats()
    End Sub

End Class