Add window message to a ListBox
Imports System Imports System.Windows.Forms public class MainClass Shared Sub Main() Dim form1 As Form = New Form1 Application.Run(form1) End Sub End Class Public Class Form1 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 listBox1 As System.Windows.Forms.ListBox Friend WithEvents button1 As System.Windows.Forms.Button '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. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.listBox1 = New System.Windows.Forms.ListBox() Me.button1 = New System.Windows.Forms.Button() Me.SuspendLayout() ' 'listBox1 ' Me.listBox1.Location = New System.Drawing.Point(8, 8) Me.listBox1.Name = "listBox1" Me.listBox1.Size = New System.Drawing.Size(272, 212) Me.listBox1.TabIndex = 0 ' 'button1 ' Me.button1.Location = New System.Drawing.Point(184, 232) Me.button1.Name = "button1" Me.button1.Size = New System.Drawing.Size(96, 32) Me.button1.TabIndex = 1 Me.button1.Text = "Clear" ' 'Form1 ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.button1, Me.listBox1}) Me.Name = "Form1" Me.Text = "Form1" Me.ResumeLayout(False) End Sub Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click listBox1().Items.Clear() End Sub Protected Overrides Sub wndproc(ByRef m As Message) Select Case m.Msg Case &H20, &H84 ' Ignore WM_SETCURSOR, WM_NCHITTEST ' Because there are so many of them Case Else listBox1().Items.Add(m.ToString) End Select MyBase.WndProc(m) End Sub #End Region End Class
1. | Handle more than one events | ||
2. | Form and Control Click Event | ||
3. | Log UI event |