Mega Code Archive
Get mouse over index by mouse location
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Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ListBoxMouseOverLocation
public Shared Sub Main
Application.Run(New 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
'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 ListBox1 As System.Windows.Forms.ListBox
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Label1 As System.Windows.Forms.Label
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ListBox1 = New System.Windows.Forms.ListBox()
Me.Button1 = New System.Windows.Forms.Button()
Me.TextBox1 = New System.Windows.Forms.TextBox()
Me.Label1 = New System.Windows.Forms.Label()
Me.SuspendLayout()
'
'ListBox1
'
Me.ListBox1.Items.AddRange(New Object() {"Item0", "Item1", "Item2"})
Me.ListBox1.Location = New System.Drawing.Point(8, 88)
Me.ListBox1.Name = "ListBox1"
Me.ListBox1.Size = New System.Drawing.Size(336, 134)
Me.ListBox1.TabIndex = 0
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(8, 232)
Me.Button1.Name = "Button1"
Me.Button1.TabIndex = 1
Me.Button1.Text = "Populate"
'
'TextBox1
'
Me.TextBox1.Location = New System.Drawing.Point(88, 232)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.ReadOnly = True
Me.TextBox1.Size = New System.Drawing.Size(256, 20)
Me.TextBox1.TabIndex = 2
Me.TextBox1.Text = ""
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(8, 264)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(336, 72)
Me.Label1.TabIndex = 3
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(352, 341)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label1, Me.TextBox1, Me.Button1, Me.ListBox1})
Me.Name = "Form1"
Me.Text = "Lab 5.3 HitTest"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub ListBox1_MouseMove(ByVal sender As Object, _
ByVal e As System.Windows.Forms.MouseEventArgs) _
Handles ListBox1.MouseMove
Dim G As System.Drawing.Graphics = Graphics.FromHwnd(Me.Handle)
Dim item As String
item = ListBox1.IndexFromPoint(New Point(e.X, e.Y))
If item >= 0 Then 'mouse is over an item
TextBox1.Text = "Hittest Index:" & item & " is a " & ListBox1.Items(item).GetType.ToString()
End If
End Sub
End Class
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