Form mouse event: Mouse Enter, Mouse Down, Mouse Hover, Mouse, Move, Mouse Up, Mouse Wheel, Mouse Leave : Form Action Event « GUI « VB.Net Tutorial






Form mouse event: Mouse Enter, Mouse Down, Mouse Hover, Mouse, Move, Mouse Up, Mouse Wheel, Mouse Leave
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class FormMouseEvent
   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 TextBox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(16, 48)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(256, 20)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.Add(Me.TextBox1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Sub Form1_MouseEnter(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles MyBase.MouseEnter
        TextBox1.Text = "The mouse entered the client area."
    End Sub

    Private Sub Form1_MouseDown(ByVal sender As Object, _
    ByVal e As System.Windows.Forms.MouseEventArgs) _
    Handles MyBase.MouseDown
        If e.Button = MouseButtons.Left Then
            TextBox1.Text = "The left mouse button is down at (" & CStr(e.X) & ", " & CStr(e.Y) & ")"
        End If
    End Sub

    Private Sub Form1_MouseHover(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles MyBase.MouseHover
        TextBox1.Text = "The mouse is hovering."
    End Sub

    Private Sub Form1_MouseMove(ByVal sender As Object, _
        ByVal e As System.Windows.Forms.MouseEventArgs) _
        Handles MyBase.MouseMove
        TextBox1.Text = "The mouse moved to: (" & CStr(e.X) & ", " & CStr(e.Y) & ")"
    End Sub

    Private Sub Form1_MouseUp(ByVal sender As Object, _
        ByVal e As System.Windows.Forms.MouseEventArgs) _
        Handles MyBase.MouseUp
        If e.Button = MouseButtons.Left Then
            TextBox1.Text = "The left mouse button went up at (" & CStr(e.X) & ", " & CStr(e.Y) & ")"
        End If
    End Sub

    Private Sub Form1_MouseWheel(ByVal sender As Object, _
        ByVal e As System.Windows.Forms.MouseEventArgs) _
        Handles MyBase.MouseWheel
        TextBox1.Text = "The mouse wheel rotated " & CStr(e.Delta) & " detents"
    End Sub

    Private Sub Form1_MouseLeave(ByVal sender As Object, _
    ByVal e As System.EventArgs) Handles MyBase.MouseLeave
        TextBox1.Text = "The mouse left the client area."
    End Sub
End Class








14.50.Form Action Event
14.50.1.Message FilterMessage Filter
14.50.2.Show Form MessageShow Form Message
14.50.3.Form Events IllustrationForm Events Illustration
14.50.4.Form Resize: fixed ratioForm Resize: fixed ratio
14.50.5.Add Key event to Form windowAdd Key event to Form window
14.50.6.Close a FormClose a Form
14.50.7.Form mouse event: Mouse Enter, Mouse Down, Mouse Hover, Mouse, Move, Mouse Up, Mouse Wheel, Mouse LeaveForm mouse event: Mouse Enter, Mouse Down, Mouse Hover, Mouse, Move, Mouse Up, Mouse Wheel, Mouse Leave
14.50.8.Convert Mouse event to form caption drag and drop eventConvert Mouse event to form caption drag and drop event
14.50.9.Form Layout eventForm Layout event
14.50.10.Overrides OnNotifyMessage method
14.50.11.Form resize eventForm resize event