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Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class MouseEnterLeave
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Private ButtonBackColor As Color = Color.LightGreen
Private Sub Button2_MouseEnter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.MouseEnter
ButtonBackColor = Color.Yellow
End Sub
Private Sub Button2_MouseLeave(ByVal sender As Object,ByVal e As System.EventArgs) Handles Button2.MouseLeave
ButtonBackColor = Color.Red
End Sub
Private Sub Button2_MouseDown(ByVal sender As Object,ByVal e As System.Windows.Forms.MouseEventArgs) Handles Button2.MouseDown
ButtonBackColor = Color.Green
End Sub
Private Sub Button2_MouseUp(ByVal sender As Object,ByVal e As System.Windows.Forms.MouseEventArgs) Handles Button2.MouseUp
ButtonBackColor = Color.LightGreen
Button2.Refresh()
End Sub
Private Sub Button2_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Button2.Paint
Dim canvas As Graphics = e.Graphics
canvas.Clear(ButtonBackColor)
Dim atomPen As Pen = New Pen(Color.Blue, 2)
Dim largerFont As Font = New Font(Me.Font.Name, 10)
e.Graphics.DrawString("This is a form", largerFont, Brushes.Black,0, 20)
End Sub
Private Sub Button2_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles Button2.Click
MsgBox("Button2 clicked!", MsgBoxStyle.Exclamation,"Painting on Controls")
End Sub
End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.Panel1 = New System.Windows.Forms.Panel
Me.Button2 = New System.Windows.Forms.Button
Me.SuspendLayout()
'
'Panel1
'
Me.Panel1.Location = New System.Drawing.Point(56, 32)
Me.Panel1.Name = "Panel1"
Me.Panel1.Size = New System.Drawing.Size(368, 40)
Me.Panel1.TabIndex = 0
'
'Button2
'
Me.Button2.Location = New System.Drawing.Point(272, 104)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(152, 152)
Me.Button2.TabIndex = 1
Me.Button2.Text = "Button2"
Me.Button2.UseVisualStyleBackColor = True
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(479, 284)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.Panel1)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Text = "Special Effects"
Me.ResumeLayout(False)
End Sub
Friend WithEvents Panel1 As System.Windows.Forms.Panel
Friend WithEvents Button2 As System.Windows.Forms.Button
End Class
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