Imports System.Drawing

Imports System.ComponentModel

Public Class winxpbutton

    Inherits System.Windows.Forms.Button

    Private my_mouseDown As Boolean = False '鼠标按下

    Private my_mouseHover As Boolean = False '鼠标移到上面

    Private m_textcolor As Color = System.Drawing.Color.Black '字体颜色

    <Description("字体颜色。")> _

    Public Property textcolor() As Color

        Get

            Return m_textcolor

        End Get

        Set(ByVal Value As Color)

            m_textcolor = Value

            Me.Invalidate()

        End Set

    End Property

    Public Sub New()

        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。

        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化,true表示将指定的样式应用到控件

        '设置控件样式位能够充分地更改控件行为

        Me.SetStyle(ControlStyles.UserPaint, True)

        '关联事件委托

        AddHandler Me.MouseDown, AddressOf my_OnMouseDown

        AddHandler Me.MouseUp, AddressOf my_OnMouseUp

        AddHandler Me.MouseEnter, AddressOf my_OnMouseEnter

        AddHandler Me.MouseLeave, AddressOf my_OnMouseLeave

        Height = 23        

Width = 75

    End Sub

    Protected Overrides Sub OnPaint(ByVal pevent As System.Windows.Forms.PaintEventArgs)

        'pevent.ClipRectangle指在其中绘制的矩形,即使用父控件的背景色来画这个矩形按钮

        pevent.Graphics.FillRectangle(New SolidBrush(Me.Parent.BackColor), pevent.ClipRectangle)

        If (Enabled = False) Then

            '画不可用状态

            DrawDisableButton(pevent.Graphics)

        ElseIf (my_mouseDown) Then '画鼠标按下状态

            DrawMouseDownButton(pevent.Graphics)

        ElseIf (my_mouseHover) Then '画鼠标移动到其上状态

            DrawMouseHoverButton(pevent.Graphics)

        ElseIf (Focused) Then '有焦点，但鼠标未移动到其上

            DrawContainFocusButton(pevent.Graphics)