纯代码绘制漂亮特效动画按钮
Imports System.ComponentModel
<DefaultEvent("Click")> _
Public Class DSButton
Private _ButtonColor As Color = Color.White
Private SF As New System.Drawing.StringFormat
Private _Text As String
<DefaultValue(True)>
Public Property ButtonColor As Color
Get
Return _ButtonColor
End Get
Set(ByVal value As Color)
_ButtonColor = value
MakeRoundedRect(RoundRectValue, Me, Color.FromArgb(255, ButtonColor.R / 255 * 50, ButtonColor.G / 255 * 50, ButtonColor.B / 255 * 50))
End Set
End Property
Public Property RoundRectValue As Integer = 10
Private nIndex As Integer = 0
Private IsMouseEnter As Boolean = False
Public Property IsShowAnimate As Boolean = False
Public Property ButtonText As String
Get
Return _Text
End Get
Set(ByVal value As String)
_Text = value
MakeRoundedRect(RoundRectValue, Me, Color.FromArgb(255, ButtonColor.R / 255 * 50, ButtonColor.G / 255 * 50, ButtonColor.B / 255 * 50))
End Set
End Property
Private _TextColor As Color = Color.White
Public Property TextColor As Color
Get
Return _TextColor
End Get
Set(ByVal value As Color)
_TextColor = value
MakeRoundedRect(RoundRectValue, Me, Color.FromArgb(255, ButtonColor.R / 255 * 50, ButtonColor.G / 255 * 50, ButtonColor.B / 255 * 50))
End Set
End Property
Private Sub DSButton_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
SetStyle(ControlStyles.UserPaint, True)
SetStyle(ControlStyles.AllPaintingInWmPaint, True)
SetStyle(ControlStyles.ResizeRedraw, True)
SetStyle(ControlStyles.Selectable, True)
SF.LineAlignment = StringAlignment.Center
SF.Alignment = StringAlignment.Center
MakeRoundedRect(RoundRectValue, Me, Color.FromArgb(255, ButtonColor.R / 255 * 50, ButtonColor.G / 255 * 50, ButtonColor.B / 255 * 50))
End Sub
Private Sub MakeRoundedRect(ByVal Rounded As Integer, ByVal Ct As Control, ByVal ButtonColor As Color)
If Ct.BackgroundImage IsNot Nothing Then Ct.BackgroundImage.Dispose()
Ct.BackgroundImage = New Bitmap(Ct.Width, Ct.Height)
Dim WW, HH As Integer
WW = Ct.Width - 1
HH = Ct.Height - 1
Using G As Graphics = Graphics.FromImage(Ct.BackgroundImage)
G.SmoothingMode = Drawing2D.SmoothingMode.AntiAlias
G.TextRenderingHint = Drawing.Text.TextRenderingHint.ClearTypeGridFit
Using Gp As New Drawing2D.GraphicsPath
Gp.AddArc(New Rectangle(0, 0, Rounded, Rounded), 180, 90)
Gp.AddArc(New Rectangle(WW - Rounded, 0, Rounded, Rounded), -90, 90)
Gp.AddArc(New Rectangle(WW - Rounded, HH - Rounded, Rounded, Rounded), 0, 90)
Gp.AddArc(New Rectangle(0, HH - Rounded, Rounded, Rounded), 90, 90)
Gp.AddLine(New Point(0, HH - Rounded), New Point(0, Rounded / 2))
Using Lg As New Drawing2D.LinearGradientBrush(New Point(0, 0), New Point(0, HH), ControlPaint.Dark(ButtonColor, 0.5), ButtonColor)
G.FillPath(Lg, Gp)
G.DrawPath(Pens.Black, Gp)
End Using
End Using
WW = WW - 3
HH = HH - 3
Using Gp As New Drawing2D.GraphicsPath
Gp.AddArc(New Rectangle(3, 3, Rounded, Rounded), 180, 90)
Gp.AddArc(New Rectangle(WW - Rounded, 3, Rounded, Rounded), -90, 90)
Gp.AddArc(New Rectangle(WW - Rounded, HH / 2 - Rounded - 1, Rounded, Rounded), 0, 90)
Gp.AddArc(New Rectangle(3, HH / 2 - Rounded - 1, Rounded, Rounded), 90, 90)
Using Lg As New Drawing2D.LinearGradientBrush(New Point(0, 0), New Point(0, HH / 2), Color.FromArgb(220, 255, 255, 255), Color.FromArgb(50, 255, 255, 255))
G.FillPath(Lg, Gp)
End Using
End Using
Using Gp As New Drawing2D.GraphicsPath
Gp.AddEllipse(New Rectangle(3, HH / 2 + 10, WW, HH / 2))
Using Lg As New Drawing2D.PathGradientBrush(Gp)
Lg.CenterColor = Color.FromArgb(150, 255, 255, 255)
Lg.SurroundColors = New Color() {Color.Transparent}
Gp.FillMode = Drawing2D.FillMode.Winding
G.FillPath(Lg, Gp)
End Using
End Using
Try
If _Text.Length <> 0 Then G.DrawString(_Text, Me.Font, New SolidBrush(TextColor), New Rectangle(0, 0, Me.Width, Me.Height), SF)
Catch
End Try
End Using
End Sub
Private Sub DSButton_MouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseClick
End Sub
Private Sub DSButton_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseDown
If e.Button = MouseButtons.Left Then
MakeRoundedRect(RoundRectValue, Me, Color.Black)
End If
End Sub
Private Sub DSButton_MouseEnter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.MouseEnter
If DesignMode = False Then
IsMouseEnter = True
Timer1.Enabled = True
End If
End Sub
Private Sub DSButton_MouseLeave(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.MouseLeave
If DesignMode = False Then
IsMouseEnter = False
Timer1.Enabled = True
End If
End Sub
Private Sub DSButton_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseUp
MakeRoundedRect(RoundRectValue, Me, _ButtonColor)
End Sub
Private Sub DSButton_SizeChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.SizeChanged
If Me.IsHandleCreated Then
MakeRoundedRect(RoundRectValue, Me, ButtonColor)
End If
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Select Case IsMouseEnter
Case True
If IsShowAnimate = True Then
nIndex = IIf(nIndex + 30 >= 225, 255, nIndex + 30)
If nIndex >= 255 Then Timer1.Enabled = False
Else
nIndex = 255
Timer1.Enabled = False
End If
Case False
nIndex = IIf(nIndex - 20 <= 50, 50, nIndex - 20)
If nIndex <= 50 Then Timer1.Enabled = False
End Select
Try
MakeRoundedRect(RoundRectValue, Me, Color.FromArgb(255, ButtonColor.R / 255 * nIndex, ButtonColor.G / 255 * nIndex, ButtonColor.B / 255 * nIndex))
Catch
End Try
End Sub
End Class
