vb教程之制作VB另类按钮

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vb教程之制作VB另类按钮

　如果你看腻了VB的中规中矩的按钮，有时想改变一下的话，本文或许对你有所启发。以下二例用Line方法结合其它手段，在窗体上绘制出别具一格的“按钮”，呵呵，还是有那么一点儿新意的(怎么象是吹牛？)。建议在不需要太多的按钮的窗体中使用。

例一：用Line方法制作初始时为平面、鼠标移到时突出的按钮，此类按钮其实更象是第一层菜单，可为之通过Form_MouseDown或者Form_MouseUp编写类似于Click的事件。当然了，用标签+线条或者+ImageBox来实现更简单些。

Private Sub Form_Load()

Me.AutoRedraw = True
CurrentX = 280: CurrentY = 150
Me.Print "Exit"
Me.Caption = "请将鼠标移近文字观察效果"
End Sub

Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then
If X <= 900 And X >= 100 And Y <= 500 And Y >= 100 Then
End
End If
End If
End Sub

Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)

If X <= 900 And X >= 100 And Y <= 500 And Y >= 100 Then
Me.Caption = "左键单击按钮退出程序"
Line (100, 100)-(100, 400), vbWhite
Line (100, 100)-(800, 100), vbWhite
Line (100, 400)-(800, 400), vbBlack
Line (800, 100)-(800, 425), vbBlack '多出25是为了让右下角更封闭
Me.ForeColor = vbBlue
CurrentX = 280: CurrentY = 150
Me.Print "Exit"
Else
Me.Cls
CurrentX = 280: CurrentY = 150
Me.ForeColor = vbBlack
Me.Print "Exit"
Me.Caption = "请将鼠标移近文字观察效果"
End If

End Sub

例二：用Line方法结合PictureBox(作按钮容器用)制作有立体感的按钮，很Cool哟。要试用本例，请在窗体上缺省绘制一个1000*700的PictureBox控件。

Private Sub Form_Load()

Dim k As Integer
Picture1.AutoRedraw = True
Me.AutoRedraw = True

'绘制出灰度的效果
For k = 0 To 20
Rect Picture1, 5 * k, 5 * k, Picture1.ScaleWidth - 10 * k, Picture1.ScaleHeight - 10 * k, RGB(255 - 5 * k, 255 - 5 * k, 255 - 5 * k)
Next k

Picture1.CurrentX = 250: Picture1.CurrentY = 250
Picture1.Print "Hello"

End Sub

'绘制矩形
Sub Rect(obj As Object, X As Integer, Y As Integer, iW As Integer, iH As Integer, iC As Long)
obj.Line (X, Y)-(X + iW, Y), iC
obj.Line -Step(0, iH), iC
obj.Line -Step(-iW, 0), iC
obj.Line -Step(0, -iH), iC
End Sub

'鼠标在窗体移动时按钮保持灰度的原貌
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
For k = 0 To 20
Rect Picture1, 5 * k, 5 * k, Picture1.ScaleWidth - 10 * k, Picture1.ScaleHeight - 10 * k, RGB(255 - 5 * k, 255 - 5 * k, 255 - 5 * k)
Picture1.ForeColor = vbBlack
Picture1.CurrentX = 250: Picture1.CurrentY = 250
Picture1.FontBold = False
Picture1.Print "Hello"
Next k
End Sub

'鼠标移动到图片框时按钮形状发生变化:底色为深色，按钮周边带色彩边框，文字变色
Private Sub Picture1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Dim k As Integer
For k = 0 To 20
Rect Picture1, 5 * k, 5 * k, Picture1.ScaleWidth - 10 * k, Picture1.ScaleHeight - 10 * k, RGB(8 * k, 12 * k, 8 * k)
Picture1.ForeColor = vbRed
Picture1.CurrentX = 250: Picture1.CurrentY = 250
Picture1.Print "Hello"
Next
End Sub

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