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  • vb教程之制作VB另类按钮

  • 2017-09-09 20:20 来源:未知
 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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