設(shè)置Region屬性:
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Dim path As New System.Drawing.Drawing2D.GraphicsPath
path.AddEllipse(0, 0, 400, 300)
Region = New Region(path)
VB.net
示例:
1.
窗體設(shè)置
邊框模式
2.代碼
Declare
Function
CreateRoundRectRgn
Lib
"gdi32"
Alias
"CreateRoundRectRgn"
(ByVal
X1
As
Int32,
ByVal
Y1
As
Int32,
ByVal
X2
As
Int32,
ByVal
Y2
As
Int32,
ByVal
X3
As
Int32,
ByVal
Y3
As
Int32)
As
Int32
Declare
Function
SetWindowRgn
Lib
"user32"
Alias
"SetWindowRgn"
(ByVal
hWnd
As
Int32,
ByVal
hRgn
As
Int32,
ByVal
bRedraw
As
Boolean)
As
Int32
‘GDI重繪API
Private
Sub
Form1_Load(ByVal
sender
As
Object,
ByVal
e
As
System.EventArgs)
Handles
MyBase.Load
Dim
r
As
Integer
=
CreateRoundRectRgn(0,
0,
Me.Width,
Me.Height,
20,
20)
'CreateRoundRectRgn參數(shù)([窗體左],[窗體頂],[窗體寬],[窗體高],[向左偏移
],[向
偏移
])
SetWindowRgn(Me.Handle,
r,
True)
End
Sub
VB.NET沒(méi)用過(guò)
VB6的話用form.circle方法畫圓,圓的半徑和圓點(diǎn)用form.width或者form.height乘以比例數(shù)來(lái)得到,然后在form_resize事件中重畫圓就可以了
不知道和VB.NET差別大不大
當(dāng)前文章:vb.net圓形窗體 vb 窗體
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