VB 怎样实现圆角窗体？

VB.net

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示例：

1.

窗体设置

边框模式

2.代码

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重绘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参数([窗体左],[窗体顶],[窗体宽],[窗体高],[向左偏移

],[向

偏移

])

SetWindowRgn(Me.Handle,

r,

True)

End

Sub

VB.Net怎么做圆形窗体

设置Region属性：

Dim path As New System.Drawing.Drawing2D.GraphicsPath

path.AddEllipse(0, 0, 400, 300)

Region = New Region(path)

如何在vb.net中创建圆角窗体

如下所示：

Private Sub Type(ByVal sender As Control, ByVal p_1 As Integer, ByVal p_2 As Double)

Dim oPath As New Drawing2D.GraphicsPath()

oPath.AddClosedCurve(New Point() {New Point(0, sender.Height / p_1), New Point(sender.Width / p_1, 0), New Point(sender.Width - sender.Width / p_1, 0), New Point(sender.Width, sender.Height / p_1), New Point(sender.Width, sender.Height - sender.Height / p_1), New Point(sender.Width - sender.Width / p_1, sender.Height), _

New Point(sender.Width / p_1, sender.Height), New Point(0, sender.Height - sender.Height / p_1)}, CSng(p_2))

sender.Region = New Region(oPath)

End Sub

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Type(Me, 20, 0.1)

End Sub

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