vb.net圆形窗体 vb 窗体
VB.Net怎么做圆形窗体
设置Region属性:
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Dim path As New System.Drawing.Drawing2D.GraphicsPath
path.AddEllipse(0, 0, 400, 300)
Region = New Region(path)
VB 怎样实现圆角窗体?
VB.net
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中windows窗体控件如何画一个圆
VB.NET没用过
VB6的话用form.circle方法画圆,圆的半径和圆点用form.width或者form.height乘以比例数来得到,然后在form_resize事件中重画圆就可以了
不知道和VB.NET差别大不大
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