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How to create Rounded UserControl using Vb.Net

, 24 Nov 2011 CPOL
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There are so many articals on "How to create Rounded UserControls" with C# Code.But very few codes
are written in Vb.Net. So i am publishing this Vb.Net code to design Rounded UserControl which helps you to Dsign your Rounded Control.
 
Use following Code :

Imports System.Drawing.Drawing2D
 
Public Class UserControl1
    Private _radius As Int32 = 20     'Radius of the Corner Curve
    Private _opacity As Int32 = 125   'Opacity of the Control
    Private _backColor As System.Drawing.Color = Color.Black 'Back Color of Control

    Private Sub UserControl1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim rect As Rectangle = Me.ClientRectangle 'Drawing Rounded Rectangle
        rect.X = rect.X + 1
        rect.Y = rect.Y + 1
        rect.Width -= 2
        rect.Height -= 2
        Using bb As GraphicsPath = GetPath(rect, _radius)
            Using br As Brush = New SolidBrush(Color.FromArgb(_opacity, _backColor))
                e.Graphics.FillPath(br, bb)
            End Using
        End Using
    End Sub
    'Returns the GraphicsPath to Draw a RoundedRectangle
    Protected Function GetPath(ByVal rc As Rectangle, ByVal r As Int32) As GraphicsPath
        Dim x As Int32 = rc.X, y As Int32 = rc.Y, w As Int32 = rc.Width, h As Int32 = rc.Height
        r = r << 1
        Dim path As GraphicsPath = New GraphicsPath()
        If r > 0 Then
            If (r > h) Then r = h
            If (r > w) Then r = w
            path.AddArc(x, y, r, r, 180, 90)
            path.AddArc(x + w - r, y, r, r, 270, 90)
            path.AddArc(x + w - r, y + h - r, r, r, 0, 90)
            path.AddArc(x, y + h - r, r, r, 90, 90)
            path.CloseFigure()
        Else
            path.AddRectangle(rc)
        End If
        Return path
    End Function
End Class

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Manoj K Bhoir
Software Developer
India India
It always seems good to hear about me, but the thing I do is I code. I'm Interested in Designing Windows Based Application, Web Applications and building Mobile Applications. Currently restricting it to Android 4.0 applications, building Internet Based Applications using ASP.NET and contributing to bring the student community to a position which will help technology to reach the greatest heights ever. A very Big fan of Microsoft & Android..!!
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Comments and Discussions

 
GeneralReason for my vote of 3 How about the power of client side s... PinmemberEduard Lu30-Nov-11 18:16 
GeneralRe: The above source code doesn't appear to be web based. PinmemberCtznkane12-Dec-11 7:21 
The above source code doesn't appear to be web based.
GeneralI completely disagree with SAKryukov.and for your kind infor... PinmemberManoj K Bhoir27-Nov-11 17:32 
GeneralReason for my vote of 1 This is fake Rounded control, which ... PinmvpSAKryukov26-Nov-11 13:12 

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