I made a custom runded rectangle usercontrol. I used a function i found on
the internet. the function works fine(see "GetRoundRect" below).
I use the fullowing code to make my usercontrol rounded....
************************************************** ***
Protected Overrides Sub OnPaint(ByVal e As
System.Windows.Forms.PaintEventArgs)
Dim x1 As Integer = 0
Dim x2 As Integer = Me.ClientSize.Width
Dim iHeight As Int32 = Me.Height
Dim iWidth As Int32 = Me.Width
If bCurveSided Then
Dim eg As New ExtendedGraphics(e.Graphics)
Dim rf As New RectangleF()
With rf
.Width = iWidth
.Height = iHeight
.X = 1
.Y = 0
End With
Me.Region = New Region(eg.GetRoundedRect(rf, 5))
End If
End Sub
Public Function GetRoundedRect(ByVal baseRect As RectangleF, ByVal
radius As Single) As GraphicsPath
If radius <= 0 Then
Dim mPath As GraphicsPath = New GraphicsPath()
mPath.AddRectangle(baseRect)
mPath.CloseFigure()
Return mPath
End If
If radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2 Then
Return GetCapsule(baseRect)
End If
Dim diameter As Single = radius * 2
Dim sizeF As SizeF = New SizeF(diameter, diameter)
Dim arc As RectangleF = New RectangleF(baseRect.Location, sizeF)
Dim path As GraphicsPath = New GraphicsPath()
path.AddArc(arc, 180, 90)
arc.X = baseRect.Right - diameter
path.AddArc(arc, 270, 90)
arc.Y = baseRect.Bottom - diameter
path.AddArc(arc, 0, 90)
arc.X = baseRect.Left
path.AddArc(arc, 90, 90)
path.CloseFigure()
Return path
End Function
**************************************
My question is...why is it when i use my custom rounded usercontrol and put
some textboxes on it. The controls on my usercontrol does not redraw
properly? i have to manualy tell my usercontrol to repaint itself. like....
Me.Refresh. Plrease help! 2 1950
What are ExtendedGraphics() and GetCapsule()?
Why not:
Me.Region = New Region(GetRoundedRect(rf, 5))
and what happens if you add the following to your OnPaint method?
MyBase.OnPaint(e)
I would recommend setting the region in the usercontrols OnResize method
rather than in the OnPaint method.
--
Mick Doherty http://dotnetrix.co.uk/nothing.html
"Jose Michael Meo R. Barrido" <mi**@rdmsinc.net> wrote in message
news:e4****************@TK2MSFTNGP11.phx.gbl... I made a custom runded rectangle usercontrol. I used a function i found on the internet. the function works fine(see "GetRoundRect" below). I use the fullowing code to make my usercontrol rounded.... ************************************************** *** Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs) Dim x1 As Integer = 0 Dim x2 As Integer = Me.ClientSize.Width Dim iHeight As Int32 = Me.Height Dim iWidth As Int32 = Me.Width If bCurveSided Then Dim eg As New ExtendedGraphics(e.Graphics) Dim rf As New RectangleF() With rf .Width = iWidth .Height = iHeight .X = 1 .Y = 0 End With Me.Region = New Region(eg.GetRoundedRect(rf, 5)) End If End Sub
Public Function GetRoundedRect(ByVal baseRect As RectangleF, ByVal radius As Single) As GraphicsPath If radius <= 0 Then Dim mPath As GraphicsPath = New GraphicsPath() mPath.AddRectangle(baseRect) mPath.CloseFigure() Return mPath End If If radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2 Then Return GetCapsule(baseRect) End If Dim diameter As Single = radius * 2 Dim sizeF As SizeF = New SizeF(diameter, diameter) Dim arc As RectangleF = New RectangleF(baseRect.Location, sizeF) Dim path As GraphicsPath = New GraphicsPath() path.AddArc(arc, 180, 90) arc.X = baseRect.Right - diameter path.AddArc(arc, 270, 90) arc.Y = baseRect.Bottom - diameter path.AddArc(arc, 0, 90) arc.X = baseRect.Left path.AddArc(arc, 90, 90) path.CloseFigure() Return path End Function **************************************
My question is...why is it when i use my custom rounded usercontrol and put some textboxes on it. The controls on my usercontrol does not redraw properly? i have to manualy tell my usercontrol to repaint itself. like.... Me.Refresh. Plrease help!
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system ( http://www.grisoft.com).
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thanks for your advice. i'm gonna try that :-)
"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in
message news:O2****************@TK2MSFTNGP10.phx.gbl... What are ExtendedGraphics() and GetCapsule()?
Why not: Me.Region = New Region(GetRoundedRect(rf, 5))
and what happens if you add the following to your OnPaint method? MyBase.OnPaint(e)
I would recommend setting the region in the usercontrols OnResize method rather than in the OnPaint method.
-- Mick Doherty http://dotnetrix.co.uk/nothing.html
"Jose Michael Meo R. Barrido" <mi**@rdmsinc.net> wrote in message news:e4****************@TK2MSFTNGP11.phx.gbl...I made a custom runded rectangle usercontrol. I used a function i found on the internet. the function works fine(see "GetRoundRect" below). I use the fullowing code to make my usercontrol rounded.... ************************************************** *** Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs) Dim x1 As Integer = 0 Dim x2 As Integer = Me.ClientSize.Width Dim iHeight As Int32 = Me.Height Dim iWidth As Int32 = Me.Width If bCurveSided Then Dim eg As New ExtendedGraphics(e.Graphics) Dim rf As New RectangleF() With rf .Width = iWidth .Height = iHeight .X = 1 .Y = 0 End With Me.Region = New Region(eg.GetRoundedRect(rf, 5)) End If End Sub
Public Function GetRoundedRect(ByVal baseRect As RectangleF, ByVal radius As Single) As GraphicsPath If radius <= 0 Then Dim mPath As GraphicsPath = New GraphicsPath() mPath.AddRectangle(baseRect) mPath.CloseFigure() Return mPath End If If radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2 Then Return GetCapsule(baseRect) End If Dim diameter As Single = radius * 2 Dim sizeF As SizeF = New SizeF(diameter, diameter) Dim arc As RectangleF = New RectangleF(baseRect.Location, sizeF) Dim path As GraphicsPath = New GraphicsPath() path.AddArc(arc, 180, 90) arc.X = baseRect.Right - diameter path.AddArc(arc, 270, 90) arc.Y = baseRect.Bottom - diameter path.AddArc(arc, 0, 90) arc.X = baseRect.Left path.AddArc(arc, 90, 90) path.CloseFigure() Return path End Function **************************************
My question is...why is it when i use my custom rounded usercontrol and put some textboxes on it. The controls on my usercontrol does not redraw properly? i have to manualy tell my usercontrol to repaint itself. like.... Me.Refresh. Plrease help!
--- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.802 / Virus Database: 545 - Release Date: 26/11/2004 This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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