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9.3

Using a form Handles in a different class

Asked by yo_daz_uk in Microsoft Visual Basic.Net

Tags: VB.Net

All,

VB.Net 2008

I have a form that uses the attached code snippet to draw the tabs vertically.

Now I am trying to be a good programmer and go more object oriented (which I sometimes struggle to see the benefit of in windows forms applications).  

What i want to do is make a new class with the snippet code in and call that class from the windows form class to handle the event.  

So something like ....

Class A
  sub verticalTab
    ....Code
  end sub
end Class A

My question is if I use the class as above how and where do i assign the Handles expression on the drawItem event on the wondows form class to use the one in my other class?

Thanks,

Daz



    
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Private Sub VerticalTabsDesign_DrawItem(ByVal sender As Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles VerticalTabsDesign.DrawItem
        ' Changes the colour and the alignment of the tab text
        Dim g As Graphics = e.Graphics
        Dim b As Brush
        Dim tp As TabPage = VerticalTabsDesign.TabPages(e.Index)
        Dim tr As Rectangle = VerticalTabsDesign.GetTabRect(e.Index)
 
        ' Sets the colour of the text and background for if the tab is selected or not
        If e.State = DrawItemState.Selected Then
            b = New SolidBrush(Color.AliceBlue)
            g.FillRectangle(Brushes.Blue, e.Bounds)
        Else
            b = New System.Drawing.SolidBrush(e.ForeColor)
            e.DrawBackground()
        End If
 
 
        Dim tf As New Font("Arial", 15, FontStyle.Bold, GraphicsUnit.Pixel)
        Dim sf As New StringFormat()
        sf.Alignment = StringAlignment.Center
        sf.LineAlignment = StringAlignment.Center
        g.DrawString(tp.Text, tf, b, tr, New StringFormat(sf))
 
    End Sub
[+][-]11/26/08 10:17 AM, ID: 23044302Accepted Solution

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About this solution

Zone: Microsoft Visual Basic.Net
Tags: VB.Net
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Solution Provided By: omegaomega
Participating Experts: 1
Solution Grade: A
 
 
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