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Need help creating a class that draws circles on a picture box

Posted on 2002-04-26
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Last Modified: 2010-05-02
Please help me create a class that draws circles on a Picture Box.  The class should have a method called DrawCircle. If necessary, create properties.The User Interface will display circle(s) with different size and color indicated by user.
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Question by:Gmoney
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Accepted Solution

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gencross earned 100 total points
ID: 6972797
Paste this code into a new class module named Class1:

Public Sub DrawCircle(PicBox As PictureBox, X As Single, Y As Single, Radius As Single, Optional vColor)
   
   Dim iXO As Integer
   Dim iYO As Integer
   
   Dim iFirstX As Integer
   Dim iFirstY As Integer
   Dim iLastX As Integer
   Dim iLastY As Integer
   
   iFirstX = X
   iFirstY = Y
   iLastX = X
   iLastY = Y
   
   iX0 = (iFirstX + iLastX) / 2
   iY0 = (iFirstY + iLastY) / 2
   
   PicBox.Circle (iX0, iY0), Radius, vColor 'Form1.Picture1.ForeColor 'vbRed

End Sub

Paste this code in a form with a picture box named Picture1:

Private Sub Picture1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
   
    Dim objDraw As Class1
    Set objDraw = New Class1
   
    objDraw.DrawCircle Picture1, X, Y, 180, vbRed
   
End Sub

This code works fine.  If you need to add other parameters then add them to the call or you can convert the parameters to properties or public variables if you want, but I think this is the best solution.

Hope this helps.
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Author Comment

by:Gmoney
ID: 6974023
It works great, thanks for your help
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