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Create a Spirograph in PowerPoint Programattically

Friday, March 20, 2009
posted by Geetesh on Friday, March 20, 2009 IST



Note: If you don't know how to use macro snippets or scripts inside PowerPoint, look here...

This started with my Create Spirograph in PowerPoint tutorial -- and thanks to my friend Shyam Pillai who said I could do that so much faster programattically by using this code:

Sub CreateSpirograph()
Dim oShp As Shape
Dim I As Single

Const ROTATION_INCREMENT = 5 'Rotation Increment
Const ROTATION_MAX = 360 'Max rotation

'Select a shape on the slide and then run this
Set oShp = ActiveWindow.Selection.ShapeRange(1)

For I = ROTATION_INCREMENT To ROTATION_MAX Step ROTATION_INCREMENT
With oShp.Duplicate
.Rotation = I
.Left = oShp.Left
.Top = oShp.Top
End With
Next
End Sub

Remember you need to have some shape selected before you run this code. Also, Shyam adds that you can change the ROTATION_INCREMENT and ROTATION_MAX values to get different graphs.

Shyam Pillai is a Microsoft PowerPoint MVP, visit his site for many VBA snippets, free and commercial PowerPoint add-ins

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