Returns or sets the beginning value of a bulleted list when the Type property of the BulletFormat object is set to ppBulletNumbered. The value must be in the range of 1 to 32767. Read/write Integer.
Example
This example sets the bullets in the text box specified by shape two on slide one to start with the number five.
With ActivePresentation.Slides(1).Shapes(2).TextFrame
With .TextRange.ParagraphFormat.Bullet
.Type = ppBulletNumbered
.StartValue = 5
End With
End With