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{description}
{excerpt}Sets or returns the size of the center hole of a doughnut chart as a percentage of the doughnut size.{excerpt}
{signature:C#}
 public int SizeOfCenterHole{ get; set; }
{signature}{signature:vb.net}
Public Property SizeOfCenterHole() As Integer
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This defaults to 50 when creating a new doughnut series.
If this is set to a value less than 10, it will be set to 10.
If this is set to a value greater than 90 it will be set to 90.

This property is linked for doughnut series in the same group. See [SettingsPieDoughnut|SettingsPieDoughnut] for more information on how linking works.
For series that are not doughnut series, setting this will have no effect and it will always return 0.
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